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Issue 9, 2015
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High-efficiency dye-sensitized solar cells with molecular copper phenanthroline as solid hole conductor

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Abstract

Copper phenanthroline complexes in the solid phase can act as efficient molecular hole transporting material (HTM) for hybrid solar cells. We prepared solid-state dye-sensitized solar cells with the organic dye LEG4 and bis(2,9-dimethyl-1,10-phenanthroline)copper(I/II) (Cu(dmp)2) and achieved power conversion efficiencies of more than 8% under 1000 W m−2 AM1.5G illumination, with open-circuit potentials of more than 1.0 V. The successful application of a copper-complex based HTM paves the way for low-cost and efficient hybrid solar cells, as well as for other opto-electronic devices.

Graphical abstract: High-efficiency dye-sensitized solar cells with molecular copper phenanthroline as solid hole conductor

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Supplementary files

Article information


Submitted
17 Apr 2015
Accepted
03 Jun 2015
First published
03 Jun 2015

Energy Environ. Sci., 2015,8, 2634-2637
Article type
Communication

High-efficiency dye-sensitized solar cells with molecular copper phenanthroline as solid hole conductor

M. Freitag, Q. Daniel, M. Pazoki, K. Sveinbjörnsson, J. Zhang, L. Sun, A. Hagfeldt and G. Boschloo, Energy Environ. Sci., 2015, 8, 2634
DOI: 10.1039/C5EE01204J

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