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Controlled syntheses of monodispersed metal oxide nanocrystals from bulk metal oxide materials

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Abstract

The prevalent synthesis of colloidal metal oxide nanocrystals relies on the synthesis of various precursors, such as organometallic compounds, which are usually sensitive to moisture or oxygen and generally expensive. Based on the economic efficiency, the costs of the starting materials and synthetic process should be addressed. Herein, a general simple synthetic procedure from inexpensive and nontoxic precursors is developed. Under optimized reaction conditions, MnO nanocrystals are synthesized with commercially purchased bulk manganese oxides as starting materials, such as MnO, MnO2, and Mn3O4. The size and morphologies of nanoparticles are modulated by tuning the types and dosage of coating agents. Moreover, this synthetic strategy is further extended to other nanoparticles including Fe3O4 nanocrystals and FeMnOx nanocrystals. Furthermore, Re doped MnO nanocrystals exhibiting fluorescence properties have been synthesized with this method, which endows the fluorescence properties to these oxide nanocrystals.

Graphical abstract: Controlled syntheses of monodispersed metal oxide nanocrystals from bulk metal oxide materials

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Article information


Submitted
08 Feb 2020
Accepted
13 Jun 2020
First published
17 Jun 2020

CrystEngComm, 2020, Advance Article
Article type
Paper

Controlled syntheses of monodispersed metal oxide nanocrystals from bulk metal oxide materials

K. Zhao, Z. Yang, H. Wei, J. Guo, Y. Yang and J. Wei, CrystEngComm, 2020, Advance Article , DOI: 10.1039/D0CE00193G

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