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Without consuming an external reducing agent, the adsorbing rGO/CoMn₂O₄ nanocomposite was synthesized through a one-pot hydrothermal route and employed to effectively produce hydrogen gas via photocatalytic splitting of an alkaline H₂S solution. XRD, FTIR, and Raman analyses showed that GO is reduced during the hydrothermal process without the need for a reducing additive. TEM investigations confirmed the attachment of the constituent particles of the composite. Bisulfide sorption studies revealed that the nanocomposite photocatalyst has a high capacity for adsorbing the reactant species (13.97 wt.%). BET, UV-Vis, and PL spectroscopic analyses showed that the presence of rGO in the nanocomposite increases the surface area of the photocatalyst, and by enhancing photon absorption and reducing electron-hole recombination, more hydrogen is generated.

権利情報:

• Creative Commons BY-SA Attribution-ShareAlike 4.0 International
  

キーワード: Photocatalyst

刊行年月日:

出版者: Semnan University

掲載誌:

• Applied Chemistry Today (ISSN: 29812437) vol. 20 issue. 74 p. 69-86

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原稿種別: 出版者版 (Version of record)

MDR DOI:

公開URL: https://doi.org/10.22075/chem.2025.35113.2300

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更新時刻: 2026-10-29 14:32:40 +0900

MDRでの公開時刻: 2026-10-29 16:31:53 +0900