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2020 Vol.30, Issue 6 Preview Page
Characteristics of an AZO/Ag/AZO Transparent Conducting Electrode Fabricated by Magnetron Sputtering for Application in Cu2ZnSn(S,Se)4 (CZTSSe) Solar Cells

Cu2ZnSn(S,Se)4 (CZTSSe) 박막 태양전지 적용을 위한 마그네트론 스퍼터링으로 증착된 AZO/Ag/AZO 투명전극의 특성

Dong Min Lee1
,
Jun Sung Jang1
,
Jihun Kim3
,
InJae Lee1
,
Byeong Hoon Lee1
,
Eunae Jo1
,
Jin Hyeok Kim12†
이 동민1
,
장 준성1
,
김 지훈3
,
이 인재1
,
이 병훈1
,
조 은애1
,
김 진혁12†
1Department of Materials Science and Engineering, Chonnam National University, 77 Youngbong-ro, Buk-Gu, Gwangju 61186, Republic of Korea
2Optoelectronics Convergence Research Center, Chonnam National University, 77 Youngbong-ro, Buk-Gu, Gwangju 61186, Republic of Korea
3School of Integrated Technology, Gwangju Institute of Science and Technology, 123 Cheomdangwagi-ro, Buk-gu, Gwangju 61005, Republic of Korea
1전남대학교 신소재공학과
2전남대학교 광전자융합기술연구소
3광주과학기술원 전기전자컴퓨터공학부
†Corresponding author E-Mail : jinhyeok@chonnam.ac.kr (J. H. Kim, Chonnam Nat’l Univ.)
June 2020. pp. 285-291
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Abstract

Recent advances in technology using ultra-thin noble metal film in oxide/metal/oxide structures have attracted attention because this material is a promising alternative to meet the needs of transparent conduction electrodes (TCE). AZO/Ag/AZO multilayer films are prepared by magnetron sputtering for Cu2ZnSn(S,Se)4 (CZTSSe) of kesterite solar cells. It is shown that the electrical and optical properties of the AZO/Ag/AZO multilayer films can be improved by the very low resistivity and surface plasmon effects due to the deposition of different thicknesses of Ag layer between oxide layers fixed at AZO 30 nm. The AZO/Ag/AZO multilayer films of Ag 15 nm show high mobility of 26.4 cm2/Vs and low resistivity and sheet resistance of 3.58×10−5 Ωcm and 5.0 Ω/sq. Also, the AZO/Ag (15 nm)/AZO multilayer film shows relatively high transmittance of more than 65% in the visible region. Through this, we fabricated CZTSSe thin film solar cells with 7.51% efficiency by improving the short-circuit current density and fill factor to 27.7 mV/cm2 and 62 %, respectively.

Keywords
AZO/Ag/AZO
Oxide/Metal/Oxide (O/M/O)
transparent conducting electrode
Ag thickness
thin films
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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 : 30
  • No :6
  • Pages :285-291
  • Received Date : 2020-03-23
  • Revised Date : 2020-04-28
  • Accepted Date : 2020-05-11
  • DOI :https://doi.org/10.3740/MRSK.2020.30.6.285
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