Hydrothermal synthesis and photocatalytic activity of Mn3O4 nanoparticles

In this work, Mn3O4 nanoparticles (NPs) were synthesized by hydrothermal method using the precursor manganese acetate and polyvinyl alcohol (PVA) as a as a structure directing agent. The synthesized Mn3O4 NPs were systematically characterized in terms of their morphology, surfaces, as well as their...

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Main Authors: Lett, J. Anita, Alshahateet, Solhe F., Fatimah, Is, Sivasankaran, Ramesh Poonchi, Sibhatu, Assefu Kassegn, Le, Minh-Vien, Sagadevan, Suresh
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出版: Springer/Plenum Publishers 2023
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spelling my.um.eprints.393842023-11-28T07:18:14Z http://eprints.um.edu.my/39384/ Hydrothermal synthesis and photocatalytic activity of Mn3O4 nanoparticles Lett, J. Anita Alshahateet, Solhe F. Fatimah, Is Sivasankaran, Ramesh Poonchi Sibhatu, Assefu Kassegn Le, Minh-Vien Sagadevan, Suresh QD Chemistry In this work, Mn3O4 nanoparticles (NPs) were synthesized by hydrothermal method using the precursor manganese acetate and polyvinyl alcohol (PVA) as a as a structure directing agent. The synthesized Mn3O4 NPs were systematically characterized in terms of their morphology, surfaces, as well as their crystalline and photocatalytic activity. Powder X-ray diffraction results confirm the crystalline structure of Mn3O4 with a tetragonal phase. Field emission scanning electron microscopy results revealed a mixed rod-like morphology and rougsurface spherical particle. The energy dispersive X-ray spectra confirm the homogeneity and purity of the Mn3O4 nanostructure. Further, the hydrodynamic diameter of the synthesized Mn3O4 NPs in water was determined using the dynamic light scattering method. The synthesized Mn3O4 sample showed photocatalytic activity towards methylene blue (MB), and the photodecomposition reaction was described as better with pseudo first order than the second order reaction model. This present work suggests that the prepared Mn3O4 nanostructures are promising photocatalysts for the degradation of MB in an aqueous media under natural solar irradiation for long periods of time without adjusting the pH or introducing an oxidant into the reaction mixture. Springer/Plenum Publishers 2023-01 Article PeerReviewed Lett, J. Anita and Alshahateet, Solhe F. and Fatimah, Is and Sivasankaran, Ramesh Poonchi and Sibhatu, Assefu Kassegn and Le, Minh-Vien and Sagadevan, Suresh (2023) Hydrothermal synthesis and photocatalytic activity of Mn3O4 nanoparticles. Topics in Catalysis, 66 (1-4, S). pp. 126-138. ISSN 1022-5528, DOI https://doi.org/10.1007/s11244-022-01710-6 <https://doi.org/10.1007/s11244-022-01710-6>. 10.1007/s11244-022-01710-6
institution Universiti Malaya
building UM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaya
content_source UM Research Repository
url_provider http://eprints.um.edu.my/
topic QD Chemistry
spellingShingle QD Chemistry
Lett, J. Anita
Alshahateet, Solhe F.
Fatimah, Is
Sivasankaran, Ramesh Poonchi
Sibhatu, Assefu Kassegn
Le, Minh-Vien
Sagadevan, Suresh
Hydrothermal synthesis and photocatalytic activity of Mn3O4 nanoparticles
description In this work, Mn3O4 nanoparticles (NPs) were synthesized by hydrothermal method using the precursor manganese acetate and polyvinyl alcohol (PVA) as a as a structure directing agent. The synthesized Mn3O4 NPs were systematically characterized in terms of their morphology, surfaces, as well as their crystalline and photocatalytic activity. Powder X-ray diffraction results confirm the crystalline structure of Mn3O4 with a tetragonal phase. Field emission scanning electron microscopy results revealed a mixed rod-like morphology and rougsurface spherical particle. The energy dispersive X-ray spectra confirm the homogeneity and purity of the Mn3O4 nanostructure. Further, the hydrodynamic diameter of the synthesized Mn3O4 NPs in water was determined using the dynamic light scattering method. The synthesized Mn3O4 sample showed photocatalytic activity towards methylene blue (MB), and the photodecomposition reaction was described as better with pseudo first order than the second order reaction model. This present work suggests that the prepared Mn3O4 nanostructures are promising photocatalysts for the degradation of MB in an aqueous media under natural solar irradiation for long periods of time without adjusting the pH or introducing an oxidant into the reaction mixture.
format Article
author Lett, J. Anita
Alshahateet, Solhe F.
Fatimah, Is
Sivasankaran, Ramesh Poonchi
Sibhatu, Assefu Kassegn
Le, Minh-Vien
Sagadevan, Suresh
author_facet Lett, J. Anita
Alshahateet, Solhe F.
Fatimah, Is
Sivasankaran, Ramesh Poonchi
Sibhatu, Assefu Kassegn
Le, Minh-Vien
Sagadevan, Suresh
author_sort Lett, J. Anita
title Hydrothermal synthesis and photocatalytic activity of Mn3O4 nanoparticles
title_short Hydrothermal synthesis and photocatalytic activity of Mn3O4 nanoparticles
title_full Hydrothermal synthesis and photocatalytic activity of Mn3O4 nanoparticles
title_fullStr Hydrothermal synthesis and photocatalytic activity of Mn3O4 nanoparticles
title_full_unstemmed Hydrothermal synthesis and photocatalytic activity of Mn3O4 nanoparticles
title_sort hydrothermal synthesis and photocatalytic activity of mn3o4 nanoparticles
publisher Springer/Plenum Publishers
publishDate 2023
url http://eprints.um.edu.my/39384/
_version_ 1783876688377020416
score 13.250246