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High index facet bounded α-Fe2O3 pseudocubic nanocrystals with enhanced electrochemical properties: Zn2+ ion assisted solvo-hydrothermal synthesis

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Abstract

Pseudocubic α-Fe2O3 nanocrystals were grown by a surfactant-free, low temperature, solvo-hydrothermal process and characterised by XRD, FESEM, TEM, FTIR, Raman, XPS and UV-vis analysis. These α-Fe2O3 nanocrystals were bounded by high index facets {012}, {01[4 with combining macron]} and {[2 with combining macron]10} having an average edge length of 120 nm and a dihedral angle of 85°. The growth of high index facet bounded α-Fe2O3 pseudocubic nanocrystals was contributed by the structure inducing properties of Zn2+ cations (ZnCl2) added to the mother solution. This work also sheds light into the low impedance and enhanced electrochemical activities of high index facet bounded α-Fe2O3 pseudocubic nanocrystals, which exhibited good electrochemical sensing response towards aqueous ammonia.

Graphical abstract: High index facet bounded α-Fe2O3 pseudocubic nanocrystals with enhanced electrochemical properties: Zn2+ ion assisted solvo-hydrothermal synthesis

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Publication details

The article was received on 26 Oct 2018, accepted on 07 Jan 2019 and first published on 08 Jan 2019


Article type: Paper
DOI: 10.1039/C8CE01837E
Citation: CrystEngComm, 2019, Advance Article

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    High index facet bounded α-Fe2O3 pseudocubic nanocrystals with enhanced electrochemical properties: Zn2+ ion assisted solvo-hydrothermal synthesis

    N. G. Divya and M. Junaid Bushiri, CrystEngComm, 2019, Advance Article , DOI: 10.1039/C8CE01837E

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