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Effect the orientation of porous silicon on solar cells performance

W. J. AZIZ1,* , A. RAMIZY1, K. IBRAHIM1, K. OMAR1, Z. HASSAN1

Affiliation

  1. Nano-Optoelectronics Research and Technology Laboratory, School of Physics, Universiti Sains Malaysia, 11800 USM, Penang, Malaysia

Abstract

The solar cells have been fabricated based on porous silicon with N (111) and N (100) which prepared by electrochemical etching with an electrolyte solution HF: ethanol in the ratio of 1:3 Surface morphology and structural properties of nanostructures were characterized by using scanning electron microscopy (SEM) .Optical reflectance was obtained by using optical reflectometer. I-V characterizations were studied with 80 mW/cm2 illumination conditions. Porous silicon N(100) revealed as excellent anti-reflection coating versus incident light when it is compare to porous silicon N(111) antireflection coating as well as it is given a good light-trapping of wide wavelength spectrum, which could be produced a high efficiency solar cells.

Keywords

Porous silicon, Solar cells, High efficiency, Doping type, Orientation.

Citation

W. J. AZIZ, A. RAMIZY, K. IBRAHIM, K. OMAR, Z. HASSAN, Effect the orientation of porous silicon on solar cells performance, Optoelectronics and Advanced Materials - Rapid Communications, 3, 12, December 2009, pp.1368-1370 (2009).

Submitted at: Nov. 17, 2009

Accepted at: Nov. 23, 2009