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Title: Research on Stable, High-Efficiency Amorphous Silicon Multijunction Modules, Annual Subcontract Report, 1 January 1992 - 28 February 1993

Technical Report ·
DOI:https://doi.org/10.2172/10176431· OSTI ID:10176431

This report describes the progress made during Phase 2 of the R&D program to obtain high-efficiency amorphous alloy multijunction PV (photovoltaic) modules. The highlight of the work includes: (1) demonstration of world-record small-area efficiency of 11.2% after one-sun light-soaking at 50{degrees}C for 600 h using a dual band gap, double-junction structure; and (2) demonstration of initial module efficiency of 10.6% over 0.09-m{sup 2} (1-ft{sup 2}) area using the same double-junction approach. In addition, fundamental studies on material properties and cell performance have shown an interesting correlation between microstructure in the material and cell efficiency both in the initial and light-degraded conditions.

Research Organization:
National Renewable Energy Lab. (NREL), Golden, CO (United States)
Sponsoring Organization:
USDOE Office of Energy Efficiency and Renewable Energy (EERE)
DOE Contract Number:
AC36-08GO28308
OSTI ID:
10176431
Report Number(s):
NREL/TP-411-5654; ON: DE93010046; TRN: 93:002882
Resource Relation:
Other Information: PBD: Jul 1993
Country of Publication:
United States
Language:
English