Investigations of the optical properties of Si surface with microwires for solar cell applications

doi:10.1088/1674-1056/25/2/028401

Abstract Combined with the rough textures which are usually used for fabricating the planar solar cells, textured-microwire (MW) structures (there are MW textures on the tops of MWs) are fabricated. Both simulative and experimental investigations of the optical properties of Si surface with microwires are carried out and the results show that surfaces of textured-MW structures exhibit lower reflectance in the short wavelength range, but higher reflectance in the long wavelength range than the conventional textured surface. It is also shown, consequently, that the textured-MW structures could absorb more photons in the short wavelength range, which could help improve the performance of the solar cells.

Keywords: microstructure reflectivity silicon solar energy

Received: 25 June 2015
Revised: 22 October 2015
Accepted manuscript online:

PACS:	84.60.Jt	(Photoelectric conversion)
	81.65.Cf	(Surface cleaning, etching, patterning)
	78.67.-n	(Optical properties of low-dimensional, mesoscopic, and nanoscale materials and structures)

Fund: Project supported by the National Natural Science Foundation of China (Grant Nos. U1332205, 11274153, 11204124, and 11404091).

Corresponding Authors: Feng-Ming Zhang
E-mail: fmzhang@nju.edu.cn

Cite this article:

Li Li(郦莉), Shi-Liang Wu(吴仕良), Dong Yu(虞栋), Wei Wang(王伟), Wen-Chao Liu(刘文超), Xiao-Shan Wu(吴小山), Feng-Ming Zhang(张凤鸣) Investigations of the optical properties of Si surface with microwires for solar cell applications 2016 Chin. Phys. B 25 028401

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Investigations of the optical properties of Si surface with microwires for solar cell applications

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