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Wide wavelength photon harvesting in dye-sensitized solar cells utilizing cobalt complex redox electrolyte: Implication of surface passivation
http://hdl.handle.net/10228/00008066
http://hdl.handle.net/10228/000080664ff10f0a-5f1f-4614-b612-22ad660bcef1
名前 / ファイル | ライセンス | アクション |
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10350043.pdf (865.2 kB)
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Item type | 学術雑誌論文 = Journal Article(1) | |||||||||
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公開日 | 2021-03-15 | |||||||||
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 | Wide wavelength photon harvesting in dye-sensitized solar cells utilizing cobalt complex redox electrolyte: Implication of surface passivation | |||||||||
言語 | ||||||||||
言語 | eng | |||||||||
著者 |
Pradhan, Anusha
× Pradhan, Anusha× Kiran, Maryala Sai× 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 | A combination of near infra-red (NIR) photon harvesting and cobalt electrolytes having deeper redox energy level are needed for the fabrication of high efficiency dye-sensitized solar cells (DSSCs). A logical molecular design of unsymmetrical squaraine dye (SQ-110) as a representative of NIR dyes has been demonstrated to function well in DSSC using cobalt complex redox electrolyte. Problem of mass transport limitations due to the bulky cobalt complex ions leading to relatively enhanced charge recombination was amicably solved by single as well as multiple compact metal oxide surface passivation on both of the transparent conducting oxide substrate as well as mesoporous TiO2. Complete absence of light absorption beyond 550 nm wavelength region by D-35 and utilization of a complementary light harvesting dye SQ-110 led to efficient wide wavelength photon harvesting. DSSC fabricated using a dye cocktail of D-35 and SQ-110 in 4:1 ratio resulted in to photoconversion efficiency (PCE) of 7.2%, which is much higher as compared to the constituent individual sensitizers D-35 (3.6%) and SQ-110 (1.9%). This synergistic enhancement in PCE by dye cocktail was associated with the mutual co-operation of respective dyes in terms controlling the dye aggregation and complementary photon harvesting. In this dye cocktail system, D-35 is involved in the prevention of dye aggregation, lower wavelength photon harvesting and energy transfer induced photocurrent enhancement. | |||||||||
書誌情報 |
Solar Energy Materials and Solar Cells 巻 195, p. 122-133, 発行日 2019-03-13 |
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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.solmat.2019.03.013 | |||||||||
日本十進分類法 | ||||||||||
主題Scheme | NDC | |||||||||
主題 | 543 | |||||||||
ISSN | ||||||||||
収録物識別子タイプ | ISSN | |||||||||
収録物識別子 | 0927-0248 | |||||||||
著作権関連情報 | ||||||||||
権利情報 | Copyright (c) 2019 Elsevier B.V. All rights reserved. | |||||||||
キーワード | ||||||||||
主題Scheme | Other | |||||||||
主題 | Photosensitization | |||||||||
キーワード | ||||||||||
主題Scheme | Other | |||||||||
主題 | Dye-sensitized solar cells | |||||||||
キーワード | ||||||||||
主題Scheme | Other | |||||||||
主題 | Squaraine dyes | |||||||||
キーワード | ||||||||||
主題Scheme | Other | |||||||||
主題 | Cobalt electrolyte | |||||||||
キーワード | ||||||||||
主題Scheme | Other | |||||||||
主題 | Surface passivation | |||||||||
キーワード | ||||||||||
主題Scheme | Other | |||||||||
主題 | Energy transfer | |||||||||
キーワード | ||||||||||
主題Scheme | Other | |||||||||
主題 | FRET | |||||||||
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) | ||||||||||
10350043 | ||||||||||
連携ID | ||||||||||
8185 |