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Article

Synthesis and Characterization of Cu2ZnSnS4 Thin Films Obtained by Combined Magnetron Sputtering and Pulsed Laser Deposition

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National Institute of Materials Physics, Atomistilor 405A, 077125 Magurele, Romania
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Faculty of Physics, University of Bucharest, 405 Atomiștilor Street, P.O. Box MG-11, 077125 Bucharest-Magurele, Romania
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Apel Laser Ltd., Vanatorilor 25, 077135 Mogosoaia, Romania
*
Author to whom correspondence should be addressed.
Academic Editors: Henrich Frielinghaus and Zafar Iqbal
Nanomaterials 2021, 11(9), 2403; https://doi.org/10.3390/nano11092403
Received: 12 July 2021 / Revised: 16 August 2021 / Accepted: 13 September 2021 / Published: 15 September 2021
Cu2ZnSnS4 (CZTS) is a complex quaternary material, and obtaining a single-phase CZTS with no secondary phases is known to be challenging and dependent on the production technique. This work involves the synthesis and characterization of CZTS absorber layers for solar cells. Thin films were deposited on Si and glass substrates by a combined magnetron sputtering (MS) and pulsed laser deposition (PLD) hybrid system, followed by annealing without and with sulfur powder at 500 °C under argon (Ar) flow. Three different Cu2S, SnS2, and ZnS targets were used each time, employing a different target for PLD and the two others for MS. The effect of the different target arrangements and the role of annealing and/or sulfurization treatment were investigated. The characterization of the absorber films was performed by grazing incidence X-ray diffraction (GIXRD), X-ray reflectometry (XRR), Raman spectroscopy, scanning electron microscopy, and regular transmission spectroscopy. The film with ZnS deposited by PLD and SnS2 and Cu2S by MS was found to be the best for obtaining a single CZTS phase, with uniform surface morphology, a nearly stoichiometric composition, and an optimal band gap of 1.40 eV. These results show that a new method that combines the advantages of both MS and PLD techniques was successfully used to obtain single-phase Cu2ZnSnS4 films for solar cell applications. View Full-Text
Keywords: CZTS; PLD; magnetron sputtering; hybrid system; solar cells CZTS; PLD; magnetron sputtering; hybrid system; solar cells
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MDPI and ACS Style

Zaki, M.-Y.; Sava, F.; Buruiana, A.-T.; Simandan, I.-D.; Becherescu, N.; Galca, A.-C.; Mihai, C.; Velea, A. Synthesis and Characterization of Cu2ZnSnS4 Thin Films Obtained by Combined Magnetron Sputtering and Pulsed Laser Deposition. Nanomaterials 2021, 11, 2403. https://doi.org/10.3390/nano11092403

AMA Style

Zaki M-Y, Sava F, Buruiana A-T, Simandan I-D, Becherescu N, Galca A-C, Mihai C, Velea A. Synthesis and Characterization of Cu2ZnSnS4 Thin Films Obtained by Combined Magnetron Sputtering and Pulsed Laser Deposition. Nanomaterials. 2021; 11(9):2403. https://doi.org/10.3390/nano11092403

Chicago/Turabian Style

Zaki, Mohamed-Yassine, Florinel Sava, Angel-Theodor Buruiana, Iosif-Daniel Simandan, Nicu Becherescu, Aurelian-Catalin Galca, Claudia Mihai, and Alin Velea. 2021. "Synthesis and Characterization of Cu2ZnSnS4 Thin Films Obtained by Combined Magnetron Sputtering and Pulsed Laser Deposition" Nanomaterials 11, no. 9: 2403. https://doi.org/10.3390/nano11092403

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