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Title: | Progress in Cleaning and Wet Processing for Kesterite Thin Film Solar Cells | Authors: | VERMANG, Bart Mule, Aniket Gampa, Nikhil Sahayaraj, Sylvester Ranjbar, Samaneh BRAMMERTZ, Guy MEURIS, Marc POORTMANS, Jef |
Issue Date: | 2016 | Publisher: | Trans Tech Publications Ltd | Source: | Mertens, Paul W.; Meuris, Marc; Heyns, Marc (Ed.). Ultra Clean Processing of Semiconductor Surfaces XIII, Trans Tech Publications Ltd,p. 348-353 | Series/Report: | Solid State Phenomena | Series/Report no.: | 255 | Abstract: | Copper indium gallium selenide/sulfide (CIGS) and copper zinc tin selenide/sulfide (CZTS) are two thin film photovoltaic materials with many similar properties. Therefore, three new processing steps - which are well-known to be beneficial for CIGS solar cell processing - are developed, optimized and implemented in CZTS solar cells. For all these novel processing steps an increase in minority carrier lifetime and cell conversion efficiency is measured, as compared to standard CZTS processing. The scientific explanation of these effects is very similar to its CIGS equivalent: the incorporation of alkali metals, ammonium sulfide surface cleaning, and Al2O3 surface passivation leads to electrical enhancement of the CZTS bulk, front surface and reduced front interface recombination, respectively. | Notes: | Vermang, B (reprint author), IMEC, Div IMOMEC, Partner Solliance, Diepenbeek, Belgium bart.vermang@imec.be | Keywords: | photovoltaics; PV; thin film; kesterite; CZTS; wet processing; alkali; surface; cleaning; etching; passivation; chalcopyrite; CIGS | Document URI: | http://hdl.handle.net/1942/23999 | ISBN: | 9783035710847 | DOI: | 10.4028/www.scientific.net/SSP.255.348 | ISI #: | 000400820000062 | Rights: | © 2016 Trans Tech Publications, Switzerland | Category: | C1 | Type: | Proceedings Paper | Validations: | ecoom 2018 |
Appears in Collections: | Research publications |
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vermang2016.pdf Restricted Access | Published version | 1.04 MB | Adobe PDF | View/Open Request a copy |
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