AKAKI Yoji

J-GLOBAL         Last updated: Dec 30, 2018 at 08:52
 
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Name
AKAKI Yoji
Affiliation
Miyakonojo National College of Technology
Section
Electrical and Computer Engineering
Job title
Associate Professor
Degree
(BLANK)

Research Areas

 
 

Education

 
 
 - 
1999
Graduate School, Division of Integrated Science and Engineering, Kyushu University
 
 
 - 
1996
Faculty of Engineering, Kagoshima University
 
 
   
 
Miyazaki university
 

Published Papers

 
Aimi Yago, Takashi Kibishi, Yoji Akaki, Shigeyuki Nakamura, Hiroto Oomae, Hironori Katagiri, Hideaki Araki
Japanese Journal of Applied Physics   57    Feb 2018   [Refereed]
© 2018 The Japan Society of Applied Physics. SnS thin films were fabricated using a co-evaporation method, and the optimization of SnS thin films in terms of substrate temperature and the dependence of their properties on Sn/S ratio were investiga...
Mitsuki Nakashima, Koichi Hatayama, Toshiyuki Yamaguchi, Hideaki Araki, Shigeyuki Nakamura, Satoru Seto, Yoji Akaki, Junji Sasano, Masanobu Izaki
Thin Solid Films   642 8-13   Nov 2017   [Refereed]
© 2017 Elsevier B.V. In this paper, we fabricated thin films composed of (Cu,Ag)2SnS3 using a sulfurization process for photovoltaic devices. The stacked NaF / Sn / (Ag + Cu) precursor was deposited by sequential evaporation of Ag, Cu, and Sn elem...
Comparison of buffer layers on SnS thin-film solar cells prepared by co-evaporation
Aimi Yago, Shohei Sasagawa, Yoji Akaki, Shigeyuki Nakamura, Hiroto Oomae, Hironori Katagiri and Hideaki Araki
Physica Status Solidi C   14 201600194   Jun 2017   [Refereed]
Yoji Akaki, Hayato Akita, Shigeyuki Nakamura, Hideaki Araki, Satoru Seto, Toshiyuki Yamaguchi
Physica Status Solidi (C) Current Topics in Solid State Physics   14 1600254   Jun 2017   [Refereed]
© 2017 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim We investigated the effect of H2S annealing for glass/Ag/Sn and glass/Ag/SnS precursor thin films deposited by vacuum evaporation. The glass/Ag/Sn and glass/Ag/SnS stacked precursors were deposit...
Preparation of SnS thin films using close space sublimation
Hideaki ARAKI, Masato Abe, Aimi Yago, Hironori Katagiri, Yoji Akaki
Journal of Nanoelectronics and Optoelectronics   12 920-924   2017   [Refereed]
Preparation of (Cu,Ag)2SnS3 thin films by sulfurization and their application to solar cells
Mitsuki Nakashima, Toshiyuki Yamaguchi, Koichi Hatayama, Hideaki Araki, Shigeyuki Nakamura, Satoru Seto, Yoji Akaki, Junji Sasano and Masanobu Izaki
DEStech Transactions on Engineering and Technology Research   321-326   2017
The synthesis of CIGS crystal using the crank ball mill
S. Yamada, H. Noji, T. Okamoto, Y. Akaki
Proc. of 5th Int. Symposium on Technology for Sustainability      Aug 2015
Characterization of CuInS2 thin films prepared from materials grown by using the mechanochemical method and their photovoltaic applications
Yoji Akaki, Kanta Sugimoto, Shigeyuki Nakamura, Toshiyuki Yamaguchi, Kenji Yoshino
Japanese Journal of Applied Physics   54 08KC19   Jul 2015   [Refereed]
Characterization of AgInS2 thin films prepared by vacuum evaporation
Yoji Akaki, Kyohei Yamashita, Tsuyoshi Yoshitake, Shigeuki Nakamura, Satoru Seto, Takahiro Tokuda, Kenji Yoshino
Physica B   407 2858-2860   Dec 2011   [Refereed]
Effect of annealing for Ag-In-S thin films prepared by a vacuum evaporation method
Yoji Akaki, Kyohei Yamashita, Tsuyoshi Yoshitake, Shigeyuki Nakamura, Satoru Seto, Takahiro Tokuda and Kenji Yoshino
Proceeding of The 35th IEEE Photovoltaic Specialists Conference   2406-2409   Jun 2010
Synthesis of Porous CuInS2 Crystals
Yoji Akaki, Takanori Matsubara, Yuki Ohno, Takanori Momiki and Kazuki Ide
Physica Status Solidi (c)   6 1027-1029   Apr 2009   [Refereed]
Effect of annealing for CuInS2 thin films prepared from Cu-rich ternary compound
Yoji Akaki, Shigeuki Nakamura, Keita Nomoto, Tsuyoshi Yoshitake and Kenji Yoshino
Physica Status Solidi (c)   6 1030-1033   Apr 2009   [Refereed]
Growth and characterization of Mn-doped AgInS2 grown by a hot-press method
Yoji Akaki, Yasuhiro Shirahata, Kenji Yoshino, Yutaka Ohno and Ichiro Yonenaga
Physica Status Solidi (c)   6 1043-1046   Apr 2009   [Refereed]
Dependence of Cu/In ratio of structural and electrical characterization of CuInS2 crystal
K. Yoshino, K. Nomoto, A. Kinoshita, T. Ikari, Y. Akaki and T. Yoshitake
Journal of Materials Science: Materials in Electronics   19 301-304   Jun 2008   [Refereed]
Effect of H2S annealing for CuInS2 thin films prepared by a vacuum evaporation method
Y. Akaki, K. Nomoto, S. Nakamura, T. Yoshitake and K. Yoshino
Journal of Physics   100 082022   Mar 2008   [Refereed]
Y. Akaki, H. Matsuo and K. Yoshino
3(8) 2597-2600   Aug 2006   [Refereed]
Y. Akaki, N. Ohryoji, A. Fukuyama, K. Yoshino, S. Kawakita, M. Imaizumi, S. Niki, K. Sakurai, S. Ishizuka, T. Ohshima and T. Ikari
Thin Solid Films   480-481 250-253   Jun 2005   [Refereed]
Y. Akaki, K. Yoshino, S. Kawakita, M. Imaizumi, S. Niki, K. Sakurai, S. Ishizuka, T. Ohshima and T. Ikari
Applied Physics Letters   85(8) 1347-1349   2004   [Refereed]
Growth and Characterization of p-type AgInS2 Crystals Grown by Hot-Press Method
K. Yoshino, H. Komaki, T. Kakeno, Y. Akaki and T. Ikari
Journal of Physics and Chemistry of Solids   64 1839-1842   Sep 2003   [Refereed]
Electrical and optical characterization of n-type ZnO thin films
K. Yoshino, T. Hata, T. Kakeno, H. Komaki, M. Yoneta, Y. Akaki and T. Ikari
Physica Status Solidi (C)   0 626-630   Feb 2003   [Refereed]
Crystal Growth of AgInGaSe2 Crystals Grown by Vretical Gradient Freezing Method
K. Yoshino, H. Komaki, K. Itani, S. F. Chichibu, Y.Akaki and T. Ikari
236 257-260   Mar 2002   [Refereed]
Growth of CuInS2 Crystals Grown by Hot-Press Method
H. Komaki, K. Yoshino, S. Seto, M. Yoneta, Y. Akaki and T. Ikari
236 253-256   Mar 2002   [Refereed]
Recoverable degradation and internal field forming process accompanied by the orientation of dipoles in organic light emitting diodes
T. Yamada, D. Zou, H. Jeong, Y. Akaki and T. Tsutsui
Synthetic metals   111-112 237-240   Jun 2000   [Refereed]

Conference Activities & Talks

 
Characteristics of Ag-rich Ag8SnS6 thin film
20 Dec 2018   
Effects of H2S Annealing for Ag-Sn-S Thin Films Deposited by a Thermal Evaporation Method
Yoji Akaki, Kyohei Yoshinaga, Shigeyuki Nakamura, Hideaki Araki, Satoru Seto, Toshiyuki Yamaguchi
21th International Conference on Ternary and Multinary Compound, p.57   13 Sep 2018   
KF addition to (Cu,Ag)2SnS3 thin films prepared by sulfurization process
Mitsuki Nakashima, Shun Hirano, Toshiyuki Yamaguchi, Hideaki Araki, Hironori Katagiri, Yoji Akaki, Junji Sasano, Masanobu Izaki
21th International Conference on Ternary and Multinary Compound, pp.26-27   11 Sep 2018   
Effects of H2S Annealing for Sb-doped Ag-Sn-S Thin Films Deposited by a Thermal Evaporation Method
Yoji Akaki, Kyohei Yoshinaga, Shigeyuki Nakamura, Hideaki Araki, Satoru Seto, Toshiyuki Yamaguchi
21th International Conference on Ternary and Multinary Compound, pp.25-26   11 Sep 2018   
(Cu,Ag)2SnS3 thin film solar cells using sulfurized metal precursors with varied Ag content
Shigeyuki Nakamura, Panha Eang, Toshiyuki Yamaguchi, Satoru Seto, Yoji Akaki, Hironori Katagiri, Hideaki Araki
21th International Conference on Ternary and Multinary Compound, p.15   11 Sep 2018   
STRACTURAL CHARACTERIZATION OF SN-S THIN FILMS DEPOSITED BY A THERMAL EVAPORATION METHOD
Yoji Akaki, Kazuya Iwasaki, Shigeyuki Nakamura, Hideaki Araki
16 Nov 2017   
AG-SN-S SYNTHESIS BY SOLID-PHASE REACTION FROM BINARY SULFIDES
Eang Panha, Hideaki Araki, Yoji Akaki, Mitsuki Nakashima, Toshiyuki Yamaguchi, Satoru Seto, Shigeyuki Nakamura
27th International Photovoltaic Science and Engineering Conference, 2ThPo.85   16 Nov 2017   
Fabrication of (Cu,Ag)2SnS3 thin film solar cells by sulfurization from stacked NaF/Sn/(Cu+Ag) precursors
Mitsuki Nakashima, Koichi Hatayama, Toshiyuki Yamaguchi, Hideaki Araki, Shigeyui Nakamura, Satoru Seto, Yoji Akaki, Junji Sasano, Masanobu Izaki,
14 Nov 2017   
畠田幸之介, 荒木秀明, 中村重之, 瀬戸悟, 山口利幸, 赤木洋二
応用物理学会秋季学術講演会講演予稿集(CD-ROM), 6p-PA5-11   25 Aug 2017   
佐藤佑亮, 荒木秀明, 中村重之, 瀬戸悟, 山口利幸, 赤木洋二
応用物理学会秋季学術講演会講演予稿集(CD-ROM), 6p-PA5-13   25 Aug 2017   

Research Grants & Projects

 
Prepareration and Characterizatin of I-III-VI2 Chalcopyrite-type Semiconductor Thin Films
Project Year: 2002