[1]孙灵娜,洪伟良,刘日明,等.Mg(OH)2纳米晶的可控制备[J].深圳大学学报理工版,2013,30(No.2(111-220)):205-209.[doi:10.3724/SP.J.1249.2013.02205]
 Sun Lingna,Hong Weiliang,Liu Riming,et al.Controllable synthesis of Mg(OH)2 nanocrystals[J].Journal of Shenzhen University Science and Engineering,2013,30(No.2(111-220)):205-209.[doi:10.3724/SP.J.1249.2013.02205]
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Mg(OH)2纳米晶的可控制备()
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《深圳大学学报理工版》[ISSN:1000-2618/CN:44-1401/N]

卷:
第30卷
期数:
2013年No.2(111-220)
页码:
205-209
栏目:
化学与化工
出版日期:
2013-03-18

文章信息/Info

Title:
Controllable synthesis of Mg(OH)2 nanocrystals
作者:
孙灵娜洪伟良刘日明田德余
深圳市功能高分子重点实验室,深圳大学化学与化工学院, 深圳 518060
Author(s):
Sun Lingna Hong Weiliang Liu Riming and Tian Deyu
Shenzhen Key Laboratory of Functional Polymers, College of Chemistry and Chemical Engineering, Shenzhen University,Shenzhen 518060, P.R.China
关键词:
无机化合物醋酸镁沉淀法氢氧化镁纳米晶生长机理
Keywords:
inorganic compound magnesium acetate homogeneous precipitation method magnesium hydroxide(Mg(OH)2) nanocrystals growth mechanism
分类号:
O 614
DOI:
10.3724/SP.J.1249.2013.02205
文献标志码:
A
摘要:
以醋酸镁为原料,氨水为沉淀剂,采用沉淀法制备Mg(OH)2纳米晶,使其自然干燥,以降低烘干对Mg(OH)2产生硬团聚的影响.探讨氨水浓度、聚乙二醇添加量、反应温度和反应时间等对产物形貌及产率的影响,推测其生长机理.通过对反应条件的调控,分别制得直径约4 nm的Mg(OH)2针状结构、直径20~30 nm的纳米颗粒和花状结构,以及直径40 nm的棒状结构.利用透射电子显微镜对产物形貌和粒径进行分析,采用X射线粉末衍射法研究Mg(OH)2的晶体结构.
Abstract:
Magnesium hydroxide nanocrystals were synthesized by the method of homogeneous precipitation with magnesium acetate and ammonia as raw materials. The products were dried by a natural way to avoid the agglomeration of Mg(OH)2 nanocrystals. The impacts of the factors, such as concentration of NH3·H2O, dosages of polyethylene glycol (PEG), temperature, and reaction time on the morphologies and yields of Mg(OH)2 were studied in detail. The possible mechanism of crystal growth was also explored. By carefully controlling the fundamental experimental parameters, the morphologies of needle-like nanostructures with diameters of 4 nm, nanoparticles with diameters of 20 - 30 nm, flower-like nanostructures and nanorods with diameters of 40 nm were efficiently obtained, respectively. The morphology, size and structure of the product were characterized by X-ray powder diffraction and transmission electron microscopy.

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备注/Memo

备注/Memo:
 Received:2011-09-22;Revised:2013-01-07;Accepted:2013-01-17
Foundation:Natural Science Found Council of China (21001074); Biological, Internet, New Energy, New Materials Industry Development Special Foundation of Shenzhen (XCL201110045)
Corresponding author:Professor Hong Weiliang. E-mail: szhongwl@163.com
Citation:Sun Lingna, Hong Weiliang, Liu Riming, et al. Controllable synthesis of Mg(OH)2 nanocrystals[J]. Journal of Shenzhen University Science and Engineering, 2013, 30(2): 205-209.(in Chinese)

基金项目:国家自然科学基金资助项目(21001074);深圳市生物、互联网、新能源、新材料产业发展专项基金资助项目(XCL201110045)
作者简介:孙灵娜(1981-),女(汉族),山东省聊城市人,深圳大学副教授、博士. E-mail: lindasun1999@126.com
引文:孙灵娜,洪伟良,刘日明,等. Mg(OH)2纳米晶的可控制备[J]. 深圳大学学报理工版,2013,30(2):205-209.
更新日期/Last Update: 2013-03-21