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Investigation of the minimum driving force for dye regeneration utilizing model squaraine dyes for dye-sensitized solar cells
http://hdl.handle.net/10228/00006973
http://hdl.handle.net/10228/00006973b8a38255-5bd2-4e5d-a0e0-75ef4696a7e5
名前 / ファイル | ライセンス | アクション |
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JMCA5_22672.pdf (1.5 MB)
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Item type | 学術雑誌論文 = Journal Article(1) | |||||||||
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公開日 | 2018-11-21 | |||||||||
資源タイプ | ||||||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||||||
資源タイプ | journal article | |||||||||
タイトル | ||||||||||
タイトル | Investigation of the minimum driving force for dye regeneration utilizing model squaraine dyes for dye-sensitized solar cells | |||||||||
言語 | ||||||||||
言語 | eng | |||||||||
著者 |
Pradhan, Anusha
× Pradhan, Anusha× Morimoto, Takuya× Saikiran, Maryala× Kapil, Gaurav× 早瀬, 修二× パンディ, シャム スディル
WEKO
6311
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抄録 | ||||||||||
内容記述タイプ | Abstract | |||||||||
内容記述 | Combined theoretical and experimental approaches were implemented to design model far-red sensitive unsymmetrical squaraine dyes in order to estimate the minimum energy barrier required for dye regeneration. Our logical molecular design indicated that it is possible to have a fine control on the energetics within 0.2 eV only by the judicious selection of substituents and alkyl chain length keeping the main π-molecular framework the same. The utilization of the LSDA functional under TD-DFT calculations offered an effective and economical computational method for the reliable prediction of the energetics as well as the absorption maximum of the sensitizers. Among the designed dyes under investigation, SQ-75 exhibited the best photovoltaic performance, having a short-circuit current density of 10.92 mA cm−2, open circuit voltage of 0.57 V and a fill factor of 0.67, leading to a photoconversion efficiency of 4.25% despite having photon harvesting mainly in the far-red region. The best photon harvesting by SQ-75, even with an energy difference of only 0.12 eV between the energy of its highest occupied molecular orbital and redox energy level I−/I3− electrolyte, corroborates the possibility for dye regeneration with such a small driving force. | |||||||||
書誌情報 |
Journal of Materials Chemistry A 巻 5, 号 43, p. 22672-22682, 発行日 2017-10-12 |
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出版社 | ||||||||||
出版者 | Royal Society of Chemistry | |||||||||
DOI | ||||||||||
関連タイプ | isVersionOf | |||||||||
識別子タイプ | DOI | |||||||||
関連識別子 | info:doi/10.1039/C7TA06990A | |||||||||
日本十進分類法 | ||||||||||
主題Scheme | NDC | |||||||||
主題 | 549 | |||||||||
ISSN | ||||||||||
収録物識別子タイプ | ISSN | |||||||||
収録物識別子 | 2050-7488 | |||||||||
ISSN | ||||||||||
収録物識別子タイプ | ISSN | |||||||||
収録物識別子 | 2050-7496 | |||||||||
著作権関連情報 | ||||||||||
権利情報 | Royal Society of Chemistry | |||||||||
出版タイプ | ||||||||||
出版タイプ | AM | |||||||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||||||
査読の有無 | ||||||||||
値 | yes | |||||||||
研究者情報 | ||||||||||
https://hyokadb02.jimu.kyutech.ac.jp/html/332_ja.html | ||||||||||
論文ID(連携) | ||||||||||
10309952 | ||||||||||
連携ID | ||||||||||
6626 | ||||||||||
資料タイプ | ||||||||||
内容記述タイプ | Other | |||||||||
内容記述 | Journal Article | |||||||||
著者所属 | ||||||||||
Graduate School of Life Science and Systems Engineering, Kyushu Institute of Technology | ||||||||||
著者所属 | ||||||||||
Graduate School of Life Science and Systems Engineering, Kyushu Institute of Technology | ||||||||||
著者所属 | ||||||||||
Graduate School of Life Science and Systems Engineering, Kyushu Institute of Technology | ||||||||||
著者所属 | ||||||||||
Graduate School of Life Science and Systems Engineering, Kyushu Institute of Technology | ||||||||||
著者所属 | ||||||||||
Graduate School of Life Science and Systems Engineering, Kyushu Institute of Technology | ||||||||||
著者所属 | ||||||||||
Graduate School of Life Science and Systems Engineering, Kyushu Institute of Technology | ||||||||||
情報源 | ||||||||||
識別子タイプ | URI | |||||||||
関連識別子 | DOI:10.1039/C7TA06990A | |||||||||
関連名称 | DOI:10.1039/C7TA06990A |