Structure and Shape Control of Hydrothermally Synthesized PbTiO3--Effects of pH and Complexing Agents

Chemical Research in Chinese Universities ›› 2003, Vol. 19 ›› Issue (1): 1-5.

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Structure and Shape Control of Hydrothermally Synthesized PbTiO₃--Effects of pH and Complexing Agents

XIAO Li-hua¹, CHEN Dai-rong², XU Xian-lun¹, LIU Shu-wen¹

1. State Key Laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, P. R. China;
2. Department of Chemistry, Shandong University, Jinan 250100, China

Received:2002-01-30 Online:2003-01-24 Published:2011-08-06

Abstract

Abstract: Tabular PE-PbTiO₃, spherical PY-PbTiO₃, and acicular PX-PbTiO₃ powders were hydrothermally synthesized from triethanolamine(TEA)-complexed precursor; clubbed PE-PbTiO₃ powders were obtained from diethanolamine(DEA)-complexed precursor. The effects of pH of the hydrolyzation as well as complexing agents including TEA, DEA, and MEA(monoethanolamine) on the structure and the morphology of PbTiO₃ powders are discussed. The optimal conditions for hydrothermal syntheses of acicular and clubbed PbTiO₃ powders have been established. The products were characterized by means of XRD, TEM and other techniques.

Key words: Lead titanate, Hydrothermal synthesis, Complexing agent

XIAO Li-hua, CHEN Dai-rong, XU Xian-lun, LIU Shu-wen. Structure and Shape Control of Hydrothermally Synthesized PbTiO₃--Effects of pH and Complexing Agents[J]. Chemical Research in Chinese Universities, 2003, 19(1): 1-5.

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Structure and Shape Control of Hydrothermally Synthesized PbTiO₃--Effects of pH and Complexing Agents

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