Researcher Database

（Last updated : 2023-12-11 15:35:13）

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MINEMOTO Takashi

Department / Course College of Science and Engineering Department of Electrical and Electronic Engineering

Title / Position Professor

Other Affiliations
1.	Graduate School of Science and Engineering
2.	Research Organization of Science and Technology Earth & Space Exploration Center

Academic background
1.	～1997/03	│ Ritsumeikan University │ Advanced a year
2.	～1999/03	Master Course │ Ritsumeikan University │ Completed
3.	～2001/03	Doctoral Program (2nd Semester) │ Ritsumeikan University │ Completed Doctor of Engineering

Business career
1.	2023/04/01 ～	Fellow │ │ Ritsumeikan Advanced Research Academy (RARA)
2.	2015/04/01 ～	Professor │ │
3.	2012/04/01 ～ 2015/03/31	Associate Professor │ │
4.	2011/04/01 ～ 2012/03/31	Associate Professor │ │
5.	2009/04/01 ～ 2011/03/31	Associate Professor │ Ritsumeikan Global Innovation Research Organization │ Ritsumeikan University
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Research activities
1.	～	The Japan Society of Applied Physics

Subject of research
1.	Development of Chalcopyrite Thin-film Solar Cell
2.	Outdoor Demonstrative Evaluation of Solar Power Generation System

Research summary
Inventing the next generation high performance optoelectronic transducers I will develop the next generation solar battery with low-cost and high performance, desperately wanted in the 21th century. (such as high-efficient solar battery using compound semiconductor thin film, including CuInSe2 with chalcopyrite structure)

Present specialized field
Electronic materials/ Electric materials, Electron device/ Electronic equipment (Keyword：Solid state physics, Semiconductor for electronics, Cu(In,Ga)Se2, Cu(In,Al)Se2, Cu(In,Al)S2)

Papers
1.	2019	Edge collection function: an analytical expression for the optical efficiency of an energyharvesting device based on photoluminescence │ Opt. Eng. 58 │ 10,pp.104101
2.	2017	Influences of environmental factors on Si-based photovoltaic modules after longtime outdoor exposure by multiple regression analysis │ Renewable Energy │ 101,pp.10-15 (Co-authored)
3.	2016	Architecture of the Interface between the Perovskite and Hole-Transport Layers in Perovskite Solar Cells │ Chem. Sus. Chem. │ 9,pp.2634-2639 (Co-authored)
4.	2016	Effect of Indium Doping on Surface Optoelectrical Properties of Cu2ZnSnS4 Photoabsorber and Interfacial/Photovoltaic Performance of Cadmium Free In2S3/Cu2ZnSnS4 Heterojunction Thin Film Solar Cell │ Chem. Mater. │ 28,pp.3283–3291 (Co-authored)
5.	2016	Effects of Na and secondary phases on physical properties of SnS thin film after sulfurization process │ Jpn. J. Appl. Phys. │ 55,pp.092301-1-4 (Co-authored)
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Academic conference presentation
1.	2016/10	Correlation of short circuit current ratio of various photovoltaic modules and average photon energy of solar spectrum (26th International Photovoltaic Science and Engineering Conference and Exhibition)
2.	2016/10	Enlargement of Cu2SnS3 grain size induced by Na for improvement of its photovoltaic performances (26th International Photovoltaic Science and Engineering Conference and Exhibition)
3.	2016/10	Impact estimation of average photon energy of solar spectrum on short circuit current of Si based photovoltaic modules (26th International Photovoltaic Science and Engineering Conference and Exhibition)
4.	2016/10	Influence of Cu/(Ge+Sn) composition ratio on photovoltaic performances of Cu2Sn1-xGexS3 solar cell (26th International Photovoltaic Science and Engineering Conference and Exhibition)
5.	2016/10	Investigation of heterointerface recombination of Cu(In,Ga)(Se,S)2 solar cells with different buffer layers (26th International Photovoltaic Science and Engineering Conference and Exhibition)
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Winning science prize
1.	2007/12	17th International Photovoltaic Science and Engineering Conference 17th International Photovoltaic Science and Engineering Conference Paper Award

Competitive grants, etc. (exc. KAKENHI)
1.	2005 ～ 2008	Development of high efficiency Cu(In,Al)Se2 solar cells │ Research by External Competitive Fund │ Industrial Technology Research Grant Program in 2005

E-Mail Address