The effectiveness and stability of impurity/defect interactions and their impact on minority carrier lifetime. Annual subcontract report, 1 August 1990--31 July 1991
- North Carolina State Univ., Raleigh, NC (United States)
This report covers the investigation and understanding of electrical activity of ``clean`` and metallic impurity decorated defects. A heterostructure containing a controlled number of deliberately introduced misfit dislocations is used as a model system to simulate a variety of defect/impurity interactions in photovoltaic materials. In addition, a noncontact laser/microwave deep-level transient spectroscopy technique is applied to characterize the minority carrier lifetime and determine the energy levels of defects. 59 refs.
- Research Organization:
- National Renewable Energy Lab. (NREL), Golden, CO (United States); North Carolina State Univ., Raleigh, NC (United States)
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- AC02-83CH10093
- OSTI ID:
- 10106925
- Report Number(s):
- NREL/TP-214-4503; ON: DE92001172
- Resource Relation:
- Other Information: PBD: Dec 1991
- Country of Publication:
- United States
- Language:
- English
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