Effect of pre-annealing on the phase formation and efficiency of CZTS solar cell prepared by sulfurization of Zn/(Cu,Sn) precursor with H2S gas
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- 作者：Jung Hun Leea ; Heon Jin Choib ; Won Mok Kimc ; Jeung Hyun Jeongd ; Jong Keuk Parkc ; jokepark@kist.re.kr" class="auth_mail" title="E-mail the corresponding author
- 关键词：Cu2ZnSnS4(CZTS) ; Pre-annealing ; Metal precursor ; H2S gas sulfurization ; Thin film solar cells
- 刊名：Solar Energy
- 出版年：2016
- 出版时间：15 October 2016
- 年：2016
- 卷：136
- 期：Complete
- 页码：499-504
- 全文大小：1133 K
文摘
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CZTS was synthesized by sulfurization of Zn/(Cu,Sn) precursor with H2S gas at 550 °C.
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CZTS phase formation behavior was critically dependent on the pre-annealing condition.
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Pre-annealing at 350 °C in Ar induced the segregation of Sn at surface region.
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Pre-annealing at 450 °C under the H2S atmosphere suppressed second phase formation.
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The CZTS prepared with pre-annealing in H2S showed cell efficiency of 4.4%.