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Issue 4, 2014
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Highly efficient porphyrin-sensitized solar cells with enhanced light harvesting ability beyond 800 nm and efficiency exceeding 10%

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Abstract

A new porphyrin sensitizer, LD31, was designed based on a donor–π–acceptor structure, in which an ethynyl-anthracenyl moiety was inserted between the dioctylaminophenyl group and the porphyrin core in order to extend the π-conjugation of the dye for improved light-harvesting ability. The device made of LD31 exhibited panchromatic spectral features covering the whole visible region and further extending over 800 nm. When combined with an organic dye (AN-4), the performance of the LD31/AN-4 co-sensitized device attained JSC/mA cm−2 = 20.3, VOC/mV = 704, FF = 0.72, and the overall efficiency of power conversion η = 10.3%.

Graphical abstract: Highly efficient porphyrin-sensitized solar cells with enhanced light harvesting ability beyond 800 nm and efficiency exceeding 10%

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Article information


Submitted
25 Dec 2013
Accepted
30 Jan 2014
First published
30 Jan 2014

Energy Environ. Sci., 2014,7, 1392-1396
Article type
Communication

Highly efficient porphyrin-sensitized solar cells with enhanced light harvesting ability beyond 800 nm and efficiency exceeding 10%

C. Wang, J. Hu, C. Wu, H. Kuo, Y. Chang, Z. Lan, H. Wu, E. Wei-Guang Diau and C. Lin, Energy Environ. Sci., 2014, 7, 1392
DOI: 10.1039/C3EE44168G

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