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Issue 6, 2011
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Amplifying fluorescence sensing based on inverse opal photonic crystal toward trace TNT detection

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Abstract

A fluorescence-amplifying method based on photonic crystal (PC) has been demonstrated for trace TNT detection. The fluorescence enhancement for TNT detection on the optimized PC can be up to 60.6-fold in comparison to that of the control sample, which combines the slow photon effect of PC and large surface areas of the inverse opal structure. Furthermore, the quenching efficiency of the PC-based sensor achieves 80% after exposure to TNT vapor for 300 s. The results suggest that the fluorescence-amplifying method based on PC has enormous potential for the development of highly efficient fluorescence sensors toward detection of trace TNT or other explosives.

Graphical abstract: Amplifying fluorescence sensing based on inverse opal photonic crystal toward trace TNT detection

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Publication details

The article was received on 05 Aug 2010, accepted on 10 Nov 2010 and first published on 06 Dec 2010


Article type: Paper
DOI: 10.1039/C0JM02554B
J. Mater. Chem., 2011,21, 1730-1735

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    Amplifying fluorescence sensing based on inverse opal photonic crystal toward trace TNT detection

    H. Li, J. Wang, Z. Pan, L. Cui, L. Xu, R. Wang, Y. Song and L. Jiang, J. Mater. Chem., 2011, 21, 1730
    DOI: 10.1039/C0JM02554B

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