Long single crystalline α-Mn2O3 nanorods: facile synthesis and photocatalytic application

Chandiran, Kalaiselvi; Murugesan, Ramesh Aravind; Balaji, Revathi; Andrews, Nirmala Grace; Pitchaimuthu, Sudhagar; Nagamuthu, Krishna Chandar

doi:10.1088/2053-1591/ab9fbd

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Long single crystalline α-Mn2O3 nanorods: facile synthesis and photocatalytic application

Kalaiselvi Chandiran, Ramesh Aravind Murugesan, Revathi Balaji, Nirmala Grace Andrews, Sudhagar Pitchaimuthu

, Krishna Chandar Nagamuthu Raja

Materials Research Express, Volume: 7, Issue: 7, Start page: 074001

Swansea University Author: Sudhagar Pitchaimuthu

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DOI (Published version): 10.1088/2053-1591/ab9fbd

Abstract

Single crystalline cubic sesquioxide bixbyite α-Mn2O3 nanorods have been synthesized successfully by a simple, low cost, environmental benign hydrothermal route. As synthesized γ-MnOOH were calcined at 600 °C to obtain α-Mn2O3 nanorods, which were further subjected to various characterizations. The...

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Published in:	Materials Research Express
ISSN:	2053-1591
Published:	IOP Publishing 2020
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URI:	https://cronfa.swan.ac.uk/Record/cronfa54865
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first_indexed	2020-08-04T10:07:28Z
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spelling	2020-09-17T15:38:55.8488459 v2 54865 2020-08-04 Long single crystalline α-Mn2O3 nanorods: facile synthesis and photocatalytic application 2fdbee02f4bfc5a1b174c8bd04afbd2b 0000-0001-9098-8806 Sudhagar Pitchaimuthu Sudhagar Pitchaimuthu true false 2020-08-04 EEN Single crystalline cubic sesquioxide bixbyite α-Mn2O3 nanorods have been synthesized successfully by a simple, low cost, environmental benign hydrothermal route. As synthesized γ-MnOOH were calcined at 600 °C to obtain α-Mn2O3 nanorods, which were further subjected to various characterizations. The alpha manganese sesquioxide cubic bixbyite-type oxide formation was confirmed by the XRD studies. The surface morphology and elemental analysis were explored by SEM with EDX studies, respectively. High-resolution transmission electron microscopy HRTEM and SAED showed that the α-Mn2O3 nanorods were single crystalline and were grown along the C-axis of the crystal plane. The UV–visible spectrum indicated that the absorption was prominent in the ultraviolet region. In addition, PL spectrum result of α-Mn2O3 nanorods recommended possible photocatalytic applications. The photocatalyst ensures a new platform for the decolorization of dye molecules of the harmful cationic dyes like methylene blue and rhodamine B. Possible growth mechanism and photocatalytic dye degradation mechanism were proposed for synthesized α-Mn2O3 nanorods. Journal Article Materials Research Express 7 7 074001 IOP Publishing 2053-1591 hydrothermal method, α-Mn2O3 nanorods, photocatalytic, rhodamaine B, methylene blue 3 7 2020 2020-07-03 10.1088/2053-1591/ab9fbd COLLEGE NANME Engineering COLLEGE CODE EEN Swansea University 2020-09-17T15:38:55.8488459 2020-08-04T11:03:44.4933008 Faculty of Science and Engineering School of Engineering and Applied Sciences - Uncategorised Kalaiselvi Chandiran 1 Ramesh Aravind Murugesan 2 Revathi Balaji 3 Nirmala Grace Andrews 4 Sudhagar Pitchaimuthu 0000-0001-9098-8806 5 Krishna Chandar Nagamuthu Raja 6 54865__17846__dcbdcac1e432409cb64f46272f01e924.pdf 54865.pdf 2020-08-04T11:06:03.6362725 Output 1886999 application/pdf Version of Record true Released under the terms of a Creative Commons Attribution 4.0 licence (CC-BY). true English http://creativecommons.org/licenses/by/4.0
title	Long single crystalline α-Mn2O3 nanorods: facile synthesis and photocatalytic application
spellingShingle	Long single crystalline α-Mn2O3 nanorods: facile synthesis and photocatalytic application Sudhagar Pitchaimuthu
title_short	Long single crystalline α-Mn2O3 nanorods: facile synthesis and photocatalytic application
title_full	Long single crystalline α-Mn2O3 nanorods: facile synthesis and photocatalytic application
title_fullStr	Long single crystalline α-Mn2O3 nanorods: facile synthesis and photocatalytic application
title_full_unstemmed	Long single crystalline α-Mn2O3 nanorods: facile synthesis and photocatalytic application
title_sort	Long single crystalline α-Mn2O3 nanorods: facile synthesis and photocatalytic application
author_id_str_mv	2fdbee02f4bfc5a1b174c8bd04afbd2b
author_id_fullname_str_mv	2fdbee02f4bfc5a1b174c8bd04afbd2b_***_Sudhagar Pitchaimuthu
author	Sudhagar Pitchaimuthu
author2	Kalaiselvi Chandiran Ramesh Aravind Murugesan Revathi Balaji Nirmala Grace Andrews Sudhagar Pitchaimuthu Krishna Chandar Nagamuthu Raja
format	Journal article
container_title	Materials Research Express
container_volume	7
container_issue	7
container_start_page	074001
publishDate	2020
institution	Swansea University
issn	2053-1591
doi_str_mv	10.1088/2053-1591/ab9fbd
publisher	IOP Publishing
college_str	Faculty of Science and Engineering
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hierarchy_top_title	Faculty of Science and Engineering
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department_str	School of Engineering and Applied Sciences - Uncategorised{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Uncategorised
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description	Single crystalline cubic sesquioxide bixbyite α-Mn2O3 nanorods have been synthesized successfully by a simple, low cost, environmental benign hydrothermal route. As synthesized γ-MnOOH were calcined at 600 °C to obtain α-Mn2O3 nanorods, which were further subjected to various characterizations. The alpha manganese sesquioxide cubic bixbyite-type oxide formation was confirmed by the XRD studies. The surface morphology and elemental analysis were explored by SEM with EDX studies, respectively. High-resolution transmission electron microscopy HRTEM and SAED showed that the α-Mn2O3 nanorods were single crystalline and were grown along the C-axis of the crystal plane. The UV–visible spectrum indicated that the absorption was prominent in the ultraviolet region. In addition, PL spectrum result of α-Mn2O3 nanorods recommended possible photocatalytic applications. The photocatalyst ensures a new platform for the decolorization of dye molecules of the harmful cationic dyes like methylene blue and rhodamine B. Possible growth mechanism and photocatalytic dye degradation mechanism were proposed for synthesized α-Mn2O3 nanorods.
published_date	2020-07-03T04:08:40Z
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score	11.036706

Long single crystalline α-Mn2O3 nanorods: facile synthesis and photocatalytic application

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