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has been cited by the following article:

• TITLE: Copper Zinc Sulfur Compound Solar Cells Fabricated by Spray Pyrolysis Deposition for Solar Cells

  AUTHORS: Noriyuki Kitagawa, Seigo Ito, Duy-Cuong Nguyen, Hitoshi Nishino

  KEYWORDS: Cu2Zn2S3; Spray Pyrolysis; Solar Cells; Superstrate Structure; TiO2

  JOURNAL NAME: Natural Resources, Vol.4 No.1A, March 29, 2013

  ABSTRACT: Cu-Zn-S (CZS) films were deposited by the spray pyrolysis method. As-deposited CZS film showed a low crystallinity. The resistivity of CZS film with Cu/(Cu+Zn) ratio of 50% is around 10-2Ω﹒cm. The CZS film elements using spray Cu-Zn (=1:1) solution with thiourea was confirmed as Cu:Zn:Sn=2:2:3 by ICP-MS and EDX. The band gap of CZS films was varied in the range of 1.8 - 3.5 ev when the Cu/(Cu+Zn)ratio was increased from 0 to 67%; CZS film with Cu/(Cu+Zn)ratio of 50 % showed an wide band gap of 2 eV. The photovoltaic characteristics were confirmed with cell structure of . The best cell was observed at the CZS films with Cu/(Cu+Zn)ratio of 50%; these cells depicted a conversion efficiency of 1.7%.