Optical control of multi-stage thin film solar cell production
Patent
·
OSTI ID:1253341
Embodiments include methods of depositing and controlling the deposition of a film in multiple stages. The disclosed deposition and deposition control methods include the optical monitoring of a deposition matrix to determine a time when at least one transition point occurs. In certain embodiments, the transition point or transition points are a stoichiometry point. Methods may also include controlling the length of time in which material is deposited during a deposition stage or controlling the amount of the first, second or subsequent materials deposited during any deposition stage in response to a determination of the time when a selected transition point occurs.
- Research Organization:
- National Renewable Energy Laboratory (NREL), Golden, CO (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC36-08GO28308
- Assignee:
- ALLIANCE FOR SUSTAINABLE ENERGY, LLC (Golden, CO)
- Patent Number(s):
- 9,343,378
- Application Number:
- 14/204,795
- OSTI ID:
- 1253341
- Resource Relation:
- Patent File Date: 2014 Mar 11
- Country of Publication:
- United States
- Language:
- English
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