Articles with "exciton migration" as a keyword



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Rapid Exciton Migration and Amplified Funneling Effects of Multi-Porphyrin Arrays in a Re(I)/Porphyrinic MOF Hybrid for Photocatalytic CO2 Reduction.

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Published in 2021 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.0c19856

Abstract: A porphyrinic metal-organic framework (PMOF) known as PCN-222(Zn) was chemically doped with a molecular Re(I) catalyst-bearing carboxylate anchoring group to form a new type of metal-organic framework (MOF)-Re(I) hybrid photocatalyst. The porphyrinic MOF-sensitized hybrid (PMOF/Re)… read more here.

Keywords: co2 reduction; mof hybrid; migration; porphyrinic mof ... See more keywords
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Resolving ultrafast exciton migration in organic solids at the nanoscale.

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Published in 2017 at "Nature materials"

DOI: 10.1038/nmat4975

Abstract: Effectiveness of molecular-based light harvesting relies on transport of excitons to charge-transfer sites. Measuring exciton migration, however, has been challenging because of the mismatch between nanoscale migration lengths and the diffraction limit. Instead of using… read more here.

Keywords: migration organic; resolving ultrafast; ultrafast exciton; migration ... See more keywords
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Conformational Dynamics Guides Coherent Exciton Migration in Conjugated Polymer Materials: First-Principles Quantum Dynamical Study.

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Published in 2018 at "Physical review letters"

DOI: 10.1103/physrevlett.120.227401

Abstract: We report on high-dimensional quantum dynamical simulations of photoinduced exciton migration in a single-chain oligothiophene segment, in view of elucidating the controversial nature of the elementary exciton transport steps in semiconducting polymers. A novel first-principles… read more here.

Keywords: conformational dynamics; quantum dynamical; migration; exciton migration ... See more keywords