Molecular versus exciton diffusion in fluorescence-based explosive vapour sensors

被引:14
作者
Ali, M. A. [1 ,2 ]
Geng, Y. [1 ,2 ]
Cavaye, H. [1 ,2 ]
Burn, P. L. [1 ,2 ]
Gentle, I. R. [1 ,2 ]
Meredith, P. [1 ,3 ]
Shaw, P. E. [1 ,2 ]
机构
[1] Univ Queensland, Ctr Organ Photon & Elect, Brisbane, Qld 4072, Australia
[2] Univ Queensland, Sch Chem & Mol Biosci, Brisbane, Qld 4072, Australia
[3] Univ Queensland, Sch Math & Phys, Brisbane, Qld 4072, Australia
基金
澳大利亚研究理事会;
关键词
DENDRIMER FILMS; POLYMER SENSORS; TRACE DETECTION; POLYFLUORENE; PHASE; TNT;
D O I
10.1039/c5cc06367a
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The diffusion of p-nitrotoluene vapours into polymer or dendrimer sensing films follows Super Case II dynamics in which the quenching efficiency is strongly correlated to an accelerating analyte front propagating through the neat film rather than being reliant on exciton diffusion.
引用
收藏
页码:17406 / 17409
页数:4
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