Recent emergence of photon upconversion based on triplet energy migration in molecular assemblies

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    Abstract

    An emerging field of triplet energy migration-based photon upconversion (TEM-UC) is reviewed. Highly efficient photon upconversion has been realized in a wide range of chromophore assemblies, such as non-solvent liquids, ionic liquids, amorphous solids, gels, supramolecular assemblies, molecular crystals, and metal-organic frameworks (MOFs). The control over their assembly structures allows for unexpected air-stability and maximum upconversion quantum yield at weak solar irradiance that has never been achieved by the conventional molecular diffusion-based mechanism. The introduction of the "self-assembly" concept offers a new perspective in photon upconversion research and triplet exciton science, which show promise for numerous applications ranging from solar energy conversion to chemical biology.

    Original languageEnglish
    Pages (from-to)5354-5370
    Number of pages17
    JournalChemical Communications
    Volume52
    Issue number31
    DOIs
    Publication statusPublished - 2016

    All Science Journal Classification (ASJC) codes

    • Catalysis
    • Electronic, Optical and Magnetic Materials
    • Ceramics and Composites
    • Chemistry(all)
    • Surfaces, Coatings and Films
    • Metals and Alloys
    • Materials Chemistry

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