Synthesis of Cu2ZnSnS4 thin film through chemical successive ionic layer adsorption and reactions

Ma, Shuai; Sui, Jing; Cao, Lei; Li, Yang; Dong, Hua; Zhang, Qian; Dong, Lifeng

doi:10.1016/j.apsusc.2015.05.032

Cited by 11 publications

(1 citation statement)

References 27 publications

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“…Stacking of two layers is more time consuming and difficult for industrial applications. But single step SILAR is extremely challenging for the deposition of quaternary material because of the differential absorptivities of the cations [23,24].…”

Section: Introductionmentioning

confidence: 99%

Towards phase pure CZTS thin films by SILAR method with augmented Zn adsorption for photovoltaic applications

Krishnan

Ali

Geetha

et al. 2019

Mater Renew Sustain Energy

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Cu 2 ZnSnS 4 (CZTS) thin films were deposited from a single cationic bath by Successive Ionic Layer Adsorption and Reaction (SILAR) method. Regular SILAR route for CZTS had the drawback of preferential adsorption of copper and tin cations in comparison with zinc. This resulted in Cu 3 SnS 4 (CTS) and Cu 2 S phases rather than phase pure CZTS films. A modified SILAR route, with a separate bath for Zn 2+ ions, circumvented the difficulty and hence led to phase pure CZTS thin films. UV-visible absorption spectra of the CZTS thin films showed absorption coefficients of ~ 10 4 cm −1 and a band gap of 1.5 eV. Combined van der Pauw and Hall measurements of CZTS thin films showed a resistivity of approximately 1.51 × 10 2 Ωcm, carrier density of ~ 1.28 × 10 17 cm −3 , and mobility ~ 0.32 cm 2 V −1 s −1. A completely solution processed P-N junction was fabricated and characterized by forming glass/FTO/TiO 2 /CdS/CZTS multilayer.

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Section: Introductionmentioning

confidence: 99%