期刊
JOURNAL OF PHYSICAL CHEMISTRY LETTERS
卷 4, 期 14, 页码 2264-2268出版社
AMER CHEMICAL SOC
DOI: 10.1021/jz4010569
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资金
- Center for Energy Efficient Materials
- Office of Basic Energy Sciences of the U.S. Department of Energy [DE-DC0001009]
- AFOSR [FA9550-11-1-0063]
The effects of fundamental uncertainty present a compelling rationale for a highly delocalized photoexcitation on ultrafast time scales. This delocalized photoexcitation enables an immediate probability of charge-transfer over distances compatible with the uncertainty principle. We perform transient absorption measurements on organic bulk heterojunction solar cells to investigate charge-transfer dynamics in a variety of materials. A startling generality emerges indicating that the majority of charge carriers are generated at times within the temporal resolution of our instrument (similar to 100 fs).
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