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Issue 6, 2014
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Hybrid organic–inorganic heterojunction solar cells with 12% efficiency by utilizing flexible film-silicon with a hierarchical surface

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Abstract

This paper reports an organic–inorganic hybrid solar cell with a hierarchical surface composed of high density silicon nanoholes and micro-desert textures. High-efficiency organic–inorganic hybrid solar cell Si/PEDOT–PSS with a hierarchical surface, showing a power conversion efficiency of 12%. The structure provides excellent light absorption over 97% for the spectral range of 300 to 1100 nm with a thickness of 60 μm due to internal multiple reflections caused by subwavelength features of high density silicon nanoholes and micro-desert textures. In addition, from the angle of incidence (AOI) observed, even at the large angle of 75°, the reflectance value still exhibits less than 1%. With the advantage of very thin silicon material and inexpensive processing, hybrid silicon/polymer solar cells are promising for various applications and thus could be an economically feasible alternative energy solution in the future.

Graphical abstract: Hybrid organic–inorganic heterojunction solar cells with 12% efficiency by utilizing flexible film-silicon with a hierarchical surface

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Supplementary files

Article information


Submitted
28 Nov 2013
Accepted
29 Dec 2013
First published
07 Jan 2014

Nanoscale, 2014,6, 3361-3366
Article type
Paper

Hybrid organic–inorganic heterojunction solar cells with 12% efficiency by utilizing flexible film-silicon with a hierarchical surface

S. Thiyagu, C. Hsueh, C. Liu, H. Syu, T. Lin and C. Lin, Nanoscale, 2014, 6, 3361
DOI: 10.1039/C3NR06323B

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