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Issue 9, 2016
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Proton switching as a driving force for the metal–organic complex-mediated growth of gold colloids

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Abstract

A mono-protonated (bis(4′-(4-pyridyl)-2,2′:6′,2′′-terpyridine)iron(II)) complex [[Fe(ptpy)(Hptpy)](PF6)3] acts as a structure directing agent for larger gold colloids in the present investigation. We report here a H-bonded [Fe(ptpy)(Hptpy)](PF6)3 complex acting as an inter-linker for the complex-mediated growth of gold nanoparticles. This exploration discusses the possibility of proton switching in [Fe(ptpy)(Hptpy)](PF6)3, which can interconvert the oxidation state of Fe between +2 and +3 at the interface of citrate-capped gold nanoparticles, enabling the complex-mediated growth of geometry-specific, large size gold colloids.

Graphical abstract: Proton switching as a driving force for the metal–organic complex-mediated growth of gold colloids

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Article information


Submitted
02 May 2016
Accepted
21 Jun 2016
First published
21 Jun 2016

New J. Chem., 2016,40, 7431-7436
Article type
Paper

Proton switching as a driving force for the metal–organic complex-mediated growth of gold colloids

G. V. Jacob, S. Sutradhar and A. Patnaik, New J. Chem., 2016, 40, 7431
DOI: 10.1039/C6NJ01380E

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