Synthesis of nanocrystallized zirconium carbide based on an aqueous solution-derived precursor

Nanocrystallized zirconium carbide (ZrC) powder was synthesized by an aqueous solution-based process using zirconium acetate and sucrose as starting reagents. Polyvinyl pyrrolidone (PVP) was used to combine the reactants to form a suitable precursor for ZrC. Through such a novel aqueous solution-bas...

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Veröffentlicht in:RSC advances 2017-01, Vol.7 (37), p.22722-22727
Hauptverfasser: Wang, Jing-Xiao, Ni, De-Wei, Dong, Shao-Ming, Yang, Guang, Gao, Yan-Feng, Kan, Yan-Mei, Chen, Xiao-Wu, Cao, Yan-Peng, Zhang, Xiang-Yu
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container_end_page 22727
container_issue 37
container_start_page 22722
container_title RSC advances
container_volume 7
creator Wang, Jing-Xiao
Ni, De-Wei
Dong, Shao-Ming
Yang, Guang
Gao, Yan-Feng
Kan, Yan-Mei
Chen, Xiao-Wu
Cao, Yan-Peng
Zhang, Xiang-Yu
description Nanocrystallized zirconium carbide (ZrC) powder was synthesized by an aqueous solution-based process using zirconium acetate and sucrose as starting reagents. Polyvinyl pyrrolidone (PVP) was used to combine the reactants to form a suitable precursor for ZrC. Through such a novel aqueous solution-based process, fine-scale mixing of the reactants is achieved in an environmentally friendly manner. The formed precursor can be converted to ZrC by carbothermal reduction reaction at 1600-1650 °C. Thanks to a limited amount of residual free carbon, the as-synthesized ZrC powder had an ultra-fine particle size (50-100 nm) and a low oxygen content less than 1.0 wt%. The conversion mechanisms from as-synthesized pre-ceramic precursor to ZrC powder were investigated systematically and revealed by means of FTIR, TG-DSC, XRD, Raman, SEM and TEM. Nanocrystallized zirconium carbide (ZrC) powder was synthesized by an aqueous solution-based process using zirconium acetate and sucrose as starting reagents.
doi_str_mv 10.1039/c7ra02586f
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source DOAJ Directory of Open Access Journals; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals
subjects Carbon
Conversion
Nanocrystals
Oxygen content
Precursors
Reagents
Synthesis
Zirconium carbides
title Synthesis of nanocrystallized zirconium carbide based on an aqueous solution-derived precursor
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