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1. (WO2014204945) MULTI-LAYER COMPOUND PRECURSOR WITH CUSE THERMAL CONVERSION TO CU2-XSE FOR TWO-STAGE CIGS SOLAR CELL ABSORBER SYNTHESIS

Pub. No.:    WO/2014/204945    International Application No.:    PCT/US2014/042714
Publication Date: Thu Dec 25 00:59:59 CET 2014 International Filing Date: Wed Jun 18 01:59:59 CEST 2014
IPC: H01L 21/36
Applicants: HELIOVOLT CORPORATION
Inventors: SANG, Baosheng
LU, Dingyuan
MILLER, Roy, M.
MARTINEZ, Casiano, R.
STASNBERY, Billy, J.
Title: MULTI-LAYER COMPOUND PRECURSOR WITH CUSE THERMAL CONVERSION TO CU2-XSE FOR TWO-STAGE CIGS SOLAR CELL ABSORBER SYNTHESIS
Abstract:
Fabricating a layered precursor includes depositing a first film including a first indium gallium selenide compound on a substrate; then depositing a second film including a first CuSe compound; then heating the substrate, the first film and the second film to convert the first CuSe compound in the second film to a first Cu2-xSe (0=