期刊
ADVANCED MATERIALS
卷 25, 期 6, 页码 916-921出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201203021
关键词
piezoelectric polarization; quantum-dot photovoltaics; piezotronics
类别
资金
- DARPA [N66001-11-1-4139]
- National Science Foundation [DMR-0905914]
- UW-Madison graduate school
Piezoelectric polarization at the ZnO/PbS-quantum-dot (QD) interface can be used to engineer the heterojunction band structure and manipulate the width of the depletion region in the QD layer. This piezotronic modulation enhances charge extraction from the PbS QDs and improves the photovoltaic efficiency of depleted-heterojunction QD solar cells.
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