화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Korean Journal of Materials Research, Vol.23, No.11, 613-619, November, 2013
DOI10.3740/MRSK.2013.23.11.613  Export Citation
황화 열처리 온도에 따른 Cu2ZnSn(S,Se)4 박막의 합성 및 특성 평가
Effect of Sulfurization Temperature on the Properties of Cu2ZnSn(S,Se)4 Thin Films
유영웅1, 2, 홍창우2, 강명길2, 신승욱3, 김영백1, 문종하2, 이영종3, 김진혁2, †
  • 1한국생산기술연구원 호남권지역본부 나노기술집적센터
  • 2전남대학교
  • 3KAIST
Yeong Yung Yoo1, 2, Chang woo Hong3, Myeng Gil Gang3, Seung Wook Shin4, Young baek Kim1, Jong-Ha Moon3, Yong Jeong Lee4, and Jin Hyoek Kim3, †
  • 1National Center for Nanoprocess and Equipments, Honam Local Division, Korea Institute of Industrial Technology, Gwangju 500-480, Korea
  • 2300 Yongbong-Dong, Puk-Gu, Gwangju 500-757, Korea, Chonnam National University
  • 3Chonnam National University, 300 Yongbong-Dong, Puk-Gu, Gwangju 500-757, Korea
  • 4Department of Materials Science and Engineering, KAIST, Daejeon 305-701, Korea
E-mail:
Cu2ZnSn(Sx,Se1-x)4 (CZTSSe) thin films were prepared by sulfurization of evaporated precursor thin films. Precursor was prepared using evaporation method at room temperature. The sulfurization was carried out in a graphite box with S powder at different temperatures. The temperatures were varied in a four step process from 520 oC to 580 oC. The effects of the sulfurization temperature on the micro-structural, morphological, and compositional properties of the CZTSSe thin films were investigated using X-ray diffraction (XRD), Raman spectra, field emission scanning electron microscopy (FE-SEM), and transmission electron microscopy (TEM). The XRD and Raman results showed that the sulfurized thin films had a single kesterite crystal CZTSSe. From the FE-SEM and TEM results, the Mo(Sx,Se1-x)2 (MoSSe) interfacial layers of the sulfurized CZTS thin films were observed and their thickness was seen to increase with increasing sulfurization temperature. The microstructures of the CZTSSe thin films were strongly related to the sulfurization temperatures. The voids in the CZTSSe thin films increased with the increasing sulfurization temperature.
Keywords:kesterite;CZTSSe;sulfurization;microstrucuture
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