Synthesis of monodispersed La2Ce2O7 nanocrystals via hydrothermal method: A study of crystal growth and sintering behavior | |
Wang CJ ; Huang WZ ; Wang Y ; Cheng YL ; Zou BL ; Fan XZ ; Yang JL ; Cao XQ | |
刊名 | international journal of refractory metals & hard materials
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2012 | |
卷号 | 31页码:242-246 |
关键词 | YTTRIA-STABILIZED ZIRCONIA CERIUM OXIDE NANOPARTICLES SIZE TEMPERATURE ZRO2 TRANSFORMATION COALESCENCE NANOPOWDERS POWDER |
ISSN号 | 0263-4368 |
通讯作者 | cao xq |
中文摘要 | monodispersed and uniformly distributed la2ce2o7 nanocrystals were synthesized via the hydrothermal method using polyethyleneglycol (peg) as surfactant. x-ray diffraction (xrd), thermogravimetric analysis/differential scanning calorimeter (tg/dsc), fourier transform infrared spectroscopy (ft-ir), raman spectroscopy and high resolution transmission electron microscopy (hrtem) were utilized to characterize the thermal decomposition, phase structure and morphology of the products. qualitative analysis indicates that the products are comprised of well-dispersed square particles with cubic fluorite structure. the specific surface area and the average crystallite size of the as-prepared products are 195.59 m(2) g(-1) and 10-15 nm, respectively. the low effective activation energy (15.27 +/- 0.03 kj mol(-1)) for crystal growth was obtained in the calcination temperature range of 700-1300 degrees c. the sintering behavior of the compacted body was also investigated, revealing that la2ce2o7 has a low relative density and open channel morphology. (c) 2011 elsevier ltd. all rights reserved. |
收录类别 | SCI收录期刊论文 |
语种 | 英语 |
WOS记录号 | WOS:000301027800038 |
公开日期 | 2013-06-08 |
内容类型 | 期刊论文 |
源URL | [http://ir.ciac.jl.cn/handle/322003/48298] ![]() |
专题 | 长春应用化学研究所_长春应用化学研究所知识产出_期刊论文 |
推荐引用方式 GB/T 7714 | Wang CJ,Huang WZ,Wang Y,et al. Synthesis of monodispersed La2Ce2O7 nanocrystals via hydrothermal method: A study of crystal growth and sintering behavior[J]. international journal of refractory metals & hard materials,2012,31:242-246. |
APA | Wang CJ.,Huang WZ.,Wang Y.,Cheng YL.,Zou BL.,...&Cao XQ.(2012).Synthesis of monodispersed La2Ce2O7 nanocrystals via hydrothermal method: A study of crystal growth and sintering behavior.international journal of refractory metals & hard materials,31,242-246. |
MLA | Wang CJ,et al."Synthesis of monodispersed La2Ce2O7 nanocrystals via hydrothermal method: A study of crystal growth and sintering behavior".international journal of refractory metals & hard materials 31(2012):242-246. |
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