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Proceedings Paper

Optical properties enhancement in low-bandgap organic solar cells with embedded PEDOT:PSS gratings
Author(s): Xiaolong Zhu; Chuihui Duan; Wallace C. H. Choy; Fengxian Xie; Chuandao Wang; Fei Huang; Yong Cao
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Paper Abstract

Typically, most low bandgap materials have low absorption with wavelength at around 500 nm. Besides, the restrictions of active layer thickness of thin film organic solar cells (OSCs) make the devices reduce to absorb light in long wavelength region (around 700 nm). As absorption would be a joint effect of material band properties and optical structures, well-designed light-trapping strategies for these low-bandgap PSCs will be more useful to further enhance efficiencies. We investigate the change of optical properties and device performances of organic solar cells based on our newly synthesized low-bandgap material with embedded poly-(3,4-ethylenedioxythiophene): poly(styrenesulfonate) PEDOT:PSS grating in the photoactive bulk heterojunction layer.

Paper Details

Date Published: 13 September 2012
PDF: 5 pages
Proc. SPIE 8477, Organic Photovoltaics XIII, 847710 (13 September 2012); doi: 10.1117/12.929518
Show Author Affiliations
Xiaolong Zhu, The Univ. of Hong Kong (Hong Kong, China)
Chuihui Duan, South China Univ. of Technology (China)
Wallace C. H. Choy, The Univ. of Hong Kong (Hong Kong, China)
Fengxian Xie, The Univ. of Hong Kong (Hong Kong, China)
Chuandao Wang, The Univ. of Hong Kong (Hong Kong, China)
Fei Huang, South China Univ. of Technology (China)
Yong Cao, South China Univ. of Technology (China)

Published in SPIE Proceedings Vol. 8477:
Organic Photovoltaics XIII
Zakya H. Kafafi; Christoph J. Brabec; Paul A. Lane, Editor(s)

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