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    Triplet energies of pi-conjugated polymers.

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    Authors
    Monkman, A P
    Burrows, H D
    Hartwell, L J
    Horsburgh, L E
    Hamblett, Ian
    Navaratnam, S
    Affiliation
    Department of Physics, University of Durham, Durham, United Kingdom.
    Issue Date
    2001-02-12
    
    Metadata
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    Abstract
    Using pulse radiolysis and triplet energy transfer has enabled us to measure the triplet energies in a broad range of different pi-conjugated polymers. In all cases we find that the 1 (3)B(u) is of order 0.6 to 1 eV below the 1 (1)B(u), indicative of localized triplet states with strong electron-electron correlation. We also observe that the 1 (1)A(g)-1 (3)B(u) gap decreases linearly as the 1 (1)A(g)-1 (1)B(u) gap decreases even though polymers with very different structure have been studied. This surprising result suggests that polymers with singlet gap <1.3 eV will have a triplet ground state.
    Citation
    Triplet energies of pi-conjugated polymers. 2001, 86 (7):1358-61 Phys. Rev. Lett.
    Journal
    Physical Review Letters
    URI
    http://hdl.handle.net/10541/85610
    DOI
    10.1103/PhysRevLett.86.1358
    PubMed ID
    11178083
    Type
    Article
    Language
    en
    ISSN
    0031-9007
    ae974a485f413a2113503eed53cd6c53
    10.1103/PhysRevLett.86.1358
    Scopus Count
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    All Paterson Institute for Cancer Research

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