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Optical fiber technology v.39, 2017년, pp.21 - 25   SCI SCIE
본 등재정보는 저널의 등재정보를 참고하여 보여주는 베타서비스로 정확한 논문의 등재여부는 등재기관에 확인하시기 바랍니다.

MEH-PPV film thickness influenced fluorescent quenching of tip-coated plastic optical fiber sensors

Yusufu, A.M. (Department of Computer and Communication Systems Engineering, Faculty of Engineering, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia ) ; Noor, A.S.M. (Centre of Excellence for Wireless and Photonics Network, Faculty of Engineering, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia ) ; Tamchek, N. (Department of Physics, Faculty of Science, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia ) ; Abidin, Z.Z. (Department of Chemical and Environmental Engineering, Faculty of Engineering, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia ) ;
  • 초록  

    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 40s) in the presence of DNB signifying an improvement of 28% reduction with time 13s less than that of the thicker film. Highlights Presents cut tip plastic optical fiber sensors detecting nitroexplosive. The mechanism relies on fluorescence quenching properties of MEH-PPV polymer thin film. Fluorescence decrease with time was recorded by introducing DNB. Concentration of fluorophore interacting with DNB as related to volume was observed. The Stern-Volmer equations were used for the analysis.


  • 주제어

    Plastic optical fiber tip .   Film thickness .   Explosive .   Fluorescence quenching.  

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