Optimization of Processing and Modeling Issues for Thin Film Solar Cell Devices Including Concepts for the Development of Polycrystalline Multijunctions Annual Subcontract Report, 24 August 1999 - 23 August 2000
This report describes the results achieved during Phase I of a three-phase subcontract to develop and understand thin-film solar cell technology associated with CuInSe2 and related alloys, a-Si and its alloys, and CdTe. Modules based on all these thin films are promising candidates to meet DOE long-range efficiency, reliability, and manufacturing cost goals. The critical issues being addressed under this program are intended to provide the science and engineering basis for developing viable commercial processes and to improve module performance. The generic research issues addressed are: (1) quantitative analysis of processing steps to provide information for efficient commercial-scale equipment design and operation; (2) device characterization relating the device performance to materials properties and process conditions; (3) development of alloy materials with different bandgaps to allow improved device structures for stability and compatibility with module design; (4) development of improved window/heterojunction layers and contacts to improve device performance and reliability; and (5) evaluation of cell stability with respect to illumination, temperature, and ambient, and with respect to device structure and module encapsulation.
- Research Organization:
- National Renewable Energy Lab. (NREL), Golden, CO (United States)
- Sponsoring Organization:
- US Department of Energy (US)
- DOE Contract Number:
- AC36-99GO10337
- OSTI ID:
- 789345
- Report Number(s):
- NREL/SR-520-30922; TRN: US200202%%125
- Resource Relation:
- Other Information: PBD: 14 Nov 2001
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
ALLOYS
EFFICIENCY
ENCAPSULATION
ILLUMINANCE
MANUFACTURING
OPTIMIZATION
PERFORMANCE
RELIABILITY
SOLAR CELLS
STABILITY
THIN FILMS
PV
THIN FILM SOLAR CELL
SCALE EQUIPMENT DESIGN AND OPERATION
EFFUSION ANALYSIS
X-RAY DIFFRACTION
SEQUENTIAL EVAPORATION
POLYCRYSTALLINE MULTIJUNCTIONS