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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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Anionic and upper-excited fluorescence of C-60 encapsulated in Y zeolitic nanocavity

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Title
Anionic and upper-excited fluorescence of C-60 encapsulated in Y zeolitic nanocavity
Author
Kwon, Oh HoonYoo, HPark, KTu, BRyoo, RJang, DJ
Issue Date
2001-05
Publisher
AMER CHEMICAL SOC
Citation
JOURNAL OF PHYSICAL CHEMISTRY B, v.105, no.19, pp.4195 - 4199
Abstract
C60 inserted into a Y zeolitic nanocavity shows anomalous upper-excited fluorescence as well as anionic and normal fluorescence. The intercalation of C60 into the supercage of the zeolite has been confirmed by measuring 129XE NMR spectra while the formation of ̇C60 - has been identified by measuring its ESR spectrum. Time-resolved fluorescence spectra show that the upper-excited fluorescence has the maximum intensity at 450 nm and decays in 28 ps to give birth to the normal fluorescence with the maximum at 750 nm. The normal one decays on the time scale of 1700 ps, while the anionic fluorescence with the maximum intensity at 770 nm has a shorter lifetime of 170 ps.
URI
https://scholarworks.unist.ac.kr/handle/201301/8717
URL
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=0035902340
DOI
10.1021/jp0043625
ISSN
1520-6106
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CHM_Journal Papers
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