Two new D-A-pi-spacer-A organic dyes, KM-10 and KM-11, containing a benzothiadiazole unit in a pi-spacer and a cyanoacrylic acid as an acceptor have been synthesized and tested as sensitizers in dye-sensitized solar cells. Structural variations of the donor moiety, i.e., pi-extension of the diphenylamine electron-donating groups, gave rise to different photovoltaic efficiencies-7.1% for KM-10 and 8% for KM-11 despite having comparable absorption properties. A detailed investigation, including transient photocurrent and photovoltage decay measurement, transient absorption spectroscopy, and quantum chemical methods, provided important conclusions about the nature of the substitution on the photovoltaic properties of dyes.
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E China Univ Sci & Technol, Key Lab Adv Mat, Shanghai 200237, Peoples R China
E China Univ Sci & Technol, Inst Fine Chem, Shanghai 200237, Peoples R ChinaE China Univ Sci & Technol, Key Lab Adv Mat, Shanghai 200237, Peoples R China
Cai, Shengyun
;
Hu, Xiaohao
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E China Univ Sci & Technol, Key Lab Adv Mat, Shanghai 200237, Peoples R China
E China Univ Sci & Technol, Inst Fine Chem, Shanghai 200237, Peoples R ChinaE China Univ Sci & Technol, Key Lab Adv Mat, Shanghai 200237, Peoples R China
Hu, Xiaohao
;
Zhang, Zhiyun
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E China Univ Sci & Technol, Key Lab Adv Mat, Shanghai 200237, Peoples R China
E China Univ Sci & Technol, Inst Fine Chem, Shanghai 200237, Peoples R ChinaE China Univ Sci & Technol, Key Lab Adv Mat, Shanghai 200237, Peoples R China
Zhang, Zhiyun
;
Su, Jianhua
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E China Univ Sci & Technol, Key Lab Adv Mat, Shanghai 200237, Peoples R China
E China Univ Sci & Technol, Inst Fine Chem, Shanghai 200237, Peoples R ChinaE China Univ Sci & Technol, Key Lab Adv Mat, Shanghai 200237, Peoples R China
Su, Jianhua
;
Li, Xin
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E China Univ Sci & Technol, Key Lab Adv Mat, Shanghai 200237, Peoples R China
E China Univ Sci & Technol, Inst Fine Chem, Shanghai 200237, Peoples R ChinaE China Univ Sci & Technol, Key Lab Adv Mat, Shanghai 200237, Peoples R China
Li, Xin
;
Islam, Ashraful
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Natl Inst Mat Sci, Photovolta Mat Unit, Tsukuba, Ibaraki, JapanE China Univ Sci & Technol, Key Lab Adv Mat, Shanghai 200237, Peoples R China
Islam, Ashraful
;
Han, Liyuan
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Natl Inst Mat Sci, Photovolta Mat Unit, Tsukuba, Ibaraki, JapanE China Univ Sci & Technol, Key Lab Adv Mat, Shanghai 200237, Peoples R China
Han, Liyuan
;
Tian, He
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E China Univ Sci & Technol, Key Lab Adv Mat, Shanghai 200237, Peoples R China
E China Univ Sci & Technol, Inst Fine Chem, Shanghai 200237, Peoples R ChinaE China Univ Sci & Technol, Key Lab Adv Mat, Shanghai 200237, Peoples R China
机构:
E China Univ Sci & Technol, Key Lab Adv Mat, Shanghai 200237, Peoples R China
E China Univ Sci & Technol, Inst Fine Chem, Shanghai 200237, Peoples R ChinaE China Univ Sci & Technol, Key Lab Adv Mat, Shanghai 200237, Peoples R China
Cai, Shengyun
;
Hu, Xiaohao
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E China Univ Sci & Technol, Key Lab Adv Mat, Shanghai 200237, Peoples R China
E China Univ Sci & Technol, Inst Fine Chem, Shanghai 200237, Peoples R ChinaE China Univ Sci & Technol, Key Lab Adv Mat, Shanghai 200237, Peoples R China
Hu, Xiaohao
;
Zhang, Zhiyun
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E China Univ Sci & Technol, Key Lab Adv Mat, Shanghai 200237, Peoples R China
E China Univ Sci & Technol, Inst Fine Chem, Shanghai 200237, Peoples R ChinaE China Univ Sci & Technol, Key Lab Adv Mat, Shanghai 200237, Peoples R China
Zhang, Zhiyun
;
Su, Jianhua
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E China Univ Sci & Technol, Key Lab Adv Mat, Shanghai 200237, Peoples R China
E China Univ Sci & Technol, Inst Fine Chem, Shanghai 200237, Peoples R ChinaE China Univ Sci & Technol, Key Lab Adv Mat, Shanghai 200237, Peoples R China
Su, Jianhua
;
Li, Xin
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h-index: 0
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E China Univ Sci & Technol, Key Lab Adv Mat, Shanghai 200237, Peoples R China
E China Univ Sci & Technol, Inst Fine Chem, Shanghai 200237, Peoples R ChinaE China Univ Sci & Technol, Key Lab Adv Mat, Shanghai 200237, Peoples R China
Li, Xin
;
Islam, Ashraful
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h-index: 0
机构:
Natl Inst Mat Sci, Photovolta Mat Unit, Tsukuba, Ibaraki, JapanE China Univ Sci & Technol, Key Lab Adv Mat, Shanghai 200237, Peoples R China
Islam, Ashraful
;
Han, Liyuan
论文数: 0引用数: 0
h-index: 0
机构:
Natl Inst Mat Sci, Photovolta Mat Unit, Tsukuba, Ibaraki, JapanE China Univ Sci & Technol, Key Lab Adv Mat, Shanghai 200237, Peoples R China
Han, Liyuan
;
Tian, He
论文数: 0引用数: 0
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机构:
E China Univ Sci & Technol, Key Lab Adv Mat, Shanghai 200237, Peoples R China
E China Univ Sci & Technol, Inst Fine Chem, Shanghai 200237, Peoples R ChinaE China Univ Sci & Technol, Key Lab Adv Mat, Shanghai 200237, Peoples R China