Dye-sensitised semiconductors modified with molecular catalysts for light-driven H2 production

Janina Willkomm, Katherine L. Orchard, Anna Reynal, Ernest Pastor, James R. Durrant, Erwin Reisner

    Research output: Contribution to journalReview articlepeer-review

    93 Citations (Scopus)
    115 Downloads (Pure)


    The development of synthetic systems for the conversion of solar energy into chemical fuels is a research goal that continues to attract growing interest owing to its potential to provide renewable and storable energy in the form of a 'solar fuel'. Dye-sensitised photocatalysis (DSP) with molecular catalysts is a relatively new approach to convert sunlight into a fuel such as H2 and is based on the self-assembly of a molecular dye and electrocatalyst on a semiconductor nanoparticle. DSP systems combine advantages of both homogenous and heterogeneous photocatalysis, with the molecular components providing an excellent platform for tuning activity and understanding performance at defined catalytic sites, whereas the semiconductor bridge ensures favourable multi-electron transfer kinetics between the dye and the fuel-forming electrocatalyst. In this tutorial review, strategies and challenges for the assembly of functional molecular DSP systems and experimental techniques for their evaluation are explained. Current understanding of the factors governing electron transfer across inorganic-molecular interfaces is described and future directions and challenges for this field are outlined.

    Original languageEnglish
    Pages (from-to)9-23
    Number of pages15
    JournalChemical Society Reviews
    Issue number1
    Publication statusPublished - 19 Nov 2015


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