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Facile preparation of hybrid molybdenum dioxide/NiMn2O4 nanocomposites with two substrate matrixes for the assisted photo-degradation, oxygen evolution reaction and antimicrobial performances.

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Title: Facile preparation of hybrid molybdenum dioxide/NiMn2O4 nanocomposites with two substrate matrixes for the assisted photo-degradation, oxygen evolution reaction and antimicrobial performances.
Authors: Zairov, Rustem R.1,2 (AUTHOR), Syed, Asad3 (AUTHOR), Elgorban, Abdallah M.3 (AUTHOR), Subramaniam, Manjula4 (AUTHOR), Wong, Ling Shing5 (AUTHOR), Janani, Baadal Jushi1,6 (AUTHOR) bajujanani@gmail.com, Sinyashin, Oleg G.1 (AUTHOR)
Source: Colloids & Surfaces A: Physicochemical & Engineering Aspects. Apr2025, Vol. 711, pN.PAG-N.PAG. 1p.
Subjects: Oxygen evolution reactions, Graphene oxide, Photodegradation, Biochemical substrates, Metallic oxides
Abstract: In this work, the synthesis of MoO 2 /NiMn 2 O 4 has been conducted via a hydrothermal method and decorated on the two substrate matrixes including reduced graphene oxide, and poly-5-amino-1,4-naphthoquinone. The prepared nanocomposites were characterized by various techniques. Also, the prepared nanocomposites were applied to electrochemical, photo-degradation, and antimicrobial activities. The results showed that MoO 2 /NiMn 2 O 4 /RGO (MNMOR) have excellent performance in the oxygen evolution reaction (OER), due to the greatest active surface area. In addition, the photocatalytic degradation analysis was conducted on removal of Acetaminophen (ACE), displaying response of 98.85 %, within 100 min with followed the pseudo-first-order model as kinetically behavior. The optimum conditions are ACE concentration:20 mg/L, catalyst amount: 0.02 g/L, pH: 7, for ACE degradation. The antibacterial performance was evaluated versus gram-positive and negative bacterial strains, displaying highly activity. These results pave a way for manufacturing innovation in future. [Display omitted] [ABSTRACT FROM AUTHOR]
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Database: Engineering Source
Description
Abstract:In this work, the synthesis of MoO 2 /NiMn 2 O 4 has been conducted via a hydrothermal method and decorated on the two substrate matrixes including reduced graphene oxide, and poly-5-amino-1,4-naphthoquinone. The prepared nanocomposites were characterized by various techniques. Also, the prepared nanocomposites were applied to electrochemical, photo-degradation, and antimicrobial activities. The results showed that MoO 2 /NiMn 2 O 4 /RGO (MNMOR) have excellent performance in the oxygen evolution reaction (OER), due to the greatest active surface area. In addition, the photocatalytic degradation analysis was conducted on removal of Acetaminophen (ACE), displaying response of 98.85 %, within 100 min with followed the pseudo-first-order model as kinetically behavior. The optimum conditions are ACE concentration:20 mg/L, catalyst amount: 0.02 g/L, pH: 7, for ACE degradation. The antibacterial performance was evaluated versus gram-positive and negative bacterial strains, displaying highly activity. These results pave a way for manufacturing innovation in future. [Display omitted] [ABSTRACT FROM AUTHOR]
ISSN:09277757
DOI:10.1016/j.colsurfa.2025.136355