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Enhanced photovoltaic performance of copper phthalocyanine by incorporation of polyoxometalate

Paper ID Volume ID Publish Year Pages File Format Full-Text
26638 43969 2013 6 PDF Available
Title
Enhanced photovoltaic performance of copper phthalocyanine by incorporation of polyoxometalate
Abstract

The improvement of the photoconversion efficiency has become a crucial issue for the utilization of organic semiconductors. Here we prepared a composite film of copper phthalocyanine (CuPc) and polyoxometalates (POMs) which displayed the enhanced photovoltaic performance. Especially, the photocurrent response and power conversion efficiency of CuPc/POMs composite film showed a 6-fold and a 10-fold increase, respectively, as compared to the single CuPc film. Based on the measurements of surface photovoltage technique, the enhanced photocurrent should be attributed to the occurrence of the photoinduced electron transfer between CuPc and POMs, which increases the dissociation of excited electron–hole pairs (excitons). Moreover, the CuPc/POMs composite film exhibited good photoelectrocatalytic performance for the oxidation of hydrazine. These results demonstrate that the incorporating of appropriate POMs into organic semiconductors is a promising route for developing and optimizing organic photovoltaic and photoelectrochemical devices.

Graphical abstract.Figure optionsDownload full-size imageDownload as PowerPoint slideHighlights► A film of copper phthalocyanine (CuPc) and polyoxometalate was prepared. ► The film displays higher photovoltaic performance than only CuPc. ► The polyoxometalate could reduce the electron–hole recombination in CuPc. ► The film exhibits good photoelectrocatalytic performance for hydrazine.

Keywords
Polyoxometalate; Copper phthalocyanine; Film; Photovoltaic property
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Photochemistry and Photobiology A: Chemistry - Volume 252, 15 January 2013, Pages 25–30
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us