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Energy Express

Energy Express

  • Editor: Bernard Kippelen
  • Vol. 18, Iss. S3 — Sep. 13, 2010
  • pp: A357–A365

Effects of bifunctional linker on the performance of P3HT/CdSe quantum dot-linker-ZnO nanocolumn photovoltaic device

Tsung-Wei Zeng, I-Shuo Liu, Fang-Chi Hsu, Kuo-Tung Huang, Hsuieh-Chung Liao, and Wei-Fang Su  »View Author Affiliations


Optics Express, Vol. 18, Issue S3, pp. A357-A365 (2010)
http://dx.doi.org/10.1364/OE.18.00A357


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Abstract

We study the effects of bifunctional linker on the photovoltaic properties of P3HT/CdSe quantum dot-linker-ZnO nanocolumn heterostructure. The CdSe quantum dots are bound on the surface of ZnO nanocolumns through either aliphatic linker of 3-aminopropyl trimethoxysilane(APS) or aromatic linker of p-aminophenyl trimethoxysilane(APhS) using simple solution process. As compared to CdSe bound by aliphatic linker(APS), while CdSe is bound by aromatic linker(APhS), more than one fold increase of short circuit current density (JSC) of the device obtained under irradiance, which is attributed to a more efficient charge transfer dynamics at interface. In addition, the ZnO-APhS-CdSe/P3HT devices possess about 4.8 folds in power conversion efficiency as compared to ZnO/P3HT device as the results of reduction in shunt loss and interfacial recombination.

© 2010 OSA

OCIS Codes
(000.0000) General : General
(000.2700) General : General science

ToC Category:
Photovoltaics

History
Original Manuscript: June 16, 2010
Revised Manuscript: July 27, 2010
Manuscript Accepted: August 2, 2010
Published: August 6, 2010

Citation
Tsung-Wei Zeng, Shuo Liu, Fang-Chi Hsu, Kuo-Tung Huang, Hsuieh-Chung Liao, and Wei-Fang Su, "Effects of bifunctional linker on the performance of P3HT/CdSe quantum dot-linker-ZnO nanocolumn photovoltaic device," Opt. Express 18, A357-A365 (2010)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-S3-A357


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