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Issue 30, 2006
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Improved efficiency of photovoltaics based on CdSe nanorods and poly(3-hexylthiophene) nanofibers

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Abstract

We present photovoltaic devices based on a blend of the conjugated polymer poly(3-hexylthiophene) (P3HT) with cadmium selenide nanorods, where the solvent for film deposition has been carefully chosen to optimize the film morphology. Using 1,2,4-trichlorobenzene (TCB), which has a high boiling point, as solvent for P3HT it is possible to obtain a fibrilar morphology, providing extended pathways for hole transport. Blend devices fabricated using this solvent gave solar power conversion efficiencies of 2.6%. This indicates that efficient transport of electrons and holes is achieved in these films, allowing them to operate effectively at solar illumination intensities.

Graphical abstract: Improved efficiency of photovoltaics based on CdSe nanorods and poly(3-hexylthiophene) nanofibers

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Publication details

The article was received on 31 Mar 2006, accepted on 17 May 2006 and first published on 30 May 2006


Article type: Paper
DOI: 10.1039/B604734N
Citation: Phys. Chem. Chem. Phys., 2006,8, 3557-3560
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    Improved efficiency of photovoltaics based on CdSe nanorods and poly(3-hexylthiophene) nanofibers

    B. Sun and N. C. Greenham, Phys. Chem. Chem. Phys., 2006, 8, 3557
    DOI: 10.1039/B604734N

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