A Salt-Assisted Combustion Method to Prepare Well-Dispersed Octahedral MnCr2O4 Spinel Nanocrystals

A Salt-Assisted Combustion Method to Prepare Well-Dispersed Octahedral MnCr2O4 Spinel Nanocrystals

Well-dispersed nanocrystalline MnCr2O4 was prepared by a salt-assisted combustion process using low-toxic glycine as fuel and Mn(NO3)2 and Cr(NO3)3·9H2O as raw materials. The obtained products were characterized by X-ray Diffraction (XRD), Fourier Transform Infrared (FT-IR) spectroscopy, Raman spect...

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Main Authors: Yuping Tong, Juntao Ma, Shunbo Zhao, Hongyuan Huo, Hailong Zhang
Format: Article
Language:English
Published: Hindawi Limited 2015-01-01
Series:Journal of Nanomaterials
Online Access:http://dx.doi.org/10.1155/2015/214978
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spelling doaj-7c209a9311b4485591aceac8c7696d902020-11-24T22:59:53ZengHindawi LimitedJournal of Nanomaterials1687-41101687-41292015-01-01201510.1155/2015/214978214978A Salt-Assisted Combustion Method to Prepare Well-Dispersed Octahedral MnCr2O4 Spinel NanocrystalsYuping Tong0Juntao Ma1Shunbo Zhao2Hongyuan Huo3Hailong Zhang4School of Civil Engineering and Communication, North China University of Water Resources and Electric Power, Zhengzhou 450011, ChinaSchool of Civil Engineering and Communication, North China University of Water Resources and Electric Power, Zhengzhou 450011, ChinaSchool of Civil Engineering and Communication, North China University of Water Resources and Electric Power, Zhengzhou 450011, ChinaSchool of Civil Engineering and Communication, North China University of Water Resources and Electric Power, Zhengzhou 450011, ChinaSchool of Civil Engineering and Communication, North China University of Water Resources and Electric Power, Zhengzhou 450011, ChinaWell-dispersed nanocrystalline MnCr2O4 was prepared by a salt-assisted combustion process using low-toxic glycine as fuel and Mn(NO3)2 and Cr(NO3)3·9H2O as raw materials. The obtained products were characterized by X-ray Diffraction (XRD), Fourier Transform Infrared (FT-IR) spectroscopy, Raman spectroscopy, Transmission Electron Microscopy (TEM), and Scanning Electron Microscopy (SEM). The fabrication process was monitored by thermogravimetric and differential thermal analysis (TG-DTA). The phase formation process was detected by XRD, and MnCr2O4 single phase with high crystallinity was formed at 700°C. TEM and SEM images revealed that the products were composed of well-dispersed octahedral nanocrystals with an average size of 80 nm. Inert salt-LiCl played an important role in breaking the network structure of agglomerated nanocrystallites.http://dx.doi.org/10.1155/2015/214978
collection DOAJ
language English
format Article
sources DOAJ
author Yuping Tong
Juntao Ma
Shunbo Zhao
Hongyuan Huo
Hailong Zhang
spellingShingle Yuping Tong
Juntao Ma
Shunbo Zhao
Hongyuan Huo
Hailong Zhang
A Salt-Assisted Combustion Method to Prepare Well-Dispersed Octahedral MnCr2O4 Spinel Nanocrystals
Journal of Nanomaterials
author_facet Yuping Tong
Juntao Ma
Shunbo Zhao
Hongyuan Huo
Hailong Zhang
author_sort Yuping Tong
title A Salt-Assisted Combustion Method to Prepare Well-Dispersed Octahedral MnCr2O4 Spinel Nanocrystals
title_short A Salt-Assisted Combustion Method to Prepare Well-Dispersed Octahedral MnCr2O4 Spinel Nanocrystals
title_full A Salt-Assisted Combustion Method to Prepare Well-Dispersed Octahedral MnCr2O4 Spinel Nanocrystals
title_fullStr A Salt-Assisted Combustion Method to Prepare Well-Dispersed Octahedral MnCr2O4 Spinel Nanocrystals
title_full_unstemmed A Salt-Assisted Combustion Method to Prepare Well-Dispersed Octahedral MnCr2O4 Spinel Nanocrystals
title_sort salt-assisted combustion method to prepare well-dispersed octahedral mncr2o4 spinel nanocrystals
publisher Hindawi Limited
series Journal of Nanomaterials
issn 1687-4110
1687-4129
publishDate 2015-01-01
description Well-dispersed nanocrystalline MnCr2O4 was prepared by a salt-assisted combustion process using low-toxic glycine as fuel and Mn(NO3)2 and Cr(NO3)3·9H2O as raw materials. The obtained products were characterized by X-ray Diffraction (XRD), Fourier Transform Infrared (FT-IR) spectroscopy, Raman spectroscopy, Transmission Electron Microscopy (TEM), and Scanning Electron Microscopy (SEM). The fabrication process was monitored by thermogravimetric and differential thermal analysis (TG-DTA). The phase formation process was detected by XRD, and MnCr2O4 single phase with high crystallinity was formed at 700°C. TEM and SEM images revealed that the products were composed of well-dispersed octahedral nanocrystals with an average size of 80 nm. Inert salt-LiCl played an important role in breaking the network structure of agglomerated nanocrystallites.
url http://dx.doi.org/10.1155/2015/214978
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