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Effects of Sulfurization Pressure on the Conversion Efficiency of Cosputtered Cu2ZnSnS4 Thin Film Solar Cellsopen access
- Authors
- Khalkar, A[Khalkar, Arun]; Lim, KS[Lim, Kwang-Soo]; Yu, SM[Yu, Seong-Man]; Shin, DW[Shin, Dong-Wook]; Oh, TS[Oh, Tae-Sik]; Yoo, JB[Yoo, Ji-Beom]
- Issue Date
- 2015
- Publisher
- HINDAWI PUBLISHING CORP
- Citation
- INTERNATIONAL JOURNAL OF PHOTOENERGY
- Indexed
- SCIE
SCOPUS
- Journal Title
- INTERNATIONAL JOURNAL OF PHOTOENERGY
- ISSN
- 1110-662X
- Abstract
- We report herein Cu2ZnSnS4 (CZTS) thin film solar cells with 6.75% conversion efficiency, without an antireflection coating. The CZTS precursors have been prepared by cosputtering using three different targets on Mo-coated substrates: copper (Cu), tin sulfide (SnS), and zinc (Zn). The postsulfurization was carried out at different pressures in a H2S/N-2 environment at 550 degrees C for one hour. A comparative study on the performances of solar cells with CZTS absorber layers prepared at different sulfurization pressures was carried out. The device efficiency of 1.67% using CZTS absorber and low pressure sulfurization is drastically improved, to an efficiency of 6.75% with atmospheric pressure sulfurization.
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Related Researcher
- YOO, JI BEOM
- Engineering (Advanced Materials Science and Engineering)