Near-infrared photoactive Cu2ZnSnS4 thin films by co-sputtering | Zendy

Banavoth Murali | Zendy; Sandra Dias | Zendy; S. B. Krupanidhi | Zendy

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Near-infrared photoactive Cu2ZnSnS4 thin films by co-sputtering

Author(s) -

Banavoth Murali,

Sandra Dias,

S. B. Krupanidhi

Publication year - 2013

Publication title -

aip advances

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.421

H-Index - 58

ISSN - 2158-3226

DOI - 10.1063/1.4820377

Subject(s) - czts , sputtering , materials science , thin film , responsivity , optoelectronics , infrared , quantum efficiency , sputter deposition , optics , photodetector , nanotechnology , physics

The thin films of Cu2ZnSnS4 (CZTS) were grown by co-sputtering further the structural, optical and electrical properties were analyzed and confirmed the CZTS phase formation. The photo response of CZTS in near IR photodectection has been demonstrated. The detector response was measured employing both the IR lamp and IR laser illuminations. The calculated growth and decay constants were 130 m sec and 700 m sec followed by the slower components upon lamp illumination. The external quantum efficiency of 15%, responsivity of 13 AW−1 makes CZTS a suitable candidate for the IR photodectection

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