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Proceedings Paper

Preparation of graphene/polymer composite photocathode for QDSSC
Author(s): Qiandi Wang; Yue Shen; Jie Tan; Kai Xu; Tan Shen; Meng Cao; Feng Gu; Linjun Wang
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Paper Abstract

Graphene (rGO) was fabricated by modified Hummers method and a reducing process. Conductive polymer/graphene films were obtained by scalpel technology and used as photocathode in CdS quantum dot-sensitized solar cell (QDSSC). Polymers used in this paper were ethyl cellulose (EC), polyphenyl vinyl (PPV) and polyvinyl butyral (PVB), respectively. The obtained composite films were investigated by X-ray diffraction, Raman spectroscopy technology and scanning electron microscope (SEM). The photoelectric properties of QDSSCs were tested under AM 1.5 irradiation. Test results show that the film performance of the EC/rGO and PPV/rGO photocathode have been improved effectively. Power conversion efficiency (PCE) of the relative QDSSCs under AM 1.5 irradiation were 0.81% and 0.86%, respectively.

Paper Details

Date Published: 16 December 2013
PDF: 6 pages
Proc. SPIE 9068, Eighth International Conference on Thin Film Physics and Applications, 90680P (16 December 2013); doi: 10.1117/12.2053846
Show Author Affiliations
Qiandi Wang, Shanghai Univ. (China)
Yue Shen, Shanghai Univ. (China)
Jie Tan, Shanghai Univ. (China)
Kai Xu, Shanghai Univ. (China)
Tan Shen, Shanghai Univ. (China)
Meng Cao, Shanghai Univ. (China)
Feng Gu, Shanghai Univ. (China)
Linjun Wang, Shanghai Univ. (China)

Published in SPIE Proceedings Vol. 9068:
Eighth International Conference on Thin Film Physics and Applications
Junhao Chu; Chunrui Wang, Editor(s)

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