Ag@zinc–tetraphenylporphyrin core–shell nanostructures with unusual thickness-tunable fluorescence

Xinke Zhang; Limin Fu; Junfeng Liu; Yun Kuang; Liang Luo; David G. Evans; Xiaoming Sun

doi:10.1039/C3CC37993K

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Chemical Communications

Issue 34, 2013

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Ag@zinc–tetraphenylporphyrin core–shell nanostructures with unusual thickness-tunable fluorescence

Xinke Zhang,^a Limin Fu,^b Junfeng Liu,^a Yun Kuang,^a Liang Luo,*^a David G. Evans^a and Xiaoming Sun*^a

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Corresponding authors

State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, P.O. Box 98, Beijing 100029, P. R. China
E-mail: luoliang@mail.buct.edu.cn

Department of Chemistry, Renmin University of China, Beijing 100872, P. R. China

Chem. Commun., 2013,49, 3513-3515

DOI: 10.1039/C3CC37993K
Received 05 Nov 2012, Accepted 25 Jan 2013
First published online 28 Jan 2013

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Ag@zinc–tetraphenylporphyrin (Ag@ZnTPP) core–shell nanostructures have been fabricated by in situ chemical deposition. Unusual thickness-dependent fluorescence allowed their colour to be tuned from blue to red by simply increasing the shell thickness from [similar] 2 nm to 9 nm. The competition between metal enhancement and the self-absorption effect of ZnTPP has been shown to be the main reason for this variation.