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Optical and structural study of In 2 S 3 thin films growth by co-evaporation and chemical bath deposition (CBD) on Cu 3 BiS 3


Fecha
2015

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Elsevier B.V.

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Abstract
We present the growth of In 2 S 3 onto Cu 3 BiS 3 layers and soda-lime glass (SLG) substrates by using chemical bath deposition (CBD) and physical co-evaporation. The results reveal that the microstructure and the optical properties of the In 2 S 3 films are highly dependent on the growth method. X-ray diffractrograms show that In 2 S 3 films have a higher crystallinity when growing by co-evaporation than by CBD. In 2 S 3 thin films grown by CBD with a thickness below 170 nm have an amorphous structure however when increasing the thickness the films exhibit two diffraction peaks associated to the (1 0 3) and (1 0 7) planes of the ?-In 2 S 3 tetragonal structure. It was also found that the In 2 S 3 films present an energy bandgap (E g ) of about 2.75 eV, regardless of the thickness of the samples. © 2015 Elsevier B.V. All rights reserved.
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Amorphous films , Bismuth compounds , Buffer layers , Copper compounds , Deposition , Evaporation , Film growth , Indium sulfide , Lime , Optical properties , Solar cells , Amorphous structures , Chemical-bath deposition , Cu3BiS3 , In2S3 , Soda lime glass substrate , Structural studies , Tetragonal structure , Thin films growth , Thin films , Buffer layer , Cu 3 bis 3 , In 2 S 3 , Solar cells
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