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In this work, we demonstrate the production of pure and doped Sb2S3 thin films by electrophoretic deposition. The consequences of silver and copper doping were evaluated by measuring the films’structural and optoelectrical properties. Sb2S3 nanoparticles (NPs) were first synthesized in ethylene glycol and stabilized with polyethylenimine. Doped NPs were obtained thanks to silver or copper precursors added during the synthesis process. Orthorhombic Sb2S3 and extra AgSbS2 and CuSbS2 phases were identified by XRD after thermal treatment at 300 °C under vacuum. Metallic Sb impurities were also found for thermal treatment under 275 °C. UV−vis−NIR spectroscopy highlighted the optical properties of amorphous and crystalline thin films as well as the variation of optical band gaps by doping. Photocurrent measurement showed an increase in conductivity for doped thin films. Adding silver or copper also brought a slower recombination of electron−hole pairs after switching the light off.

権利情報:

• In Copyright
  

  This document is the Accepted Manuscript version of a Published Work that appeared in final form in Investigation of Silver and Copper Doping on Antimony Sulfide Thin Films Obtained by Electrophoretic Deposition, copyright © 2024 American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see https://doi.org/10.1021/acs.jpcc.4c04781

キーワード: Electrophoretic deposition, thin films, chalcogenides, coating materials

刊行年月日: 2024-10-24

出版者: American Chemical Society (ACS)

掲載誌:

• The Journal of Physical Chemistry C (ISSN: 19327447) vol. 128 issue. 42 p. 18093-18101

研究助成金:

• Japan Society for the Promotion of Science JSPS PE21752

原稿種別: 著者最終稿 (Accepted manuscript)

MDR DOI: https://doi.org/10.48505/nims.5222

公開URL: https://doi.org/10.1021/acs.jpcc.4c04781

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更新時刻: 2025-10-24 08:30:26 +0900

MDRでの公開時刻: 2025-10-24 08:18:38 +0900