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. 2014 Dec 10;9:666. doi: 10.1186/1556-276X-9-666

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© Ke et al.; licensee Springer. 2014

This article is published under license to BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited.

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Fluorescence spectra and fluorescence decay. (a) Fluorescence spectra corresponding to the samples in Figure 1a,b,c,d,e,f. Inset: Distance-dependent fluorescence enhancement factor of AuNRs@SiO₂-AlC₄Pc. (b) Fluorescence decay of AuNRs@SiO₂-AlC₄Pc with 10.6 nm shell thickness and free AlC₄Pc. The instrument response function (IRF) is included λ _em = 591 nm.