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单晶硅表面周期性微结构的减反射特性及光伏特性
  • 期刊名称：高等学校化学学报，2010, 31(8): 1647-1650.
  • 时间：0
  • 分类：TB381[一般工业技术—材料科学与工程]
  • 作者机构：[1]河南省信阳师范学院化学化工学院应用化学研究所
  • 相关基金：Supported by the National Natural Science Foundation of China(Grant No.20773103);; the Scientific Research Foundation for the Returned Overseas Chinese Scholars,State Education Ministry(2008101);; the selected programs for scholars back fromoverseas,Ministry of Personnel(2006164);; Science & Technology Program of Education Depart ment of Henan(2008A150022);; the Youth Foundation of Xinyang Normal University(200932)
  • 相关项目：新型钙钛矿型半导体纳米晶薄膜电极的制备、染料敏化及光电性能研究
关键词： BaTiO3纳米粒子, 水热合成, 有机碱, barium titanates nanoparticle, hydrothermal method, organic base
中文摘要：

以四甲基氢氧化铵为矿化剂,通过水热合成方法制备出钛酸钡纳米粒子.分别讨论了钡源、钡离子浓度、反应前驱体pH值以及反应时间和温度对钛酸钡纳米粒子大小和形状的影响.结果表明:采用四甲基氢氧化铵有机碱作为矿化剂,可以比较容易制备出呈明显单分散性分布的钛酸钡纳米粒子,而且粒子纯度高.通过改变反应条件可以合成出不同尺寸的纳米粒子.是制备单分散BaTi O3纳米粒子的一个十分有效的方法.

英文摘要：

Nanocrystalline barium titanates were synthesized using a hydrothermal method with tetramethyl ammonium hydroxide as the mineralizer.The effects of the sources of barium,concentration of Ba2+ ions,pH of precursor solutions,reaction time and temperature on the formation of BaTiO3 nanoparticles were investigated.It was shown that monodispersed monolithic BaTiO3 nanoparticles and purer samples could be prepared pretty easily with the application of the organic base of tetramethyl ammonium hydroxide.Monolithic ...

同期刊论文项目
新型钙钛矿型半导体纳米晶薄膜电极的制备、染料敏化及光电性能研究
期刊论文 21 会议论文 2 获奖 2
光诱导半导体纳米结构的输运特性研究
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