Journal of the Optical Society of Korea

  • 제1권1호
  • /
  • Pages.15-18
  • /
  • 1997
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  • 1226-4776(pISSN)
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  • 2093-6885(eISSN)
한국광학회 (Optical Society of Korea)
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Intensity-dependent dynamics of photoinduced absorption in CdS0.4/Se0.6 semiconductor doped glasses

  • Seo, Jung-Chul (Spectroscopy Group, Korea Research Institute of Standards and Science) ;
  • Kim, Dong-Ho (Spectroscopy Group, Korea Research Institute of Standards and Science) ;
  • Kong, Hong-Jin (Department of Physis, Korea Advanced Institute of Science and Technology)
  • 투고 : 1997.01.27
  • 발행 : 1997.03.01
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초록

Intensity dependent dynamics of photoinduced absorption in $CdS_{0.4}$/$Se_{0.6}$ semiconductor doped glasses below the band gap was investigated by using time-resolved differential transmittance spectroscopy. The carriers populated through ultrafast trapping at semiconductor-glass interfaces give rise to a broad photoinduced absorption below the band gap. The decay time of transient absorption depends strongly on the excitation intensity. Based on our results, the physical mechanism for photoinduced absorption processes was suggested.

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피인용 문헌

  1. Dynamics and Bleaching of Ground State in CdSe/ZnS Quantum Dots vol.10, pp.4, 2006, https://doi.org/10.3807/JOSK.2006.10.4.184