Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 2013-09-01

Time resolved spectroscopy and gain studies of Fullerenes C60 and C70.

Darakhshan Qaiser, Mohd Shahid Khan, R D Singh, Zahid H Khan

文献索引：Spectrochim. Acta. A. Mol. Biomol. Spectrosc. 113 , 400-7, (2013)

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摘要

The fluorescence decay time of Fullerenes C60 and C70 in pure form as well as in mixture with Coumarin C440 and Quinizarine dyes are studied. Results indicate that the decay of pure fullerenes is constant throughout the solute concentration and it is also independent of excitation wavelength, whereas in the case of mixture with dyes different behavior is noticed. We have also calculated the Stern-Volmer quenching constant and optical gain of both the fullerenes from which it is found that the optical gain is positive for Fullerene C70 only in a very narrow range of concentration. Copyright © 2013 Elsevier B.V. All rights reserved.

相关化合物

  • 足球烯
  • 香豆素
  • 富勒烯C70

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