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Issue 48, 2014
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Data mining with molecular design rules identifies new class of dyes for dye-sensitised solar cells

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Abstract

A major deficit in suitable dyes is stifling progress in the dye-sensitised solar cell (DSC) industry. Materials discovery strategies have afforded numerous new dyes; yet, corresponding solution-based DSC device performance has little improved upon 11% efficiency, achieved using the N719 dye over two decades ago. Research on these dyes has nevertheless revealed relationships between the molecular structure of dyes and their associated DSC efficiency. Here, such structure–property relationships have been codified in the form of molecular dye design rules, which have been judiciously sequenced in an algorithm to enable large-scale data mining of dye structures with optimal DSC performance. This affords, for the first time, a DSC-specific dye-discovery strategy that predicts new classes of dyes from surveying a representative set of chemical space. A lead material from these predictions is experimentally validated, showing DSC efficiency that is comparable to many well-known organic dyes. This demonstrates the power of this approach.

Graphical abstract: Data mining with molecular design rules identifies new class of dyes for dye-sensitised solar cells

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Publication details

The article was received on 16 Jun 2014, accepted on 24 Jun 2014 and first published on 24 Jun 2014


Article type: Communication
DOI: 10.1039/C4CP02645D
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Citation: Phys. Chem. Chem. Phys., 2014,16, 26684-26690
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    Data mining with molecular design rules identifies new class of dyes for dye-sensitised solar cells

    J. M. Cole, K. S. Low, H. Ozoe, P. Stathi, C. Kitamura, H. Kurata, P. Rudolf and T. Kawase, Phys. Chem. Chem. Phys., 2014, 16, 26684
    DOI: 10.1039/C4CP02645D

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