Macromolecular Research, Vol.20, No.2, 212-215, February, 2012
Preparation of Tunable Emissive Poly(ethylene oxide) Nanofibers by Doping with TPP and DCM
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Poly(ethylene oxide) (PEO) nanofibers that were doubly-doped with a donor, 1,3,5-triphenyl-2-pyrzoline (TPP), and an acceptor, 4-(dicyanomethylene)-2-methyl-6-(p-dimethyl-aminostyryl)-4H-pyran (DCM), were prepared by electrospinning to be 200-300 nm in diameter. Fluorescence from DCM was caused by non-radiative Forster-type fluorescence resonance energy transfer from photo-excited TPP to DCM. The color of the fluorescence from the PEO-TPP/DCM nanofibers was controllable through variation of the TPP:DCM molar ratio and ranged from blue to orange to white.
Keywords:poly(ethylene oxide) (PEO);1,3,5-triphenyl-2-pyrzoline;DCM;tunable emissive nanofiber;electrospinning.
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