Spectroscopy and Spectral Analysis, Volume. 32, Issue 10, 2593(2012)

All Wavelength Picosecond Fluorescent Anisotropy of Aligned MEH-PPV/PVP Electrospun Fibers

CHEN Jia-long*, GAO Guang-yu, CHU Sai-sai, WANG Shu-feng, and GONG Qi-huang
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    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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    CHEN Jia-long, GAO Guang-yu, CHU Sai-sai, WANG Shu-feng, GONG Qi-huang. All Wavelength Picosecond Fluorescent Anisotropy of Aligned MEH-PPV/PVP Electrospun Fibers[J]. Spectroscopy and Spectral Analysis, 2012, 32(10): 2593

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    Paper Information

    Received: May. 9, 2012

    Accepted: --

    Published Online: Nov. 22, 2012

    The Author Email: Jia-long CHEN (chenjial@pku.edu.cn)

    DOI:10.3964/j.issn.1000-0593(2012)10-2593-04

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