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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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Publication details

The article was received on 17 Apr 2015, accepted on 03 Jun 2015 and first published on 03 Jun 2015


Article type: Communication
DOI: 10.1039/C5EE01204J
Citation: Energy Environ. Sci., 2015,8, 2634-2637
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    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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