Use of lasers in the fabrication of high-efficiency silicon solar cells

Christiana Honsberg, M. A. Green

Research output: Chapter in Book/Report/Conference proceedingChapter

1 Scopus citations

Abstract

The laser grooved, buried contact approach appears to be the only practical way yet suggested of transferring recent improvements in bulk silicon laboratory cells into commercial practice. Close to 1 MW of high efficiency modules have now been produced using this improved technology. To apply the technology to polycrystalline silicon wafers, some form of surface texturing is desirable. Laser texturing has been investigated with good results. However, mechanical texturing would appear to have economic advantages. A rear junction structure also has advantages for polycrystalline substrates in cases where the diffusion length is only about the half the substrate thickness. Such structures have also been successfully implemented using the laser grooved approach. More recently, the laser grooved, buried contact approach has been adapted for use with thin film silicon layers deposited onto supporting substrates or superstrates. The strength of this approach lies in its compatibility with a parallel multijunction cell design.

Original languageEnglish (US)
Title of host publicationMaterials Science Forum
PublisherTrans Tech Publ
Pages311-318
Number of pages8
Volume173-174
Publication statusPublished - 1995
Externally publishedYes
EventProceedings of the 1st International Symposium on Semiconductor Processing and Characterization with Lasers - Stuttgart, Ger
Duration: Apr 18 1994Apr 20 1994

Other

OtherProceedings of the 1st International Symposium on Semiconductor Processing and Characterization with Lasers
CityStuttgart, Ger
Period4/18/944/20/94

    Fingerprint

ASJC Scopus subject areas

  • Materials Science(all)

Cite this

Honsberg, C., & Green, M. A. (1995). Use of lasers in the fabrication of high-efficiency silicon solar cells. In Materials Science Forum (Vol. 173-174, pp. 311-318). Trans Tech Publ.