Journal of New Technology and Materials
Volume 6, Numéro 2, Pages 81-86
2016-12-30
Numerical Modelling Of Boron Diffusion For Micro-pyramidal Textured N-type Silicon
Authors : Lachachi Hanane . Zerga Abdellatif . Benabadji Batoul .
Abstract
The formation of the emitter is considered as a crucial technological sequence during the manufacture of solar cells the thermal diffusion from a solid source in acylindrical quartz tube constitutes the most widely know and used technique for the formation of the emitter. Indeed, doping of n-type silicon with boron diffusion allows the formation of the p+ emitter. This distribution is often difficult in terms of homogeneity to control and requires adequate detailed understanding of physical phenomena in order to optimize the best profile of dopant diffusion. However, this work is dedicated to the optimization of boron diffusion profile by investigating the effects of temperature and time diffusion on the planar and textured. A comparison with the experimental profile measured by SIMS (Spectroscopy Secondary Ion Mass) was performed. The differences between planar and textured surface are discussed.
Keywords
Crystalline silicon solar cells; Boron emitter; Doping profile; N-type silicon; Texturing
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