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材料工程  2006 

溶胶-凝胶法制备纳米PZT粉体及结构表征

Keywords: 溶胶-凝胶,乙二醇,锆钛酸铅,纳米粉体

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Abstract:

采用改进的溶胶-凝胶法,以乙二醇为溶剂,硝酸锆为锆源,制备了纳米Pb(Zr0.52Ti0.48)O3粉体。通过溶胶的红外光谱分析给出了溶胶、凝胶形成的机理。通过IR,TG-DTA,XRD,SEM,TEM分析对PZT纳米晶的生长过程及性能进行了表征。实验证明在650℃热处理2h,获得较完整钙钛矿型PZT,粒径约为50~100nm.

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