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논문 기본 정보
- 자료유형
- 학술대회자료
- 저자정보
- 발행연도
- 2021.11
- 수록면
- 68 - 73 (6page)
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Room temperature strong luminescence of CdS quantum dot in a waveguide sol gel matrix synthesized with 3-(trimethoxysilyl)propyl methacrylate (TMSPM) doped with 15 wt. % of zirconium was observed. The viscosity of the waveguide sol gel was drastically increased in initial hydrolysis step and slow down thereafter. The UV-visible spectrum shifted to the blue with the increase of the Cd<SUP>2+</SUP> concentration after H₂S exposure implying the hydrogen bond and dangling bond formation near by the CdS nanocrystals due to the excess amount of H₂S for the low concentration of Cd<SUP>2+</SUP>. Luminescence intensity increased as the time passed after H2S exposure. The band gap energy also increased with the time, which indicated that the extra amount of H2S gas evaporated in the sol gel matrix and apparent quantum dot size decreased due to the reduction of hydrogen bond and dangling bond around the CdS quantum dot.
목차
Abstract
1. Introduction
2. Experimental
3. Result and discussion
4. Conclusions
References
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