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Issue 6, 2016
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Optimizing molecule-like gold clusters for light energy conversion

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Abstract

Atomically precise gold clusters that are less than ∼1 nm in diameter are emerging as a new class of light absorbing material for harvesting solar energy. Herein, we explore the size dependent properties of glutathione-protected clusters, (Au25GSH18, Au18GSH14, Au15GSH13 and Au11GSH11) in sensitizing mesoscopic TiO2 films. The excited state properties of gold clusters are correlated with the photovoltaic performance of metal cluster sensitized solar cell. Au18GSH14 exhibit the highest photoconversion efficiency. The size dependent photovoltaic results are rationalized based on optimizing both the light absorption of the clusters as well as the size dependent excited state behavior.

Graphical abstract: Optimizing molecule-like gold clusters for light energy conversion

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Publication details

The article was received on 22 Sep 2015, accepted on 24 Dec 2015 and first published on 24 Dec 2015


Article type: Communication
DOI: 10.1039/C5TA07580G
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Citation: J. Mater. Chem. A, 2016,4, 2075-2081

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    Optimizing molecule-like gold clusters for light energy conversion

    K. G. Stamplecoskie and A. Swint, J. Mater. Chem. A, 2016, 4, 2075
    DOI: 10.1039/C5TA07580G

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