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2018 Vol.28, Issue 10 Preview Page
The Effects of Sodium Doping on the Electrical Properties of the Cu2ZnSn(S,Se)4 (CZTSSe) Solar Cells

용액법을 이용한 나트륨 도핑에 따른 Cu2ZnSnSe4 (CZTSSe) 박막의 합성 및 특성 평가

Hongjae Shim1
,
Jihun Kim1
,
MyungGil Gang1
,
Jinhyeok Kim1†
심 홍재1
,
김 지훈1
,
강 명길1
,
김 진혁1†
1Department of Materials Science and Engineering, Chonnam National University 300 Yongbong-Dong, Puk-Gu, Gwangju 500-757, Republic of Korea
1신소재공학과, 광전자융합기술연구소, 전남대학교
†Corresponding author E-Mail : jinhyeok@chonnam.ac.kr (J. H. Kim, Chonnam Nat’l Univ.)
October 2018. pp. 564-569
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Abstract

Cu2ZnSn(S,Se)4 (CZTSSe) films were prepared on Mo coated soda lime glass substrates by sulfo-selenization of sputtered stacked Zn-Sn-Cu(CZT) precursor films. The precursor was dried in a capped state with aqueous NaOH solution. The CZT precursor films were sulfo-selenized in the S + Se vapor atmosphere. Sodium was doped during the sulfo-selenization treatment. The effect of sodium doping on the structural and electrical properties of the CZTSSe thin films were studied using FE-SEM(field-emission scanning electron microscopy), XRD(X-ray diffraction), XRF(X-ray fluorescence spectroscopy), dark current, SIMS(secondary ion mass spectrometry), conversion efficiency. The XRD, XRF, FE-SEM, Dark current, SIMS and cell efficiency results indicated that the properties of sulfo-selenized CZTSSe thin films were strongly related to the sodium doping. Further detailed analysis and discussion for effect of sodium doping on the properties CZTSSe thin films will be discussed.

Keywords
CZTSSe
CZTS
sodium
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Information
  • Publisher :Materials Research Society of Korea
  • Publisher(Ko) :한국재료학회
  • Journal Title :Korean Journal of Materials Research
  • Journal Title(Ko) :한국재료학회지
  • Volume : 28
  • No :10
  • Pages :564-569
  • Received Date : 2018-07-17
  • Revised Date : 2018-09-05
  • Accepted Date : 2018-09-05
  • DOI :https://doi.org/10.3740/MRSK.2018.28.10.564
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