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Fluorous molecules for dye-sensitized solar cells: synthesis and properties of di-branched, di-anchoring organic sensitizers containing fluorene subunits

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Abstract

Four organic sensitizers having a di-branched molecular structure D–(π–A)2 (D = para-substituted arylamine, π = 9,9-dibutylfluorene, A = cyanoacrylic acid) were synthesized, characterized, and applied in the development of dye-sensitized solar cells (DSSCs). It was found that the nature of the para-substituent affects the behavior of these sensitizers. In particular, the introduction of a C11 linear fluorous alkoxy group led to an improvement in the power conversion efficiency with respect to the commonly employed nonfluorous alkoxy substituents.

Graphical abstract: Fluorous molecules for dye-sensitized solar cells: synthesis and properties of di-branched, di-anchoring organic sensitizers containing fluorene subunits

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Publication details

The article was received on 05 May 2017, accepted on 24 Jun 2017 and first published on 26 Jun 2017


Article type: Paper
DOI: 10.1039/C7NJ01516J
Citation: New J. Chem., 2017, Advance Article
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    Fluorous molecules for dye-sensitized solar cells: synthesis and properties of di-branched, di-anchoring organic sensitizers containing fluorene subunits

    I. Pecnikaj, D. Minudri, L. Otero, F. Fungo, M. Cavazzini, S. Orlandi and G. Pozzi, New J. Chem., 2017, Advance Article , DOI: 10.1039/C7NJ01516J

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