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Synthesis, Photophysical characterization and dye adsorption behavior in unsymmetrical squaraine dyes with varying anchoring groups
http://hdl.handle.net/10228/00008750
http://hdl.handle.net/10228/00008750b396a407-3cc3-42c4-b0a7-6fe7a6528208
名前 / ファイル | ライセンス | アクション |
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iENERON-2020_56.pdf (672.5 kB)
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Item type | 学術雑誌論文 = Journal Article(1) | |||||||||
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公開日 | 2022-03-07 | |||||||||
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 | Synthesis, Photophysical characterization and dye adsorption behavior in unsymmetrical squaraine dyes with varying anchoring groups | |||||||||
言語 | ||||||||||
言語 | eng | |||||||||
著者 |
Vats, Ajendra Kumar
× Vats, Ajendra Kumar× Pradhan, Anusha× 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 | Four newly designed unsymmetrical squaraine dyes bearing different functional groups for their anchoring on the surface of mesoporous TiO2 were successfully synthesized aiming towards development of far-red sensitizers for dye-sensitized solar cells (DSSCs). The synthesized dyes were characterized by 1H NMR, fast ion bombardment mass, and subjected to photophysical investigations by electronic absorption/fluorescence emission spectroscopy and cyclic voltammetry. These dyes exhibited excellent solubility in a number of common organic solvents. Adsorption behavior of these dyes on the thin films of mesoporous TiO2 was investigated in detail and results indicated that rate of dye adsorption follows the order −COOH>-PO3H2>OH > SO3H. At the same time, dye desorption studies demonstrated that stability of adsorbed dyes on the mesoporous TiO2 follows the order -PO3H2>>OH>−COOH > –SO3H. Further, implication of the nature of anchoring groups of dye molecules upon the energy levels of their highest occupied molecular orbital and lowest unoccupied molecular orbital was evaluated by both of the combined theoretical and experimental approaches. In spite of enhanced dye loading, very high binding strength and favorable energetic cascade, SQ-143 bearing Phosphonic acid exhibited hampered photovoltaic performance as compared to that of SQ-138 with carboxylic acid anchoring group. Amongst various sensitizers used for present investigation, SQ-138 exhibited best photovoltaic performance having short-circuit current density, open circuit voltage and fill factor of 12.49 mA/cm2, 0.60 V, and 0.53, respectively, leading to power conversion efficiency of 4.07 % after simulated solar irradiation. | |||||||||
書誌情報 |
Journal of Photochemistry and Photobiology A: Chemistry 巻 394, p. 112467-1-112467-12, 発行日 2020-03-05 |
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出版社 | ||||||||||
出版者 | Elsevier | |||||||||
DOI | ||||||||||
関連タイプ | isVersionOf | |||||||||
識別子タイプ | DOI | |||||||||
関連識別子 | https://doi.org/10.1016/j.jphotochem.2020.112467 | |||||||||
日本十進分類法 | ||||||||||
主題Scheme | NDC | |||||||||
主題 | 431 | |||||||||
ISSN | ||||||||||
収録物識別子タイプ | ISSN | |||||||||
収録物識別子 | 1010-6030 | |||||||||
著作権関連情報 | ||||||||||
権利情報 | Copyright (c) 2020 Elsevier B.V. All rights reserved. | |||||||||
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) | ||||||||||
10350746 | ||||||||||
連携ID | ||||||||||
8182 | ||||||||||
資料タイプ | ||||||||||
内容記述タイプ | Other | |||||||||
内容記述 | Journal Article | |||||||||
著者所属 | ||||||||||
Kyushu Institute of Technology | ||||||||||
著者所属 | ||||||||||
Kyushu Institute of Technology | ||||||||||
著者所属 | ||||||||||
Kyushu Institute of Technology | ||||||||||
著者所属 | ||||||||||
Kyushu Institute of Technology |