研究業績

論文 | 著書 | 解説 | 講演・学会発表 | 研究プロジェクト | 特許 | 受賞

論文(国際誌)(引用回数トップ10はこちら


2020


[154] R. Das,*, P. Solís-Fernández, D. Breite, A. Prager, A. Lotnyk, A. Schulze,* and H. Ago
"High flux and adsorption based non-functionalized hexagonal boron nitride lamellar membrane for ultrafast water purification"
Chem. Eng. J., DOI: 10.1016/j.cej.2020.127721 (2020) (link ).



[153] D. Inukai, T. Koyama, K. Kawahara, H. Ago, H. Kishida*
"Electronic states of electrochemically doped single-layer graphene probed through Fano resonance effects in Raman scattering"
J. Phys. Chem. C, 124(48), 26428-26433 (2020) (link).



[152] U. Erkılıç, H. Ago*
"Type-I heterostructure and improved phase stability of formamidinium lead iodide perovskite grown on WS2"
Evergreen, 7(3), 323-328 (2020) (link ).



[151] Y. Uchida, K. Kawahara, S. Fukamachi, H. Ago*
"Chemical Vapor deposition growth of uniform multilayer hexagonal boron nitride driven by structural transformation of metal thin film"
ACS Appl. Electron. Mater., 2(10), 3270-3278 (2020) (link ).
 

[150] U. Erkılıç, H. G. Ji, E. Nishibori, H. Ago*
"One-step vapour phase growth of two-dimensional formamidinium-based perovskite and its hot carrier dynamics"
Phys. Chem. Chem. Phys., 22(37), 21512-21519 (2020) (link ).



[149] P. Solís-Fernández,* Y. Terao, K. Kawahara, W. Nishiyama, T. Uwanno, Y.-C. Li, K. Yamamoto, H. Nakashima, K. Nagashio, H. Hibino, K. Suenaga, H. Ago*
"Isothermal Growth and Stacking Evolution in Highly Uniform Bernal-Stacked Bilayer Graphene"
ACS Nano, 14(6), 6834-6844 (2020) (link ).



[148] S. Hirokawa, H. Teshima, P. Solís-Fernández, H. Ago, Y. Tomo, Q. Li, K. Takahashi*
"Nanoscale Bubble Dynamics Induced by Damage of Graphene Liquid Cells"
ACS Omega, 5, 11180-11185 (2020). (link ).



[147] Y.-C. Lin*, H. G. Ji, L.-J. Chang, Y.-P. Chang, Z. Liu, G.-D. Lee, P.-W. Chiu, H. Ago, K. Suenaga*
"Scanning Moiré Fringe Method: A Superior Approach to Perceive Defects, Interfaces, and Distortion in 2D Materials"
ACS Nano, 15, 6034-6042 (2020) (link ).



[146] A. S. Aji, R. Nishi, H. Ago, Y. Ohno*
"High output voltage generation of over 5 V from liquid motion on single-layer MoS2"
Nano Energy, 68, 104370 (2020). (link ).
Press release: Kyushu Univ. and Nagoya Univ.




2019


[145] U. Erkılıç, P. Solís-Fernández, H. G. Ji, K. Shinokita, Y.-C. Lin, M. Maruyama, K. Suenaga, S. Okada, K. Matsuda, H. Ago*
"Vapor phase selective growth of two-dimensional perovskite/WS2 heterostructures for optoelectronic applications".
ACS Appl. Mater. Interfaces, 11(43), 40503-40511 (2019). (link ).



[144] H. G. Ji, P. Solís-Fernández, D. Yoshimura, M. Maruyama, T. Endo, Y. Miyata, S. Okada, H. Ago*
"Chemically tuned p- and n-type WSe2 monolayers with high carrier mobility for advanced electronics"
Adv. Mater., 31(42), 1903613 (2019). (link ).

 

[143] A. B. Taslim, H. Nakajima, Y.-C. Lin, Y. Uchida, K. Kawahara, T. Okazaki, K. Suenaga, H. Hibino, H. Ago*
"Synthesis of sub-millimeter single-crystal grains of aligned hexagonal boron nitride on epitaxial Ni film"
Nanoscale, 11, 14668-14675 (2019) (link ).



[142] P. Gomasang, K. Kawahara, K. Yasuraoka, H. Ago, S. Okada, K. Ueno*
"A novel graphene barrier against moisture by multiple stacking large-grain graphene"
Sci. Rep., 9, 3777 (2019) (link ).



[141] H. Nakajima, T. Morimoto*, Y. Okigawa, T. Yamada, Y. Ikuta, K. Kawahara, H. Ago, T. Okazaki*
"Imaging of local structures affecting electrical transport properties of large graphene sheets by lock-in thermography"
Sci. Adv., 5(2), eaau3407 (2019) (link ).
Press release: Kyushu Univ. and AIST



[140] K. Kanahashi, N. Tanaka, Y. Shoji, M. Maruyama, I. Jeon, K. Kawahara, M. Ishihara, M. Hasegawa, H. Ohta, H. Ago, Y. Matsuo, S. Okada, T. Fukushima, T. Takenobu*
"Formation of environmentally stable hole-doped graphene films: Instantaneous and high-density carrier doping by a boron-based oxidant"
npj 2D Mater. and Applications, 3, 7 (2019) (link ).




2018


[139] H. G. Ji, M. Maruyama, A. Sukma Aji, S. Okada, K. Matsuda, H. Ago*
"Van der Waals interaction-induced photoluminescence weakening and multilayer growth in epitaxially aligned WS2"
Phys. Chem. Chem. Phys., 20, 29790-29797 (2018) (link ) .



[138] K. Suenaga, H. G. Ji, Y.-C. Lin, T. Vincent, M. Maruyama, A. Sukma Aji, Y. Shiratsuchi, D. Ding, K. Kawahara, S. Okada, V. Panchal, O. Kazanova, H. Hibino, K. Suenaga, H. Ago*
"Surface-mediated aligned growth of monolayer MoS2 and in-plane heterostructures with graphene on sapphire"
ACS Nano, 12, 10032-10044 (2018) (link ) .



[137] H. Imaeda,T Koyama,* H. Kishida, K. Kawahara, H. Ago, R. Sakakibara, W. Norimatsu, T. Terasawa, J. Bao, M. Kusunoki
"Acceleration of photocarrier relaxation in graphene achieved by epitaxial growth: ultrafast photoluminescence decay of monolayer graphene on SiC"
J. Phys. Chem. C, 122(33), 19273-19279 (2018) (link ) .



[136] Y. Uchida, S. Nakandakari, K. Kawahara, S. Yamasaki, M. Mitsuhara, H. Ago*
"Controlled growth of large-area uniform multilayer hexagonal boron nitride as an effective 2D substrate"
ACS Nano, 12(6), 6236-6244 (2018) (link ) .



[135] Y. Miyoshi, Y. Fukazawa, Y. Amasaka, R. Reckmann, T. Yokoi, K. Ishida, K. Kawahara, H. Ago, H. Maki*
"High-speed and on-chip graphene blackbody emitters for optical communications by remote heat transfer"
Nature Commun., 1279 (2018) (link ) .



[134] P. Gomasang, T. Abe, K. Kawahara, Y. Wasai, N. Nabatova-Gabain, N. T. Cuong, H. Ago, S. Okada, K. Ueno*
"Moisture barrier properties of single-layer graphene deposited on Cu films for Cu metallization"
Jpn. J. Appl. Phys, 57, 04FC08 (2018) (link ) .

[133] M. Tsuji,* K. Matsuda, M. Tanaka, S. Kuboyama, K. Uto, N. Wada, H. Kawazumi, T. Tsuji, H. Ago, J. Hayashi
"Enhanced photocatalytic degradation of methyl orange by Au/TiO2 nanoparticles under neutral and acidic solutions"
ChemistySelect, 3(5), 1432-1438 (2018) (link ) .

[132] H. G. Ji, Y.-C. Lin, K. Nagashio, M. Maruyama, P. Solís Fernández, A. Sukma Aji, V. Pancahl, S. Okada, K. Suenaga, H. Ago*
"Hydrogen-assisted epitaxial growth of monolayer tungsten disulfide and seamless grain stitching"
Chem. Mater., 30(2), 403-411 (2018) (link ) .



[131] A. Sukma Aji, M. Izumoto, K. Suenaga, K. Yamamoto, H. Nakashima, H. Ago*
"Two-step synthesis and characterizations of vertically stacked SnS-WS2 and SnS-MoS2 p-n heterojunctions"
Phys. Chem. Chem. Phys., 20, 889-897 (2018) (link ) .



[130] D. Ding, H. Hibino, H. Ago*
"Grain boundaries and gas barrier property of graphene revealed by dark-field optical microscopy"
J. Phys. Chem. C, 122(1), 902-911 (2018) (link ) .




2017



[129] A. Sukma Aji, P. Solís Fernández, H. Ji, K. Fukuda, H. Ago*
"High mobility WS2 transistors realized by multi-layer graphene electrodes and application to high responsivity flexible photodetector"
Adv. Funct. Mater., 27, 1703448 (2017) (link ) .


[128] H. Kinoshita, I. Jeon, M. Maruyama, K. Kawahara, Y. Terao, D. Ding, R. Matsumoto, Y. Matsuo, S. Okada, H. Ago*
"Highly conductive and transparent large-area bilayer graphene realized by MoCl5 intercalation"
Adv. Mater., 29, 1702141 (2017) (link ) .
  

[127] P. Solís Fernández, M. A. Bissett, H. Ago*
"Synthesis, structure and applications of graphene-based 2D heterostructures"
Chem. Soc. Rev., 46(15), 4572-4613 (2017.7). (link )
Highly cited: one of the top 5% of authors, highly cited in the Royal Society of Chemisty journals in 2019



[126] D. Ding, P. Solís Fernández, R. Mohamad Yunus, H. Hibino, H. Ago*
"Behavior and role of superficial oxygen in Cu for the growth of large single-crystalline graphene"
Appl. Surf. Sci., 408, 142–149 (2017.6). (link )


[125] Y. Uchida, T. Iwaizako, S. Mizuno, M. Tsuji, H. Ago*
"Epitaxial chemical vapour deposition growth of monolayer hexagonal boron nitride on Cu(111)/sapphire substrate"
Phys. Chem. Chem. Phys., 19, 8230-8235 (2017). (link )





2016

 

 



[124] D. Ding, P. Solís Fernández, H. Hibino, H. Ago*
"Spatially-controlled nucleation of single-crystal graphene on Cu assisted by stacked Ni"
ACS Nano, 10(12), 11196-11204 (2016.12). (link )



[123] H. Wang, K. Kurata, T. Fukunaga, H. Ago, H. Takamatsu,* X. Zhang,* T. Ikuta, K. Takahashi, T. Nishiyama, T. Takada
"A general method of fabricating free-standing, monolayer grapheneelectronic device and its property characterization"
Sens. Actuators A, 247, 24-29 (2016) (link )

[122] N. Fujita, D. Matsumoto, Y. Sakurai, K. Kawahara, H. Ago, T. Takenobu, K. Marumoto*
"Direct observation of electrically induced Pauli paramagnetism in single-layer graphene using ESR spectroscopy"
Sci. Rep., 6, 34966 (2016) (link )


[121] M. Tsuji,* D. Shimamoto, K. Uto, M. Hattori, H. Ago
"Enhancement of catalytic activity of AgPd@Pd/TiO2 nanoparticles under UV & visible photoirradiation"
J. Mater. Chem. A, 4, 14649-14656 (2016) (link )

[120] H. Wang, K. Kurata, T. Fukunaga, H. Takamatsu,*, X. Zhang,*, T. Ikuta, K. Takahashi, T. Nishiyama, H. Ago, Y. Takata
"Simultaneous measurement of electrical and thermal conductivities of suspended monolayer graphene"
J. Appl. Phys., 119(24), 244306 (2016.6) (link )


[119] Y. Takesaki, K. Kawahara, H. Hibino, S. Okada, M. Tsuji, H. Ago*
"Highly uniform bilayer graphene on epitaxial Cu-Ni(111) alloy"
Chem. Mater., 28(13), 4583-4592 (2016) (link )
Selected as ACS Editors' Choice (to ACS website )
Listed as a Most Download Article (#1) on June 6, 2016.



[118] T. Koyama,* K. Mizutani, H. Ago, H. Kishida
"Two-step excitation triggered by one-photon absorption on linear dispersion in monolayer graphene"
J. Phys. Chem. C, 120, 11225-11229 (2016.5). (link )


[117] S. Dushenko, H. Ago, K. Kawahara, T. Tsuda, T. Takenobu, T. Shinjo, Y. Ando, M. Shiraishi*
"Gate-tunable spin-charge conversion and a role of spin-orbit interaction in graphene"
Phys. Rev. Lett., 116(16), 166102 (2016.4). (link )


[116] H. Ago,* S. Fukamachi, H. Endo, P. Solís Fernández, R. M. Yunus, Y. Uchida, V. Panchal, O. Kazakova, M. Tsuji
"Visualization of grain structure and boundaries of polycrystalline graphene and two-dimensional materials by epitaxial growth of transition metal dichalcogenides"
ACS Nano, 10(3), 3233-3240 (2016.3). (link )



[115] H. Wang, K. Kurata, T. Fukunaga, H. Takamatsu,*, X. Zhang,*, T. Ikuta, K. Takahashi, T. Nishiyama, H. Ago, Y. Takata
"In-situ measurement of the heat transport in defectengineered free-standing single-layer graphene"
Sci. Rep., 6, 21823 (2016) .(link )

[114] P. Solís Fernández, S. Okada, T. Sato, M. Tsuji, H. Ago*
"Gate-tunable Dirac point of molecular doped graphene"
ACS Nano, 10(2), 2930–2939 (2016). (link )



[113] H. Wang, K. Kurata, T. Fukunaga, H. Takamatsu,* X. Zhang,* T. Ikuta, K. Takahashi, H. Ago, Y. Takata
"A simple method for fabricating free-standing large area fluorinated single-layer graphene with size-tunable nanopores"
Carbon, 99, 564-570 (2016). (link )



2015



[112] R. Mohamad Yunus, H. Endo, M. Tsuji, H. Ago*
"Vertical heterostructure of MoS2 and graphene nanoribbons by two-step chemical vapor deposition for high-gain photodetectors"
Phys. Chem. Chem. Phys., 17, 25210-25215 (2015.9). (link )


[111] H. Ago,* Y. Ohta, H. Hibino D. Yoshimura, R. Takizawa, Y. Uchida, M. Tsuji, T. Okajima, H. Mitani, S. Mizuno
"Growth dynamics of single-layer graphene on epitaxial Cu surfaces"
Chem. Mater., 27(15), 5377-5385 (2015.8). (link )


[110] M. Hattori, D. Shimamoto, H. Ago, M. Tsuji*
"AgPd@Pd/TiO2 nanocatalyst synthesis by microwave heating in aqueous solution for efficient hydrogen production from formic acid"
J. Mater. Chem. A, 3(20), 10666-10670 (2015). (link )

[109] H. Ago,* H. Endo, P. Solís Fernández, R. Takizawa, Y. Ohta, Y. Fujita, K. Yamamoto, M. Tsuji
"Controlled van der Waals Epitaxy of Monolayer MoS2 Triangular Domains on Graphene"
ACS Appl. Mater. Interfaces, 7(9), 5265-5273 (2015.3). (link )



[108] Q.-Y. Li, K. Takahashi, H. Ago, X. Zhang,* T. Ikuta, T. Nishiyama, K. Kawahara
"Temperature dependent thermal conductivity of a suspended submicron graphene ribbon"
J. Appl. Phys., 117, 065102 (2015.2). (link ).

[107] P. Solís Fernández, M. A. Bissett, M. Tsuji, H. Ago*
"Tunable doping of graphene nanoribbon arrays by chemical functionalization"
Nanoscale, 7, 3572-3580 (2015.2). (link )

 

[106] T. Kawasaki, K. Sugawara, A. Dobroiu, T. Eto, Y. Kurita, K. Kojima, Y. Yabe, H. Sugiyama, T. Watanabe, T. Suemitsu, Victor Ryzhii, K. Iwatsuki*, T. Otsuji,* Y. Fukada, J. Kani, J. Terada, N. Yoshimoto, K. Kawahara, H. Ago
"Graphene-channel FETs for photonic frequency double-mixing conversion over the sub-THz band"
Solid-State Electron., 103, 216-221 (2015.1). (link )


2014




  • [105] M. A. Bissett,* Y. Takesaki, M. Tsuji, H. Ago
    "Increased chemical reactivity achieved by asymmetrical 'Janus' functionalisation of graphene"
    RSC Advances, 4, 52215-52219 (2014.10). (link )


  • [104] R. Ohshima, A. Sakai, Y. Ando, T. Shinjo, K. Kawahara, H. Ago, S. Shiraishi*
    "Observation of spin-charge conversion in CVD-grown single-layer graphene"
    Appl. Phys. Lett., 105, 162410 (2014.10).(link )


  • [103] R. Rozada, P. Solís Fernández, J. I. Paredes*, H. Ago, A. Martínez-Alonso, J. M. D. Tascón
    "Controlled generation of atomic vacancies in chemical vapor deposition graphene by microwave oxygen plasma"
    Carbon
    , 79, 664-669 (2014.11).(link )


  • [102] H. Ago*, Y. Kayo, P. Solis Fernandez, K. Yoshida, M. Tsuji 
    "Synthesis of high-density arrays of graphene nanoribbons by anisotropic metal-assisted etching"
    Carbon, 78, 339-346 (2014.11). (link )


  • [101] R. Mohamad Yunus, M. Miyashita, P. Solis Fernandez, M. Tsuji, H. Hibino, H. Ago*
    "Formation of oriented graphene nanoribbons over heteroepitaxial Cu surfaces by chemical vapor deposition"
    Chem. Mater., 26(18), 5215-5222 (2014.9). (link )


  • [100] Y. Ogawa, K. Komatsu, K. Kawahara, M. Tsuji, K. Tsukagoshi,* H. Ago*
    "Structure and transport properties of the interface between CVD-grown graphene domains"
    Nanoscale, 6(13), 7288-7294 (2014.7). (link )


    [99] B. Hu,* Z. Wei,* H. Ago, Y, Jin, M. Xia, Z. Luo Q. Pan, Y. Liu
    "Effects of substrate and transfer on CVD-grown graphene over sapphire-induced Cu films"
    Sci. China. Chem., 57(6), 895-901 (2014.6). (link )

  • [98] M. A. Bissett,* M. Tsuji, H. Ago*
    "Strain engineering the properties of graphene and other two-dimensional crystals"
    Phys. Chem. Chem. Phys. (Perspective), 16(23), 11124-11138 (2014.6). (link )


2013


  • [97] H. Ago*, I. Tanaka, Y. Ogawa, R. M. Yunus, M. Tsuji, H. Hibino
    "Lattice-oriented catalytic growth of graphene nanoribbons on heteroepitaxial nickel films"
    ACS Nano, 7(12), 10825-10833 (2013.12). (link )
  • [96] M. A. Bissett, S. Konabe, S. Okada, M. Tsuji, H. Ago*
    "Enhanced chemical reactivity of graphene induced by mechanical strain"
    ACS Nano, 7(11), 10335-10343 (2013.11). (link )
  • [95] Y. Ogawa, T. Niu, S. L .Wong, M. Tsuji, A. W. S. Wee, W. Chen*, H. Ago*
    "Self-assembly of polar phthalocyanine molecules on graphene grown by chemical vapor deposition"
    J. Phys. Chem. C, 117(42), 21849-21855 (2013.10). (link )
    selected as cover
  • [94] P. Solis Fernandez, K. Yoshida, Y. Ogawa, M. Tsuji, H. Ago*
    "Dense arrays of highly aligned graphene nanoribbons produced by substrate-controlled metal-assisted etching of graphene"
    Adv. Mater., 25(45), 6562-6568 (2013.12). (link )
    selected as cover
  • [93] H. Ago*, K. Kawahara, Y. Ogawa, S. Tanoue, M. A. Bissett, M. Tsuji, H. Sakaguchi, R. J. Koch, F. Fromm, T. Seyller, K. Komatsu, K. Tsukagoshi
    "Epitaxial growth and electronic properties of large hexagonal graphene domains on Cu(111) thin film"
    Appl. Phys. Express, 6(7), 075101-1-4 (2013.7). (link )
    Selected as SPOTLIGHT  of Appl. Phys. Express
    Top download article in August 2013 (link )
    Received 2014 JSAP Paper Award (to JSAP website )
  • [92] X. Hu, Y. Zhang,* H. Ago, H. Zhou, X. Li, L. Fan, B.Cai, X. Li, M. Zhong, K. Wang, D. Wu, H. Zhu*
    "Ultra-fast synthesis of graphene by melt spinning"
    Carbon, 61, 299-304 (2013.9). (link )
  • [91] W. Ge, K. Kawahara, M. Tsuji, H. Ago*
    "Large-scale synthesis of NbS2 nanosheets with controlled orientation on graphene by ambient pressure CVD"
    Nanoscale, 5(13), 5773-5778 (2013.7). (link )
    selected as cover
  • [90] Z. Tang, E. Shikoh, H. Ago, K. Kawahara, Y. Ando, T. Shinjo, M. Shiraishi*
    "Dynamically-generated pure spin current in single-layer graphene"
    Phys. Rev. B (Rapid Communication), 87(14), 140401 (2013.4). (link )
    Highlight, Selected as Editor's Suggestions
  • [89] T. Koyama,* Y. Ito, K. Yoshida, M. Tsuji, H. Ago, H. Kishida, A. Nakamura
    "Near-infrared photoluminescence in the femtosecond time region in monolayer graphene"
    ACS Nano, 7(3), 2335-2443 (2013.3). (link )
  • [88] M. A. Bissett, M. Tsuji, H. Ago*
    "Mechanical strain of chemically functionalized chemical vapor deposition grown graphene"
    J. Phys. Chem. C, 117(6), 3152-3159 (2013.2). (link )

2012

  • [87] M. A. Bissett, W. Izumida, R. Saito, H. Ago*
    "Effect of domain boundaries on the Raman spectra of mechanically strained graphene"
    ACS Nano
    , 6(11), 10229-10238 (2012.10). (link )
  • [86] H. Ago*, Y. Ogawa, M. Tsuji, S. Mizuno, H. Hibino
    "Catalytic growth of graphene: towards large-area single-crystalline graphene"
    J. Phys. Chem. Lett. (Perspective), 3(16), 2228-2236 (2012.8). (link
    invited review / selected as cover / perspective video
    One of top most read articles in Q3 2012
  • [85] H. Ago*, Y. Ito, M. Tsuji, K. Ikeda
    "Step-templated CVD growth of aligned graphene nanoribbons supported by single-layer graphene film"
    Nanoscale, 4(16), 5178-5182 (2012.8). (link )
  • [84] C. M. Orofeo, H. Hibino, K. Kawahara, Y. Ogawa, M. Tsuji, K. Ikeda, S. Mizuno, H. Ago*
    "Influence of Cu metal on the domain structure and carrier mobility in single-layer graphene"
    Carbon, 50(6), 2189-2196 (2012.6). (link )
  • [83] H. Ago,* Y. Kayo, M. Tsuji
    "Growth of horizontally-aligned single-walled carbon nanotubes on sapphire surface by needle-scratching method"
    Jpn. J. Appl. Phys., 51(4), 04DN02-1-4 (2012.4). (link )
  • [82] Y. Ogawa, B. Hu, C. M. Orofeo, M. Tsuji, K. Ikeda, S. Mizuno, H. Hibino, H. Ago*
    "Domain structure and boundary in single-layer graphene grown on Cu (111) and Cu (100) films"
    J. Phys. Chem. Lett., 3(2), 219-226 (2012.1). (link )
  • [81] B. Hu,* H. Ago, C. M. Orofeo, Y. Ogawa, M. Tsuji
    "On the nucleation of graphene in chemical vapor deposition"
    New J. Chem., 36(1), 73-76 (2012.1). (link )
  • [80] B. Hu, H. Ago,* Y. Ito, K. Kawahara, M. Tsuji, E. Magome, K. Sumitani, N. Mizuta, K. Ikeda, S. Mizuno
    "Epitaxial growth of large-area single-layer graphene over Cu(111)/sapphire by atmospheric pressure CVD"
    Carbon, 50(1), 57-65 (2012.1). (link )
    Selected as One of Most Downloaded Carbon Articles  (from 2011/11-2012/1)

2011

  • [79] H. Ago,* T. Ayagaki, Y. Ogawa, M. Tsuji
    "Ultra-high vacuum-assisted control of metal nanoparticles for horizontally-aligned single-walled carbon nanotubes with extraordinary uniform diameters"
    J. Phys. Chem. C, 115 (27), 13247-13253 (2011.7).
  • [78] C. M. Orofeo, H. Ago,* B. Hu, M. Tsuji
    "Synthesis of large-area, homogeneous, single layer graphene by annealing amorphous carbon on Co and Ni"
    Nano Res., 4(6), 531-540 (2011.6).
  • [77] H. Ago,* Y. Nakamura, Y. Ogawa, M. Tsuji
    "Combinatorial catalyst approach for high-density growth of horizontally aligned single-walled carbon nanotubes on sapphire"
    Carbon, 49(1), 176-186 (2011.1).

2010



  • [76] H. Ago,* Y. Ito, N. Mizuta, K. Yoshida, B. Hu, C. M. Orofeo, M. Tsuji, K. Ikeda, S. Mizuno
    "Epitaxial chemical vapor deposition growth of single-layer graphene over cobalt film crystallized on sapphire"
    ACS Nano, 4(12), 7407-7414 (2010.12).
  • [75] C. M. Orofeo, H. Ago, N. Yoshihara, M. Tsuji
    "Methods to horizontally align single-walled carbon nanotubes on amorphous substrate"
    J. Novel Carbon Resourse Sci., 2, 36-40 (2010.9).
  • [74] Y. Ogawa, H. Ago,* M. Tsuji
    "Epitaxial growth of faceted Co nanoparticles on sapphire surfaces"
    Chem. Lett., 39(9), 964-965 (2010.9).
  • [73] H. Ago,* T. Nishi, K. Imamoto, N. Ishigami, M. Tsuji, T. Ikuta, K. Takahashi
    "Orthogonal growth of horizontally-aligned single-walled carbon nanotube arrays"
    J. Phys. Chem. C, 114(30), 12925-12930 (2010.8)./ selected as cover
  • [72] C. M. Orofeo, H. Ago,* T. Ikuta, K. Takahashi, M. Tsuji
    "Growth of horizontally aligned single-walled carbon nanotubes on anisotropically etched silicon substrate"
    Nanoscale, 2(9), 1708-1714 (2010.9).
  • [71] J. Onoda, S. Mizuno,* H. Ago
    "STEM observation of tungsten tips sharpened by field-assisted oxygen etching"
    Surf. Sci., 604(13-14), 1094-1099 (2010.7).
  • [70] H. Ago,* I. Tanaka, C. M. Orofeo, M. Tsuji, K. Ikeda
    "Patterned growth of graphene over epitaxial catalyst"
    Small, 6(11), 1226-1233 (2010.6)./ selected as cover
  • [69] H. Ago,* R. Ohdo, M. Tsuji, T. Ikuta, K. Takahashi
    "Effective patterning of metal nanoparticles on sapphire surface for aligned growth of single-walled carbon nanotubes"
    J. Nanosci. Nanotech., 10(6), 3867-3872 (2010.6).
  • [68] B. Hu, H. Ago,* N. Yoshihara, M. Tsuji
    "Effects of water vapor on diameter distribution of SWNTs grown over Fe/MgO based catalysts"
    J. Phys. Chem. C, 114(9), 3850-3856 (2010.3).

2009

  • [67] H. Ago,* C. M. Orofeo, N. Ishigami, N. Yoshihara, M. Tsuji
    "Recent development in technology for horizontally-aligned growth of single-walled carbon nanotubes"
    Sens. Mater., 21(7), 321-330 (2009).
  • [66] A. Nakamura,* N. Hikosaka, S. Imamura, Y. Takahashi, H. Ago, H. Kishida
    "Third-order nonlinear optical response in double-walled carbon nanotubes"
    J. Luminescence, 129(12), 1722-1725 (2009.12).
  • [65] H. Ago,* K. Imamoto, T. Nishi, M. Tsuji, T. Ikuta, K. Takahashi
    "Direct growth of bent carbon nanotubes on surface engineered sapphire"
    J. Phys. Chem. C, 113(30), 13121-13124 (2009.7).
  • [64] N. Yoshihara, H. Ago,* M. Tsuji, T. Ikuta, K. Takahashi
    "Horizontally aligned growth of single-walled carbon nanotubes on surface modified silicon wafer"
    J. Phys. Chem. C, 113(19), 8030-8034 (2009.5)./ selected as cover
  • [63] C. M. Orofeo, H. Ago,* N. Yoshihara, M. Tsuji
    "Top-down approach to align single-walled carbon nanotubes on silicon substrate"
    Appl. Phys. Lett., 94(5), 053113-1-3 (2009.2).

2008

  • [62] N. Ishigami, H. Ago,* T. Nishi, K. Ikeda, M. Tsuji, T. Ikuta, K. Takahashi
    "Unidirectional growth of single-walled carbon nanotubes"
    J. Am. Chem. Soc. (Communication)130(51), 17264-17265 (2008.12).
  • [61] H. Ago,* I. Tanaka, M. Tsuji, K. Ikeda, S. Mizuno
    "Hole-doping to aligned single-walled carbon nanotubes from sapphire induced by heat treatment"
    J. Phys. Chem. C, 112(47), 18350-18354 (2008.10).
  • [60] H. Ago,* N. Ishigami, K. Imamoto, T. Suzuki, K. Ikeda, M. Tsuji, T. Ikuta, K. Takahashi
    "Horizontally-aligned single-walled carbon nanotubes on sapphire"
    J. Nanosci. Nanotech., 8(11), 6165-6169 (2008.11).
  • [59] N. Ishigami, H. Ago,* K. Imamoto, M. Tsuji, K. Iakoubovskii, N. Minami
    "Crystal plane dependent growth of aligned single-walled carbon nanotubes on sapphire"
    J. Am. Chem. Soc., 130(30), 9918-9924 (2008.7).
  • [58] N. Yoshihara, H. Ago,* M. Tsuji
    "Growth mechanism of carbon nanotube over gold-supported catalysts"
    Jpn. J. Appl. Phys., 47(4), 1944-1948 (2008.4).
  • [57] H. Ago,* N. Ishigami, N. Yoshihara, K. Imamoto, K. Ikeda, M. Tsuji, T. Ikuta, K. Takahashi
    "Visualization of horizontally-aligned single-walled carbon nanotube growth with 13C/12C isotopes"
    J. Phys. Chem. C (Letter), 112(6), 1735-1738 (2008.2). / selected as cover

2007

  • [56] N. Yoshihara, H. Ago,* M. Tsuji
    "Chemistry of water-assisted carbon nanotube growth over Fe-Mo/MgO catalyst"
    J. Phys. Chem. C, 111(31), 11577-11582 (2007.8).
  • [55] N. Ishigami, H. Ago,* Y. Motoyama, M. Takasaki, M. Shinagawa, K. Takahashi, T. Ikuta, M. Tsuji
    "Microreactor utilizing a vertically-aligned carbon nanotube array grown inside the channels"
    Chem. Commun., 16, 1626-1628 (2007).
  • [54] H. Ago,* K. Imamoto, N. Ishigami, R. Ohdo, K. Ikeda, M. Tsuji
    "Competition and cooperation between lattice-oriented growth and step-templated growth of aligned carbon nanotubes on sapphire"
    Appl. Phys. Lett., 90(12), 123112-1-3 (2007.3).
  • [53] X. Zhang,* H. Xie, M. Fujii, H. Ago, K. Takahashi, T. Ikuta, H. Abe, T. Shimizu
    "Thermal and electrical properties of a suspended nanoscale thin film"
    Int. J. Thermophys., 28(1), 33-43 (2007.2).

2006

  • [52] H. Ago, E. Uchimura, T. Saito, S. Ohshima, N. Ishigami, M. Tsuji, M. Yumura, M. Miyake
    "Mechanical Immobilization of Hela Cells on aligned carbon nanotube array"
    Mater. Lett., 60(29-30), 3851-3854 (2006.12).
  • [51] H. Ago, N. Uehara, N. Yoshihara, M. Tsuji, M. Yumura, N. Tomonaga, T. Setoguchi
    "Gas analysis of CVD process for high yield growth of carbon nanotubes over metal-supported catalysts"
    Carbon, 44(14), 2912-2918 (2006.11).
  • [50] X. Zhang, H. Xie, M. Fujii, K. Takahashi, T. Ikuta, H. Ago, H. Abe, T. Shimizu
    "Experimental study on thermal characteristics of suspended platinum nanofilm sensors"
    Int. J. Heat Mass Transfer, 49(21-22), 3879-3883 (2006.10).
  • [49] A. Nakamura, T. Tomikawa, M. Watanabe, Y. Hamanaka, Y. Saito, H. Ago
    "Nonlinear optical response and relaxation dynamics in double-walled carbon nanotubes"
    J. Luminescence, 119-120, 8-12 (2006.7).
  • [48] H. Ago, N. Uehara, K.Ikeda, R. Ohdo, K. Nakamura, M. Tsuji
    "Synthesis of horizontally-aligned single-walled carbon nanotubes with controllable density and polarized Raman spectroscopy"
    Chem. Phys. Lett., 421(4-6), 399-403 (2006.4).
  • [47] T. Saito, W. C. Xu, S. Ohshima, H. Ago, M. Yumura, S. Iijima
    "Supramoleclar catalysts for the gas-phase synthesis of single-walled carbon nanotubes"
    J. Phys. Chem. B, 110(12), 5849-5853 (2006.3).

2005

  • [46] M. Fujii, X. Zhang, H. Xie, H. Ago, K. Takahashi, T. Ikuta, H. Abe, T. Shimizu
    "Measuring the thermal conductivity of a single carbon nanotube"
    Phys. Rev. Lett., 95(6), 065502-1-4 (2005.8).
  • [45] T. Saito, S. Ohshima, W. C. Xu, H. Ago, M. Yumura, S. Iijima
    "Size-control of metal nanoparticle catalysts for the gas-phase synthesis of single-walled carbon nanotubes"
    J. Phys. Chem. B, 109(21), 10647-10652 (2005.7).
  • [44] H. Ago, K. Nakamua, K. Ikeda, N. Uehara, N. Ishigami, M. Tsuji
    "Aligned growth of isolated single-walled carbon nanotubes programmed by atomic arrangement of substrate surface"
    Chem. Phys. Lett., 408(4-6), 433-438 (2005.6).
  • [43] H. Ago, S. Imamura, T. Okazaki, T. Saito, M. Yumura, M. Tsuji
    "CVD growth of single-walled carbon nanotubes with a narrow diameter distribution and their optical properties"
    J. Phys. Chem. B, 109(20), 10035-10041 (2005.5).
  • [42] X. Zhang, H. Xie, M. Fujii, H. Ago, K. Takahashi, T. Ikuta, H. Abe, T. Shimizu
    "Thermal and electrical conductivity of a suspended platinum nanofilm"
    Appl. Phys. Lett., 86(17), 171912-171912-3 (2005.4).
  • [41] H. Ago, S. Ohshima, K. Tsukagoshi, M. Tsuji, M. Yumura
    "Formation mechanism of carbon nanotubes in the gas-phase synthesis from colloidal solutions of nanoparticles"
    Curr. Appl. Phys., 5(2), 128-132 (2005.2).

2004

  • [40] H. Ago, K. Nakamura, N. Uehara, M. Tsuji
    "Roles of meal-support interaction in growth of single- and double-walled carbon nanotubes studied with diameter-controlled iron particles supported on MgO"
    J. Phys. Chem. B, 108 (49), 18908-18915 (2004.12).
  • [39] H. Ago, K. Nakamura, S. Imamura, M. Tsuji
    "Growth of double-wall carbon nanotube with diameter-controlled iron oxide nanoparticles supported on MgO"
    Chem. Phys. Lett., 391(4-6), 308-313 (2004.6).
  • [38] Y. Zhang, H. Ago, J. Liu, M. Yumura, K. Uchida S. Ohshima, S. Iijima, J. Zhu, X. Zhang
    "The synthesis of In, In2O3 nanowires and In2O3 nanoparticles with shape-controlled"
    J. Cryst. Growth, 264, 363-368 (2004.3).
  • [37] Y. Zhang, H. Ago, M. Yumura, S. Ohshima, K. Uchida, T. Komatsu, S. Iijima
    "Study of the growth of boron nanowires synthesized by laser ablation"
    Chem. Phys. Lett., 385, 177-183 (2004.2).
  • [36] H. Ago, R. Azumi, S. Ohshima, H. Kataura, M. Yumura
    "STM study of molecular adsorption on single-wall carbon nanotube surface"
    Chem. Phys. Lett., 383, 469-474 (2004.1).

2003

  • [35] H. Ago, J. Qi, K. Tsukagoshi, K. Murata, S. Ohshima, Y. Aoyagi, M. Yumura
    "Catalytic growth of carbon nanotubes and their patterning based on ink-jet and lithographic techniques"
    J. Electroanal. Chem., 559, 25-30 (2003.11).
  • [34] K. Tsukagoshi, A. Suzuki, I. Yagi, E. Watanabe, Y. Aoyagi, H. Ago, S. Ohshima, M. Yumura
    "High density current operation in nanographite fiber synthesized by chemical vapor deposition"
    J. Appl. Phys., 94(5), 3516-3520 (2003.9).
  • [33] H. Ago, K. Murata, M. Yumura, J. Yotani, S. Uemura
    "Ink-jet printing of nanoparticle catalyst for site-selective carbon nanotube growth"
    Appl. Phys. Lett., 82(5), 811-813 (2003.2).

2002

  • [32] Y. Zhang, H. Ago, M. Yumura, T. Komatsu, S. Ohshima, K. Uchida, S. Iijima
    "Synthesis of crystalline boron nanowires by laser ablation"
    Chem. Commun., 2806 (2002).
  • [31] T. Kimura, H. Ago, M. Tobita, S. Ohshima, M. Kyotani, M. Yumura
    "Polymer composites of carbon nanotubes aligned by a magnetic field"
    Adv. Mater., 14(19), 1380-1383 (2002.10).
    *Top 10 most read articles in Advanced Materials in October 2002
  • [30] H. Ago, S. Ohshima, K. Uchida, T. Komatsu, M. Yumura
    "Carbon nanotube synthesis using colloidal solution of metal nanoparticles"
    Physica B, 323(1-4), 306-307 (2002.10).

2001

  • [29] S. Ohshima, H. Ago, H. Inoue, M. Yumura
    "Development of mass-production technology for multiwalled carbon nanotubes"
    New Diamond and Frontier Carbon Tech., 11(6), 437-448 (2001).
  • [28] H. Ago, S. Ohshima, K. Uchida, M. Yumura
    "Gas-phase synthesis of single-wall carbon nanotubes from colloidal solution of metal nanoparticles"
    J. Phys. Chem. B, 105(43), 10453-10456 (2001.11).

2000

  • [27] B. W. Alphenaar, K. Tsukagoshi, H. Ago
    "Spin electronics using carbon nanotubes"
    Physica E, 6(1-4), 848-851 (2000.2).
  • [26] H. Ago, T. Komatsu, S. Ohshima, Y. Kuriki, M. Yumura
    "Dispersion of metal nanoparticles for aligned multiwall carbon nanotube arrays"
    Appl. Phys. Lett., 77(1), 79-81 (2000.7).
  • [25] H. Ago, M. S. P. Shaffer, D.S. Ginger, A. H. Windle, R. H. Friend
    "Electronic interaction bewteen photo-excited poly(p-phenylene vinylene) and carbon nanotubes"
    Phys. Rev. B, 61(3), 2286-2290 (2000.1).

1999

  • [24] H. Ago, K. Petritsch, M. S. P. Shaffer, A. H. Windle, R. H. Friend
    "Composites of carbon nanotubes and conjugated polymers for photovoltaic devices"
    Adv. Mater., 11(15), 1281-1285 (1999.10).
  • [23] K. Tsukagoshi, B. W. Alphenaar, H. Ago
    "Coherent transport of electron spin in a ferromagnetically contacted carbon nanotube"
    Nature, 401, 572-574 (1999.10).
  • [22] H. Ago, Th. Kugler, F. Cacialli, W. R. Salaneck, M. S. P. Shaffer, A. H. Windle, R. H. Friend
    "Work functions and surface functional groups of multiwall carbon nanotubes"
    J. Phys. Chem. B, 103(38), 8116-8121 (1999.9).
  • [21] H. Ago, M. Kato, K. Yahara, K. Yoshizawa, K. Tanaka, T. Yamabe
    "Ab initio study on interaction and stability of lithium-doped amorphous carbons"
    J. Electrochem. Soc., 146(4), 1262-1269 (1999).
  • [20] H. Ago, Th. Kugler, F. Cacialli, K. Petritsch, R. H. Friend, W. R. Salaneck, Y. Ono, 
    T. Yamabe, K. Tanaka
    "Workfunction of purified and oxidized carbon nanotubes"
    Synth. Met., 103, 2494-2495 (1999).

1998

  • [19] A. K. Bakhshi, Y. Yamaguchi, H. Ago, T. Yamabe
    "Theoretical design of donor-acceptor polymers with low bandgaps"
    J. Mol. Struc. (THEOCHEM), 427, 211-219 (1998).

1997

  • [18] H. Ago, K. Tanaka, T. Yamabe, K. Takegoshi, T. Terao, S. Yata, Y. Hato, N. Ando
    "7Li NMR study of Li-doped polyacenic semiconductor (PAS) materials"
    Synth. Met., 89, 141 (1997).
  • [17] H. Ago, K. Tanaka, T. Yamabe, T. Miyoshi, K. Takegoshi, T. Terao, S. Yata, Y. Hato, N. Ando
    "Structural analysis of polyacenic semiconductor (PAS) materials with 129Xe NMR measurements"
    Carbon, 35, 1781-1787 (1997).
  • [16] H. Ago, T. Kuga, T. Yamabe, K. Tanaka, A. Kunai, M. Ishikawa
    "Electronic properties of p-type doped copolymers consisting of oligothienylene and 
    disilanylene units"
    Chem. Mater., 9, 1159-1165 (1997).
  • [15] H. Ago, K. Nagata, K. Yoshizawa, K. Tanaka, T. Yamabe
    "Theoretical study of Li-doped polycyclic aromatic hydrocarbons"
    Bull. Chem. Soc. Jpn., 70, 1717-1726 (1997).
  • [14] H. Ago, T. Kuga, T. Yamabe, K. Tanaka, S. Yata, Y. Hato, N. Ando
    "ESR study of alkali-doped polyacenic semiconductor (PAS) materials prepared by 
    thermal decomposition of azides"
    Carbon, 35, 651-656 (1997).
  • [13] K. Tanaka, H. Ago, Y. Matsuura, T. Kuga, T. Yamabe, S. Yata, Y. Hato, N. Ando
    "ESR study of Li-doped polyacenic semiconductor (PAS) materials"
    Synth. Met., 89, 133-139 (1997).
  • [12] K. Tanaka, H. Ago, T. Yamabe, K. Okahara, M. Okada
    "Bond alternation in carbon nanotubes including s-electrons"
    International Journal of Quantum Chemistry, 63, 637-644 (1997).
  • [11] K. Tanaka, H. Aoki, H. Ago, T. Yamabe, K. Okahara
    "Interlayer interaction of two graphene sheets as a model of double-layer carbon nanotube"
    Carbon, 35, 121-125 (1997).
  • [10] T. Yamabe, K. Tanaka, H. Ago, K. Yoshizawa, S. Yata
    "Structure and properties of deeply Li-doped polyacenic semiconductor (PAS)"
    Synth. Met., 86, 2411-2414 (1997).

1996

  • [9] A. K. Bakhshi, H. Ago, K. Yoshizawa, K. Tanaka, T. Yamabe
    "Electronic properties of polymers based on thienothiadiazole and thiophene"
    J. Chem. Phys., 104, 5528-5538 (1996).
  • [8] K. Tanaka, H. Aoki, H. Ago, T. Yamabe
    "Electronic property of polyacene in a constant magnetic field perpendicular to the condensed 
    aromatic-rings plane"
    Synth. Met., 79, 145-148 (1996).
  • [7] K. Yoshizawa, M. Hatanaka, H. Ago, K. Tanaka, T. Yamabe
    "Magnetic properties of 1,3,5-tris[bis(p-methoxyphenyl)amino]benzene cation radicals"
    Bull. Chem. Soc. Jpn., 69, 1417-1422 (1996).
  • [6] A. K. Bakhshi, Y. Yamaguchi, H. Ago, T. Yamabe
    "Design of novel donor-acceptor polymers with low band gaps"
    Synth. Met., 79, 115-120 (1996).
  • [5] A. K. Bakhshi, Y. Yamaguchi, H. Ago, T. Yamabe
    "Electronic structures of donor-acceptor polymers based on polythiophene, polyfuran, and 
    polypyrrole"
    Mol. Eng., 6, 239-248 (1996).

1995

  • [4] K. Tanaka, H. Ago, T. Yamabe, J. Li, K. Kitazawa
    "An ESR analysis of C60S16"
    Chem. Phys. Lett., 235, 217-220 (1995).
  • [3] K. Tanaka, H. Ago, T. Yamabe
    "Design of ferromagnetic polymers involving organosilicon moieties"
    Synth. Met., 72, 225-229 (1995).

1994

  • [2] J. Ohshita, T. Watanabe, D. Kanaya, H. Ohsaki, M. Ishikawa, H. Ago, K. Tanaka, T. Yamabe
    "Polymeric organosilicon systems. 22: synthesis and photochemical properties of poly[(disilanylene)oligophenylenes] and poly[(silylene)biphenylenes]"
    Organometallics, 13, 5002-5012 (1994).
  • [1] K. Tanaka, H. Ago, T. Yamabe, M. Ishikawa, T. Ueda
    "Electronic structures of organosilicon polymers containing thienylene units"
    Organometallics, 13, 3496-3501 (1994).

ページ上部に戻る