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Thin-film solar cell fabricated on a flexible metallic substrate

Patent ·
OSTI ID:1175763
; ;
A thin-film solar cell (10) is provided. The thin-film solar cell (10) comprises a flexible metallic substrate (12) having a first surface and a second surface. A back metal contact layer (16) is deposited on the first surface of the flexible metallic substrate (12). A semiconductor absorber layer (14) is deposited on the back metal contact. A photoactive film deposited on the semiconductor absorber layer (14) forms a heterojunction structure and a grid contact (24) deposited on the heterjunction structure. The flexible metal substrate (12) can be constructed of either aluminium or stainless steel. Furthermore, a method of constructing a solar cell is provided. The method comprises providing an aluminum substrate (12), depositing a semiconductor absorber layer (14) on the aluminum substrate (12), and insulating the aluminum substrate (12) from the semiconductor absorber layer (14) to inhibit reaction between the aluminum substrate (12) and the semiconductor absorber layer (14).
Research Organization:
National Renewable Energy Laboratory (NREL), Golden, CO (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC36-99GO10337
Assignee:
Midwest Research Institute (Kansas City, MO)
Patent Number(s):
7,053,294
Application Number:
10/480,880
OSTI ID:
1175763
Country of Publication:
United States
Language:
English

References (6)

Substrate and back contact effects in CIGS devices on steel foil
  • Batchelor, W. K.; Beck, M. E.; Huntington, R.
  • Conference Record of the Twenty-Ninth IEEE Photovoltaic Specialists Conference 2002, Conference Record of the Twenty-Ninth IEEE Photovoltaic Specialists Conference, 2002. https://doi.org/10.1109/PVSC.2002.1190665
conference January 2002
Band-gap engineering in Cu(In,Ga) Se2 thin films grown from (In,Ga)2Se3 precursors journal June 1996
AFM, micro-PL, and PV analyses of CuIn/sub 1-x/Ga/sub x/S/sub 2/ thin films solar cells on stainless steel foil
  • Dhere, N. G.; Ghongadi, S. R.; Pandlt, M. B.
  • Conference Record of the Twenty-Ninth IEEE Photovoltaic Specialists Conference 2002, Conference Record of the Twenty-Ninth IEEE Photovoltaic Specialists Conference, 2002. https://doi.org/10.1109/PVSC.2002.1190719
conference January 2002
Flexible and light weight substrates for Cu(In,Ga)Se/sub 2/ solar cells and modules
  • Hartmann, M.; Schmidt, M.; Jasenek, A.
  • 28th IEEE Photovoltaic Specialists Conference, Conference Record of the Twenty-Eighth IEEE Photovoltaic Specialists Conference - 2000 (Cat. No.00CH37036) https://doi.org/10.1109/PVSC.2000.915924
conference January 2000
Superstrate-type CuInSe/sub 2/ thin film solar cells with selenide buffer layers conference January 1996
Deposition of smooth Cu(In,Ga)Se 2 films from binary multilayers journal February 2000

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Related Subjects

14 SOLAR ENERGY