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Proceedings Paper

PEDOT:PSS-free Au nanocluster treated graphene as transparent anode for organic solar cells
Author(s): Di Zhang; Wallace C. H. Choy; Hongwei Zhu
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Paper Abstract

In this work, we focus on introducing an alternative approach to realize transparent graphene anodes. We report the use of very thin thermally evaporated gold (Au) nanoclusters with proper UVO treatments to facilitate efficient hole collection at graphene electrodes, which significantly benefits device performance while avoiding issues arising from PEDOT:PSS. We will investigate the effects of Au thickness and UVO treatments for optimizing device performance. Ultraviolet photoemission spectroscopy (UPS) is conducted to further analyze the WF shift at the graphene/polymer interface modified by UVO-treated Au.

Paper Details

Date Published: 13 September 2012
PDF: 4 pages
Proc. SPIE 8477, Organic Photovoltaics XIII, 84771D (13 September 2012); doi: 10.1117/12.929505
Show Author Affiliations
Di Zhang, The Univ. of Hong Kong (Hong Kong, China)
Wallace C. H. Choy, The Univ. of Hong Kong (Hong Kong, China)
Hongwei Zhu, Tsinghua Univ. (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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