期刊
JOURNAL OF MATERIALS CHEMISTRY C
卷 2, 期 18, 页码 3521-3526出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3tc32191f
关键词
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资金
- CUHK Group Research Scheme
- CUHK Focused Scheme B [4053068]
- Hong Kong Baptist University [FRG2/12- 13/050, FRG1/ 13- 14/022]
- University Grants Committee, Hong Kong [AoE/P- 03/08]
- Hong Kong Research Grants Council [HKBU203011]
- Science, Technology and Innovation Committee of Shenzhen Municipality [JCYJ20120829154440583]
- Areas of Excellence Scheme
We report efficient panchromatic light harvesting by co-adsorption of a porphyrin molecule and N719 in dye-sensitized solar cells. The cosensitized device shows a considerably enhanced power conversion efficiency of 8.89%, while those individually sensitized by porphyrin and N719 display efficiencies of 7.21% and 8.02%, respectively. The porphyrin-sensitized device shows strong photocurrent generation in the Soret and Qbands, while N719 shows efficient spectral response in the 500-600 nm range; the combination of these two kinds of dye molecules displays a strong spectral response in the full-colour region. Mechanistic investigations are carried out by various spectral and electrochemical characterizations.
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