Indium-tin-oxide nanorods for efficient light trapping in polymer solar cells

In this study, a wet chemical method of etching indium-tin-oxide (ITO) nanorods from commercially available ITO-coated glass is proposed and its applicability to polymer solar cells (PSCs) is validated. The ITO nanorods can be fabricated within a few minutes using the proposed method. The ITO-nanoro...

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Bibliographic Details
Published in:RSC advances 2014-01, Vol.4 (58), p.30881-30886
Main Authors: Chao, Yu-Chiang, Zhan, Fu-Min, Li, Husan-De
Format: Article
Language:English
Subjects:
Electrodes
Energy conversion efficiency
Etching
Flats
Incident light
Nanorods
Photovoltaic cells
Solar cells
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Summary:In this study, a wet chemical method of etching indium-tin-oxide (ITO) nanorods from commercially available ITO-coated glass is proposed and its applicability to polymer solar cells (PSCs) is validated. The ITO nanorods can be fabricated within a few minutes using the proposed method. The ITO-nanorod-based PSCs show 67% and 46% improvement in short-circuit current density and power conversion efficiency, respectively, compared with devices based on flat ITO electrodes. The enhanced performance is related to the anti-reflection and light-scattering properties of ITO nanorods, which enhance incident light intensity and light-trapping properties.
ISSN:2046-2069
2046-2069
DOI:10.1039/C4RA03119A