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Issue 43, 2018
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Singlet fission in self-assembled PDI nanocrystals

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Abstract

Upon photoexcitation, self-assembled PDI nanocrystals (S1S0) in the form of rods of 70 nm width and 1 μm length are subject to a symmetry breaking charge separation (SBCS) as the first step in the singlet fission (SF) sequence. Hereby, the correlated pair of triplet excited states 1(T1T1) is formed with a quantum yield of 122%. Decoherence and triplet diffusion within the nanocrystals affords a long-lived, uncorrelated pair of triplet excited states (T1 + T1) with a quantum yield of 24%.

Graphical abstract: Singlet fission in self-assembled PDI nanocrystals

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Publication details

The article was received on 23 May 2018, accepted on 21 Aug 2018 and first published on 31 Aug 2018


Article type: Paper
DOI: 10.1039/C8NR04155E
Citation: Nanoscale, 2018,10, 20147-20154
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    Singlet fission in self-assembled PDI nanocrystals

    C. Schierl, A. Niazov-Elkan, L. J. W. Shimon, Y. Feldman, B. Rybtchinski and D. M. Guldi, Nanoscale, 2018, 10, 20147
    DOI: 10.1039/C8NR04155E

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