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Multimolecular assemblies on high surface area metal oxides and their role in interfacial energy and electron transfer

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Abstract

High surface area metal oxides offer a unique substrate for the assembly of multiple molecular components at an interface. The choice of molecules, metal oxide, and the nature of the assembly method can have a profound influence on the mechanism, rate, and efficiency of photoinduced energy and electron transfer events at the interface. Owing to their diversity and high level of control, these interfacial assemblies are of interest for numerous applications including solar energy conversion, photoelectrosynthesis, photo-writable memory, and more. Although these assemblies are generated with very different goals in mind, they rely on similar surface binding motifs and molecular structure–property relationships. Therefore, the goal of this review is to summarize the various strategies (i.e. co-deposition, axial coordination, metal ion linkages, electrostatics, host–guest interactions, etc.) for assembling chromophores, hosts, electron donors/acceptors, and insulating co-adsorbent molecules on mesoporous metal oxide substrates. The assembly, synthesis, and characterization, as well as subsequent photoinduced events (i.e. cross-surface energy/electron transfer, interchromophore energy transfer, electron injection, and others) are discussed for the various assembly strategies.

Graphical abstract: Multimolecular assemblies on high surface area metal oxides and their role in interfacial energy and electron transfer

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Publication details

The article was received on 01 Aug 2017 and first published on 22 Sep 2017


Article type: Review Article
DOI: 10.1039/C7CS00565B
Citation: Chem. Soc. Rev., 2017, Advance Article
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    Multimolecular assemblies on high surface area metal oxides and their role in interfacial energy and electron transfer

    J. C. Wang, S. P. Hill, T. Dilbeck, O. O. Ogunsolu, T. Banerjee and K. Hanson, Chem. Soc. Rev., 2017, Advance Article , DOI: 10.1039/C7CS00565B

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