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https://hdl.handle.net/10356/97137
Title: | Surface nanostructure optimization for GaAs solar cell application | Authors: | Hong, Lei Rusli Yu, Hongyu Wang, Xincai Wang, Hao Zheng, Hongyu |
Keywords: | DRNTU::Engineering::Electrical and electronic engineering | Issue Date: | 2012 | Source: | Hong, L., Rusli, Yu, H., Wang, X., Wang, H., & Zheng, H. (2012). Surface Nanostructure Optimization for GaAs Solar Cell Application. Japanese Journal of Applied Physics, 51. | Series/Report no.: | Japanese journal of applied physics | Abstract: | Numerical simulation of optical absorption characteristics of gallium arsenide (GaAs) thin-film solar cells by the three-dimensional finite element method is presented, with emphasis on optimizing geometric parameters for nanowire and nanocone structures to maximize the ultimate photocurrent under AM1.5G illumination. The nanostructure-based GaAs thin-film solar cells have demonstrated a much higher photocurrent than the planar thin films owing to their much suppressed reflection and high light trapping capability. The nanowire structure achieves its highest ultimate photocurrent of 29.43 mA/cm2 with a periodicity (P) of 300 nm and a wire diameter of 180 nm. In contrast, the nanocone array structure offers the best performance with an ultimate photocurrent of 32.14 mA/cm2. The results obtained in this work provide useful guidelines for the design of high-efficiency nanostructure-based GaAs solar cells. | URI: | https://hdl.handle.net/10356/97137 http://hdl.handle.net/10220/11636 |
ISSN: | 0021-4922 | DOI: | 10.1143/JJAP.51.10ND13 | Rights: | © 2012 The Japan Society of Applied Physics. | Fulltext Permission: | none | Fulltext Availability: | No Fulltext |
Appears in Collections: | EEE Journal Articles |
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