ZnSe:Eu 양자점의 표면결함이 광학특성에 미치는 영향
(주)코리아스칼라
- 최초 등록일
- 2023.04.05
- 최종 저작일
- 2016.10
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서지정보
ㆍ발행기관 : 한국분말야금학회
ㆍ수록지정보 : 한국분말야금학회지 / 23권 / 5호
ㆍ저자명 : 정다운, 박지영, 서한욱, 임경묵, 성태연, 김범성
목차
Abstract
1. 서 론
2. 실험방법
3. 결과 및 고찰
4. 결 론
References
영어 초록
Quantum dots (QDs) are capable of controlling the typical emission and absorption wavelengths because of the bandgap widening effect of nanometer-sized particles. These phosphor particles have been used in optical devices, photovoltaic devices, advanced display devices, and several biomedical complexes. In this study, we synthesize ZnSe QDs with controlled surface defects by a heating-up method. The optical properties of the synthesized particles are analyzed using UV-visible and photoluminescence (PL) measurements. Calculations indicate nearly monodisperse particles with a size of about 5.1 nm at 260℃ (full width at half maximum = 27.7 nm). Furthermore, the study results confirm that successful doping is achieved by adding Eu3+ preparing the growth phase of the ZnSe:Eu QDs when heating-up method. Further, we investigate the correlation between the surface defects and the luminescent properties of the QDs.
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