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Researchers
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SAKOMURA Masaru
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【Published Thesis】 A simulation of key aspects of a primary process in natural photosynthesis by a Langmuir-Blodgett film assembly 2004.11
【Published Thesis】 Detailed investigation of dependencies of photovoltaic performances of P3HT:PC61BM based solar cells on anodic work function modified by surface treatment of indium-tin-oxide electrode with benzenesulfonyl chloride derivatives 2015.04
【Published Thesis】 Dynamics of photoinduced electron transfer in an amphiphilic A2+-S-D triad molecule 2002.03
Tokyo Institute of Technology Unfinished Course
Tokyo Institute of Technology Graduated
Doctor of Engineering - Tokyo Institute of Technology
Duty Yokohama National UniversityFaculty of Engineering Division of Materials Science and Chemical Engineering Lecturer
Duty Yokohama National UniversityFaculty of Engineering Division of Materials Science and Chemical Engineering Research Assistant
Duty Yokohama National UniversitySchool of Engineering Research Assistant
Concurrently Yokohama National UniversityGraduate school of Engineering Science Department of Chemistry, Chemical Engineering and Life Science Lecturer
Concurrently Yokohama National UniversityCollege of Engineering Science Department of Chemistry, Chemical Engineering and Life Science Lecturer
Nanotechnology/Materials / Functional solid state chemistry
Nanotechnology/Materials / Fundamental physical chemistry / Physical Chemistry
Intramolecular Electron Transfer within a Model Compound of a Photosynthetic Reaction Center
Project Year：
Study on Photofunctional Organic Ultra-thin Films
Project Year：
Development of High-Efficiency Organic Thin Film Solar Cells
Project Year：
Devices on Molecular and DNA Levels
Grant-in-Aid for Scientific Research
Project Year：
Encyclopedia of Electrochemistry
Masamichi Fujihira, Masaru Sakomura（ Role： Joint author）
Wiley-VCH: Weinheim
Language：English Book type：Scholarly book
Study of photoelectric conversion by linear amphiphilic acceptor-sensitizer-donor triads
2002.5
Doctoral Thesis Single Work
Photoelectric conversion by a linear A-S-D triad monolayer
1988.2
Master Thesis Single Work
Masaru Sakomura, Yuya Yokokura, Yusuke Takagi, Kazuyoshi Ueda
AIP Advances 10 015144-1 - 015144-8 2020.1 [Reviewed]
Language：English Publishing type：Research paper (scientific journal) Joint Work
Other Link： https://aip.scitation.org/doi/10.1063/1.5129351
Ganbaatar Tumen-Ulzii, Delgerjargal Altantsetseg, Nyamjargal Ochirkhuyag, Delgertsetseg Byambasuren … Show more authors
Ganbaatar Tumen-Ulzii, Delgerjargal Altantsetseg, Nyamjargal Ochirkhuyag, Delgertsetseg Byambasuren, Masaru Sakomura, Sarangerel Khayankhyarvaa, Ganzorig Chimed Hide authors
Chemistry Select 2 ( 15 ) 4230 - 4233 2017.5 [Reviewed]
Language：English Publishing type：Research paper (scientific journal) Publisher：Wiley Joint Work
In this study, we have examined the correlation between work function (WF) of indium-tin-oxide (ITO) and open-circuit voltage (Voc) of heterojunction photovoltaic (PV) cells based on different donor materials. Device configurations of ITO(modified)/SubPc/C60/BCP/Al and ITO(modified)/ZnPc/C60/BCP/Al were used in this study. Surface modification of ITO electrode through p-substituted benzenesulfonyl chlorides with different electron withdrawing terminal groups (C6H5-, Cl- and NO2-) has exploited to change the WF of ITO up to 5.28 eV with NO2-.Chemically modified ITOs and SubPc, ZnPc were used as anode electrode and donor materials, respectively. In order to find the correlation of Voc, two different donor materials with different HOMO levels were used in PV cells.When the SubPc was used as a donor in PV cells, the Voc was strongly dependent on WF of ITO. However, for ZnPc, the Voc was almost independent on WF of ITO due to its low HOMO level and formed ohmic contact at the interface between chemically modified ITO electrodes and ZnPc.
Other Link： https://chemistry-europe.onlinelibrary.wiley.com/doi/full/10.1002/slct.201700482
Detailed investigation of dependencies of photovoltaic performances of P3HT:PC61BM based solar cells on anodic work function modified by surface treatment of indium-tin-oxide electrode with benzenesulfonyl chloride derivatives
Byambasuren Delgertsetseg, Namsrai Javkhlantugs, Erdenebileg Enkhtur, Yuya Yokokura, Takayuki Ooba, … Show more authors
Byambasuren Delgertsetseg, Namsrai Javkhlantugs, Erdenebileg Enkhtur, Yuya Yokokura, Takayuki Ooba, Kazuyoshi Ueda, Chimed Ganzorig, Masaru Sakomura Hide authors
Organic Electronics 23 164 - 170 2015.4 [Reviewed]
Language：English Publishing type：Research paper (scientific journal) Publisher：Elsevier B. V. Joint Work
The photovoltaic (PV) characteristics of bulk-heterojunction (BHJ) solar cells based on poly(3-hexylthiophene) and [6,6]-phenyl-C61-butyric acid methyl ester (P3HT:PC61BM) were improved using indium tin oxide (ITO) anode electrodes modified chemically with CH3O-,H-,Cl-,CF3-,and NO2-terminated benzenesulfonyl chlorides as a self-assembled monolayer(SAM).The ITO electrode surfaces were easily treated through the chemical modification of the reactive -SO2Cl binding group, and the work function(WF)of the modified ITO was effectively changed depending on the permanent dipole moments introduced in the para-position of benzenesulfonyl chloride. We examined the correlation between the ITO WFs corrected by the change in the contact potential difference and the calculated dipole moments of the SAM models. Moreover, we examined the PV characteristics of the P3HT:PC61BM based BHJ organic PV cells using the SAMs or poly(3,4-ethylenedioxythiophene):poly(styrene sulfonate) (PEDOT:PSS)-treated ITOs with different WFs lying within ±0.2 eV from the highest occupied molecular orbital(HOMO)level of P3HT. We found that the enhancement effect of the SAMs on the power-conversion efficiency(ηP)reached a maximum with Cl(ηP=3.72%),and became larger than that of PEDOT:PSS (ηP = 3.62%).Two distinct Jsc dependencies, increasing and decreasing with the increasing WF of the anode ITO,were observed at higher and lower WFs than the HOMO level of the donor, respectively.Almost constant Voc values (around0.6V)were observed with different SAM-modified ITOs,which suggested that Fermi level pinning was achieved by aligning the anode Fermi level and positive polaronic level of the donor polymer.
Improved performances of ITO electrodes treated by molecular-self assembly
Byambasuren Delgertsetseg, Khayankhyarvaa Sarangerel, Namsrai Javkhlantugs, Masaru Sakomura, Kazuyo … Show more authors
Byambasuren Delgertsetseg, Khayankhyarvaa Sarangerel, Namsrai Javkhlantugs, Masaru Sakomura, Kazuyoshi Ueda, Chimed Ganzorig Hide authors
Rev.Téc.Ing.Univ.Zulia 37 ( 3 ) 35 - 40 2014.12 [Reviewed]
Language：English Publishing type：Research paper (scientific journal) Joint Work
Improvement of open-circuit voltage in organic photovoltaic cells with chemically modified indium-tin oxide
K. Sarangerel, B. Delgertsetseg, N. Javkhalantugs, M. Sakomura, C. Ganzorig
World Journal of Nano Science and Engineering 3 113 - 120 2013.12 [Reviewed]
Language：English Publishing type：Research paper (scientific journal) Publisher：Scientific Research Joint Work
Enhanced performance in organic photovoltaic cells with chemically modified indium-tin oxide anode electrode
B. Delgertsetseg, K. Sarangerel, A. Delgerjargal, N. Javkhlantugs, C. Ganzorig, K. Ueda, M. Sakomura
8th International Forum on Strategic Technology 2013.6 [Reviewed] [Invited]
Language：English Publishing type：Article, review, commentary, editorial, etc. (international conference proceedings) Joint Work
有機薄膜太陽電池の高効率化
藤平正道、迫村 勝
学術月報 58 ( 7 ) 542 - 546 2005.7
Language：Japanese Publishing type：Article, review, commentary, editorial, etc. (scientific journal) Publisher：日本学術振興会 Joint Work
図解バイオ活用技術のすべて
藤平正道教授（東京工業大学）
工業調査会 206 - 211,226-230 2004.6
Language：Japanese Publishing type：Article, review, commentary, editorial, etc. (other) Joint Work
電荷輸送層を省いた積層構造による低コスト型ペロブスカイト太陽電池の創製
Grant number：21K04684 2021.4 - 2024.3
独立行政法人日本学術振興会 Grant-in-Aid for Scientific Research(C)
Investigator(s)：迫村 勝
Authorship：Principal investigator Grant type：Competitive
DVD-Rを用いた新型太陽電池創り
2020.4 - 2021.3
Private Foundations 日本文具財団助成金
Investigator(s)：迫村 勝
Authorship：Principal investigator
斜め蒸着法での銀電極形成における自己陰影効果への有機バッファー層挿入による影響
木川 藍子，黒木 皓太，迫村 勝
第12回CSJ化学フェスタ2022 日本化学会
Event date： 2022.10
Language：Japanese Presentation type：Poster presentation
Venue：タワーホール船堀
自己組織化単分子膜修飾ITO電極上に形成したペロブスカイト膜の表面特性調査と太陽電池デバイス化の検討
森 友萌，野村 将大，富永 宇，迫村 勝
第11回CSJ化学フェスタ2021 日本化学会
Event date： 2021.10
Language：Japanese Presentation type：Poster presentation
Venue：リモート開催
フッ化炭素系有機薄膜表面のフォースカーブ解析
池田 航大，迫村 勝
第11回CSJ化学フェスタ2021 日本化学会
Event date： 2021.10
Language：Japanese Presentation type：Poster presentation
Venue：リモート開催
DFT計算によるLB膜修飾SnO2電極基板の電子特性の研究
小宮 大樹，迫村 勝
第10回CSJ化学フェスタ2020
Event date： 2020.10
Language：Japanese Presentation type：Poster presentation
Venue：リモート開催
フッ素化カルボン酸による相分離LB膜表面のフォースカーブ解析
小山 信也，迫村 勝，池田 航大
第10回CSJ化学フェスタ2020 日本化学会
Event date： 2020.10
Language：Japanese Presentation type：Poster presentation
Venue：リモート開催
Study on Organic Solar Cells
Study on Molecular Solar Cells
2024 Solution Theories
Graduate school of Engineering Science
溶液化学
2022.9 - 2023.3 Institution：青山学院大学
Level：Undergraduate (specialized)
日本化学会関東支部
2021.4 - 2023.3 代表正会員
Committee type：Academic society
日本化学会関東支部
2019.4 - 2021.3 代表正会員
Committee type：Academic society
