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. 2014 May 28;4:5086. doi: 10.1038/srep05086

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SEM images of (a) top and (b) cross-section view of CZTS thin film fabricated from CZTS nanorods. (c) Room temperature absorption spectra for spherical, rod-like and rice-like CZTS nanocrystals. Inset shows extrapolation of the spectra in the band edge region for determination of the band gap. (d) Photocurrent response of CZTS nanocrystal thin films made from a-b spherical, c-d rod-like, and e-f rice-like CZTS nanocrystals.