Comparative study on the annealing types on the properties of Cu 2 ZnSnS 4 thin films and their application to solar cells

Chang Woo Hong, Seung Wook Shin, K. V. Gurav, S. A. Vanalakar, Soo Jung Yeo, Han Seung Yang, Jae Ho Yun, Jin Hyeok Kim

Research output: Contribution to journalArticlepeer-review

20 Scopus citations

Abstract

Comparative studies on the properties of Cu 2 ZnSnS 4 (CZTS) thin films and performance of CZTS thin film solar cells (TFSCs) prepared by different sulfurization types such as commerical furnace (CF) and rapid thermal annealing (RTA) systems have been investigated. The CZTS thin film prepared using CF showed the dense microstructure with many voids and secondary phases, while that prepared using RTA showed the dense microstructure without void and with some secondary phases. The RTA annealed CZTS TFSC have shown better performance than that prepared using CF. The best performance of CZTS TFSC using RTA was 1.9% efficiency (V oc : 505 mV, J sc : 7.5 mA/cm 2 and FF: 50.2%).

Original languageEnglish (US)
Pages (from-to)180-184
Number of pages5
JournalApplied Surface Science
Volume334
DOIs
StatePublished - Apr 15 2015

Bibliographical note

Funding Information:
This work is supported by the Human Resources Development of the Korea Institute of Energy Technology Evaluation and Planning (KETEP) grant funded by the Korea government Ministry of Knowledge Economy. (No.: 20124010203180). This research was financially supported by the Ministry of Knowledge Economy (MKE), Korea Institute for Advancement of Technology (KIAT) and Honam Leading Industry Office through the leading Industry Development for Economic Region).

Keywords

  • Commercial furnace
  • Cu ZnSnS (CZTS)
  • Rapid thermal annealing
  • Sulfurization
  • Thin film solar cells

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