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Kwon, Oh Hoon
Ultrafast Laser Spectroscopy and Nano-microscopy (ULSaN Lab)
Research Interests
  • Femtochemistry/biology, 4D electron microscopy, structural dynamics, materials phenomena

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Photoluminescence dynamics and spectra of C-60 and C-60(-) in VPI-5 molecular cages

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Title
Photoluminescence dynamics and spectra of C-60 and C-60(-) in VPI-5 molecular cages
Author
Kwon, Oh HoonPark, KJang, DJ
Keywords
EXCITED-STATE PROPERTIES; LIGHT EMISSION; FULLERENE C-60; ZEOLITE; SIEVE; C60; BUCKMINSTERFULLERENE; CONFINEMENT; SUPERCAGES; FILMS
Issue Date
2001-10
Publisher
ELSEVIER SCIENCE BV
Citation
CHEMICAL PHYSICS LETTERS, v.346, no.3-4, pp.195 - 200
Abstract
C60 incorporated in VPI-5 nanochannels shows anomalous upper-excited and anionic, as well as normal, fluorescence. The upper-excited fluorescence has the maximum at 440 nm and decays in 13 ps to give birth to the normal fluorescence having the maximum at 730 nm. The latter has the lifetime of 1400 ps, whereas the anionic fluorescence having the maximum at 760 nm decays on the timescale of 110 ps. Confinement effect in VPI-5 molecular nanocages brings in the formation of C60 - having a narrow ESR linewidth. It also increases the oscillator strength and fluorescence lifetimes of C60 and C60 -.
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DOI
10.1016/S0009-2614(01)00967-8
ISSN
0009-2614
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PHY_Journal Papers
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