期刊
JOURNAL OF CHEMICAL PHYSICS
卷 152, 期 4, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.5135307
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资金
- U.S. Department of Energy (DOE) [DE-AC36-08GO28308]
- Solar Photochemistry Program of the U.S. Department of Energy, Office of Basic Energy Sciences, Division Chemical Sciences, Biosciences, and Geosciences
Molecular dimers, oligomers, and polymers are versatile components in photophysical and optoelectronic architectures that could impact a variety of applications. We present a perspective on such systems in the field of singlet fission, which effectively multiplies excitons and produces a unique excited state species, the triplet pair. The choice of chromophore and the nature of the attachment between units, both geometrical and chemical, play a defining role in the dynamical scheme that evolves upon photoexcitation. Specific final outcomes (e.g., separated and uncorrelated triplet pairs) are being sought through rational design of covalently bound chromophore architectures built with guidance from recent fundamental studies that correlate structure with excited state population flow kinetics.
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