NDLI: Cu(InGa)Se2 photovoltaics on insulated Stainless Steel Web substrate

Content Provider	IEEE Xplore Digital Library
Author	Eser, E. Fields, S. Kim, W.K. McQuiston, E. Kihwan Kim Shafarman, W.N.
Copyright Year	2010
Description	Author affiliation: Institute of Energy Conversion, University of Delaware, Newark, 19716, USA (Eser, E.; Fields, S.; Kihwan Kim; Shafarman, W.N.) \|\| Dow Corning Corp., Building DC-4, Auburn, MI, 48611, USA (McQuiston, E.) \|\| School of Display and Chemical Engineering, Yeungnam University, 712-749 Korea (Kim, W.K.)
Abstract	This paper presents data on the use of Stainless Steel (SS) foils, coated with 3 to 5µm silicone based resin (SBR) developed by Dow Corning Corporation (DCC) for Cu(InGa)Se based PV devices. The substrate validation was performed by the device performances on R2R deposited Cu(InGa)Se via elemental evaporation and, to a limited extent, on Cu(InGa)Se films from metal precursor selenization. Initially, it is shown that a 430SS base is preferred to others due to a better thermal expansion match to Cu(InGa)Se. The SBR-coated SS was found to be an excellent substrate in terms of (i) the adhesion of Mo and Cu(InGa)Se films, (ii) its surface smoothness, and (iii) its operational stability up to 600 °C. Na was introduced into the R2R deposition process by co-evaporating NaF during deposition. Presence of Na in the films was determined by SIMS depth profiling. The highest small area device performance from R2R deposition was 15.2%. In addition, 9ft and 29ft long 8″ wide Cu(InGa)Se webs fabricated in the reactor showed machine direction center line, and efficiencies that averaged more than 10%. Precursor selenization process gave the highest efficiency of 12.3% with 10nm NaF deposited on the SBR or on the precursors. Work on developing monolithically integrated 3″×3″ mini-modules has been initiated. Encouraging results were obtained in laser scribing the Mo back contact.
Starting Page	000661
Ending Page	000666
File Size	2324557
Page Count	6
File Format	PDF
ISBN	9781424458905
ISSN	01608371
e-ISBN	9781424458929
DOI	10.1109/PVSC.2010.5616883
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-06-20
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Content Type	Text
Resource Type	Article
Subject	Industrial and Manufacturing Engineering Control and Systems Engineering Electrical and Electronic Engineering

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