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Preparation of Tunable Emissive Poly(ethylene oxide) Nanofibers by Doping with TPP and DCM
Lianji Zhang,이연식,Dongri Zhang,Sumei Zhan,Peipei Yang,Guixia Yang,Zonghao Huang 한국고분자학회 2012 Macromolecular Research Vol.20 No.2
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.