Dependence of Polymer Hybrid Photovoltaic Performance on Donor-Acceptor Morphology
Conference
·
OSTI ID:943993
In this paper, we present our experimental and numerical studies on polymer-polymer and polymer-inorganic hybrid photovoltaic cells as the donor-acceptor morphology evolves from sharply defined layers, to partial blends and finally homogeneous blends. Results are compared for polyphenylene-vinylene (PPV) polymer donors and a variety of electron accepting materials, including CN-ether PPV, PCBM, and titanium dioxide. We show that optimal device performance is achieved by combining blended and layered structures and by tuning exciton generation rate position by controlling thickness.
- Research Organization:
- National Renewable Energy Lab. (NREL), Golden, CO (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC36-99-GO10337
- OSTI ID:
- 943993
- Resource Relation:
- Conference: [Proceedings] 2006 IEEE 4th World Conference on Photovoltaic Energy Conversion (WCPEC-4), 7-12 May 2006, Waikoloa, Hawaii
- Country of Publication:
- United States
- Language:
- English
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