Title:
A Comprehensive Study of the Performance of Silicon Screen-Printed Solar Cells Fabricated with Belt Furnace Emitters

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dc.contributor.author Ebong, Abasifreke
dc.contributor.author Yelundur, Vijay
dc.contributor.author Upadhyaya, V.
dc.contributor.author Rounsaville, Brian
dc.contributor.author Upadhyaya, A. D.
dc.contributor.author Tate, K.
dc.contributor.author Rohatgi, Ajeet
dc.contributor.author Kalejs, Juris P.
dc.contributor.corporatename RWE Schott Solar, Inc.
dc.contributor.corporatename Georgia Institute of Technology. University Center of Excellence for Photovoltaic Research and Education
dc.date.accessioned 2008-12-09T20:44:36Z
dc.date.available 2008-12-09T20:44:36Z
dc.date.issued 2005-06
dc.description Presented at the 20th European Photovoltaic Solar Energy Conference and Exhibition, Barcelona, Spain; June 6-10, 2005. en
dc.description.abstract ABSTRACT: In this paper we report on the screen-printed solar cells fabricated on three types of silicon materials; float zone (FZ), HEM multicrystalline and EFG ribbon with POCl3 and belt furnace diffused emitters. The belt furnace diffused emitters involved one- and two-side phosphorus spin-on to assess the contaminating effect of the IR belt. The solar cells with POCl3 emitters and co-firing of screen-printed contacts produced efficiencies of 17.3% on FZ, 16.4% on HEM and 15.5% on EFG ribbon silicon. Solar cells with two-side phosphorus emitters diffused on the belt furnace, produced efficiencies of 17.2%, 16.0%, and 15.1%, respectively, on FZ, HEM and EFG ribbon silicon. However, appreciably lower efficiencies of 15.5%, 15.5%, and 14.1% were obtained, respectively, on FZ, HEM and EFG ribbon silicon for belt-diffused emitters with only one-side phosphorus spin-on with the other side on the belt. This difference in efficiency is reflected in Voc loss for the belt-diffused emitters compared to the POCl(3) emitter cells. The IQE measurements supported that solar cells with belt-diffused emitter with two-side phosphorus spin-on and POCl(3) emitter cells had comparable Jsc. However, the cell with phosphorus spin-on on one-side gave much lower IQE because of poor bulk lifetime or the contamination due to direct contact with the belt. These results indicate that the belt emitters can account for appreciable loss in the performance of the many current commercial cells; however, this loss can be regained by applying phosphorus dopant to both side of the wafer. en
dc.identifier.uri http://hdl.handle.net/1853/25929
dc.language.iso en_US en
dc.publisher Georgia Institute of Technology en
dc.subject Belt furnace emitters en
dc.subject Solar cells en
dc.subject Screen-printed solar cells en
dc.title A Comprehensive Study of the Performance of Silicon Screen-Printed Solar Cells Fabricated with Belt Furnace Emitters en
dc.type Text
dc.type.genre Proceedings
dspace.entity.type Publication
local.contributor.author Rohatgi, Ajeet
local.contributor.corporatename School of Electrical and Computer Engineering
local.contributor.corporatename College of Engineering
local.contributor.corporatename University Center of Excellence for Photovoltaics
relation.isAuthorOfPublication b7cc3b55-ebc6-42fd-b859-107fb271b10d
relation.isOrgUnitOfPublication 5b7adef2-447c-4270-b9fc-846bd76f80f2
relation.isOrgUnitOfPublication 7c022d60-21d5-497c-b552-95e489a06569
relation.isOrgUnitOfPublication 93ace8d3-7479-459e-b63d-27aff6118464
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