| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 4956958 | Optical Fiber Technology | 2017 | 5 Pages |
Abstract
The performance of plastic optical fiber sensors in detecting nitro aromatic explosives 1,4-dinitrobenzene (DNB) have been investigated by fluorescence spectroscopy and analyzed by using fluorescence quenching technique. The plastic optical fiber utilized is 90 degrees cut tip and dip-coated with conjugated polymer MEH-PPV poly[2-methoxy-5-(2-ethylhexyloxy)-1,4-phenylenevinylene] thin films for detection conjugants. The thicknesses of the MEH-PPV coating were varied to improvise the sensitivity whilst slowly reducing the fluorescence intensity. It was shown that fluorescence intensity from thinner film decreased by (82% in 40Â s) in the presence of DNB signifying an improvement of 28% reduction with time 13Â s less than that of the thicker film.
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Authors
A.M. Yusufu, A.S.M. Noor, N. Tamchek, Z.Z. Abidin,