Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/86539
Title: Thin Film Silicon Nanowire/PEDOT:PSS Hybrid Solar Cells with Surface Treatment
Authors: Wang, Hao
Wang, Jianxiong
Hong, Lei
Tan, Yew Heng
Tan, Chuan Seng
Rusli
Keywords: Hybrid solar cell
Si nanowires
Issue Date: 2016
Source: Wang, H., Wang, J., Hong, L., Tan, Y. H., Tan, C. S., & Rusli. (2016). Thin Film Silicon Nanowire/PEDOT:PSS Hybrid Solar Cells with Surface Treatment. Nanoscale Research Letters, 11, 311-.
Series/Report no.: Nanoscale Research Letters
Abstract: SiNW/PEDOT:PSS hybrid solar cells are fabricated on 10.6-μm-thick crystalline Si thin films. Cells with Si nanowires (SiNWs) of different lengths fabricated using the metal-catalyzed electroless etching (MCEE) technique have been investigated. A surface treatment process using oxygen plasma has been applied to improve the surface quality of the SiNWs, and the optimized cell with 0.7-μm-long SiNWs achieved a power conversion efficiency (PCE) of 7.83 %. The surface treatment process is found to remove surface defects and passivate the SiNWs and substantially improve the average open circuit voltage from 0.461 to 0.562 V for the optimized cell. The light harvesting capability of the SiNWs has also been investigated theoretically using optical simulation. It is found that the inherent randomness of the MCEE SiNWs, in terms of their diameter and spacing, accounts for the excellent light harvesting capability. In comparison, periodic SiNWs of comparable dimensions have been shown to exhibit much poorer trapping and absorption of light.
URI: https://hdl.handle.net/10356/86539
http://hdl.handle.net/10220/44099
ISSN: 1931-7573
DOI: 10.1186/s11671-016-1527-1
Rights: © 2016 The Author(s). Open Access This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:EEE Journal Articles

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