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Guang Pu Xue Yu Guang Pu Fen Xi. 2012 Oct;32(10):2593-6.

[All wavelength picosecond fluorescent anisotropy of aligned MEH-PPV/PVP electrospun fibers].

[Article in Chinese]

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  • 1Department of Physics, State Key Laboratory for Mesoscopic Physics, Peking University, Beijing 100871, China.


Electrospinning is a simple and effect technology which can produce continuous nanofibers. We get aligned electrospun nanofibers successfully by using parallel electrodes. We report our studies on transient fluorescence of aligned electrospun fibers. The fibers are excited and their fluorescences are observed both at axial and radial polarization. Steady-state PL spectra shows radial emission blue-shift more than axial! emission, due to weakened aggregation of molecular chains in radial direction. At all emission wavelength, radial emission excitons migrate faster than axial emission excitons.

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