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Optical Characterization of Cu2ZnSnSe4 grown by thermal co-evaporation
- Park, Doyoung;
- Nam, Dahyun;
- Cheong, Hyeonsik;
- Jung, Sunghun;
- Ahn, SeJin;
- 외 3명
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1초록
Raman scattering and photoluminescence on Cu2ZnSnSe4 thin films grown by thermal co-evaporation were performed. The photoluminescence spectrum shows a peak below 1.0 eV. The Raman spectra of Cu2ZnSnSe4 show two main peaks at 170, 192-195 cm(-1) and additional Raman mode at 260 cm(-1), which is ascribed to the Cu2-xSe phase. The lateral distribution of the Cu2-xSe phase in Cu2ZnSnSe4 thin films is investigated by scanning micro-Raman scattering. In Cu-rich samples, the distribution of the Cu2-xSe phase is found to be uneven.
키워드
Cu2ZnSnSe4; Raman spectroscopy; photoluminescence
- 제목
- Optical Characterization of Cu2ZnSnSe4 grown by thermal co-evaporation
- 저자
- Park, Doyoung; Nam, Dahyun; Cheong, Hyeonsik; Jung, Sunghun; Ahn, SeJin; Gwak, Jihye; Yoon, Kyunghoon; Yun, Jae Ho
- 발행일
- 2011
- 유형
- Proceedings Paper
- 저널명
- AIP Conference Proceedings
- 권
- 1399