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| PZT纳米晶粉体的水热合成及表征 | |
| 引用本文： | 刘海涛,曹茂盛,周永强,梁晓娟,李龙土.PZT纳米晶粉体的水热合成及表征[J].稀有金属材料与工程,2008,37(Z2):730-733. |
| 作者姓名： | 刘海涛 曹茂盛 周永强 梁晓娟 李龙土 |
| 作者单位： | 1. 温州大学化学与材料工程学院,温州,325035;清华大学新型陶瓷与精细工艺国家重点实验室,材料科学与工程系,北京,100084 2. 北京理工大学材料科学与工程系,北京,100081 3. 温州大学化学与材料工程学院,温州,325035 4. 清华大学新型陶瓷与精细工艺国家重点实验室,材料科学与工程系,北京,100084 |
| 基金项目： | Funds of navy equipment department,P.R.China(40105030104) |
| 摘 要： | 本文选取近于MPB的组成Pb(Zr0.52Ti0.48)O3进行了研究.通过水热法合成了纯相钙钛矿型纳米晶锆钛酸铅(PZT)粉体.所用原料试剂为分析纯Pb(NO3)2、Zr(NO3)4·5H2O、Ti(OC4H9)4,NaOH作为矿化剂.原料试剂按Pb(Zr0.52Ti0.48)O3化学计量比混合放入50 mL内衬聚四氟乙烯的高压釜中,填充度为70%.高压釜在170～270℃之间选择一定温度加热2 h后在冰水中冷却到室温.前躯体及水热处理的粉体通过XRD和SEM进行表征.PZT相在220℃加热2 h开始出现.在270℃加热2 h合成了纯相钙钛矿型纳米晶PZT粉体.粉体的平均尺寸为25 nm. |
| 关 键 词： | PZT 纳米晶 水热合成 PZT nanocrystal hydrothermal synthesis 纳米晶 粉体 合成及表征 Powders Nanocrystalline Characterization Synthesis powder perovskite nanocrystals average size phase form soaking room temperature precursors characterized water mixed autoclave |
| 文章编号： | 1002-185X(2008)S2-730-04 |
| 修稿时间： | 2007年11月22 |
Hydrothermal Synthesis and Characterization of Nanocrystalline PZT Powders |
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| Liu Haitao,Cao Maosheng,Zhou Yongqiang,Liang Xiaojuan,Li Longtu.Hydrothermal Synthesis and Characterization of Nanocrystalline PZT Powders[J].Rare Metal Materials and Engineering,2008,37(Z2):730-733. | |
| Authors: | Liu Haitao Cao Maosheng Zhou Yongqiang Liang Xiaojuan Li Longtu |
| Abstract: | PZT with a composition of Pb(Zr0.52Ti0.48)O3,which is near the morphotropic phase boundary(MPB)was selected in the present study.Nano-sized lead zirconate titanate(PZT)powders were synthesized via hydrothermal synthesis rout.All starting materials are analytical grade and used without further purification.Stoichiometric amounts of lead nitratePb(NO3)2],mineralizer.They were mixed and put into a Teflon-lined autoclave of 50 mL capacity filled up to 70% of its capacity.The autoclave was maintained at 170～270℃for 2 h.and then cooled to room temperature in icy water.The precursors and hydrothermal-treated powders were characterized by XRD and SEM.PZT phase started to form at a soaking temperature of as low as 220℃for 2 h.while phase-pure PZT powders were obtained at 270℃for 2 h.The PZT powder consists of single-phase perovskite nanocrystals with an average size of 25 nm. |
| Keywords: | PZT nanocrystal hydrothermal synthesis |
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