Paper Title:
Study of TNT Sensor Based on Fluorescence Quenching of Conjugated Polymer MEH-PPV
  Abstract

A nitro aromatic explosives sensor based on fluorescence quenching was studied in this paper. U-shaped plastic optical fiber was used as sensor head and light emitting conjugated polymer MEH-PPV as fluorescence indictor. The light source was modulated sinusoidal to eliminate the external light disturbance. TNT quenching characteristics of fluorescence intensity were measured; When TNT concentration was lower than 10mg/ml, the relationship between fluorescence intensity and TNT concentration was linearly, when TNT concentration was higher than 10mg/100ml the obtained characteristics showed deviation from linear relation described by Stern-Volmer equation.

  Info
Periodical
Edited by
Qi Luo
Pages
2688-2692
DOI
10.4028/www.scientific.net/AMM.58-60.2688
Citation
F. H. Chu, L. Ye, J. Q. Zhang, B. S. Yang, M. Zhao, D. Z. Huang, S. H. Zhen, "Study of TNT Sensor Based on Fluorescence Quenching of Conjugated Polymer MEH-PPV", Applied Mechanics and Materials, Vols. 58-60, pp. 2688-2692, 2011
Online since
June 2011
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