Laser-assisted selective emitters and the role of laser doping

Published: August 1, 2009

By Finlay Colville, Director of Solar Marketing, Coherent, Inc.

Laser doping is discussed often in relation to silicon photovoltaic cell efficiency enhancement. However, the specific use of lasers for dopant diffusion falls within a broader category of ‘Laser-Assisted Selective Emitters’. Understanding the benefits enabled by laser tools here is important not just in explaining what laser doping is, but why laser processing features in most selective emitter concepts.

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