采用水热法制备了三维形状的薄水铝石粉体,研究前驱体对薄水铝石微观结构的影响.研究结果表明:以硝酸铝为前驱体可获得纳米薄片组装成的花型AlOOH,直径为1μm左右,在其形成过程中无机-有机协同作用起到关键作用;以氯化铝为反应物可以获得由纳米棒组装而成的三维海胆型超结构AlOOH,其直径范围为5～8μm,是由于中间产物AlOCl的溶解再结晶引起；以硫酸铝为前驱体可以获得中空球形AlOOH,其直径范围为5～8 μm,形成机制是由于中间产物碱式硫酸铝的溶解再结晶引起.水热法获得的薄水铝石可以在600℃时转变为y-Al2O3,并仍保持原有形貌.
参考文献
| [1] | 尹衍生;张景德.氧化铝陶瓷及其复合材料[M].北京:化学工业出版社,2001 |
| [2] | Tsukada T;Yasumori A;Okada K;Segawa H .Crystallinity of boehmite and its effect on the phase transition temperature of alumina[J].Journal of Materials Chemistry: An Interdisciplinary Journal dealing with Synthesis, Structures, Properties and Applications of Materials, Particulary Those Associated with Advanced Technology,1999(2):549-553. |
| [3] | TRAWCZYNSKI J T .Effect of aluminum hydroxide precipitation conditions on the alumina surface acidity[J].Industrial and Engineering Chemistry Research,1996,35(01):241-244. |
| [4] | 潘军,奚宝娟,周红洋,闫岩,钱逸泰.纳米片组装的Zn2SnO4空心八面体分级结构的制备与发光性能[J].无机化学学报,2010(06):939-945. |
| [5] | 闫岩,李海波,李敬发,潘军,钱逸泰.L-脯氨酸协助合成β-氢氧化镍和氧化镍花球及纳米三角片[J].无机化学学报,2010(07):1141-1146. |
| [6] | 史松君,朱永春,毕慧云,钱逸泰.室温下合成纺锤形貌六方相NaLnF4（Ln=Nd,Sm,Eu,Gd,Tb）纳米颗粒[J].无机化学学报,2010(09):1590-1594. |
| [7] | ZHU H Y;GAO X P;SONG D Y .Growth of boehmite nanofibers by assembling nanoparticles with surfactant micelles[J].Journal of Physical Chemistry B,2004,108:4245-4247. |
| [8] | Zhao YY;Martens WN;Bostrom TE;Zhu HY;Frost RL .Synthesis, characterization, and surface properties of iron-doped boehmite nanofibers[J].Langmuir: The ACS Journal of Surfaces and Colloids,2007(4):2110-2116. |
| [9] | Yuanyuan Li;Jinping Liu;Zhijie Jia .Fabrication of boehmite AlOOH nanofibers by a simple hydrothermal process[J].Materials Letters,2006(29/30):3586-3590. |
| [10] | 陆光伟;杨琪;邓意达;胡文彬 .水热制备一维纳米y-AlOOH的形态结构[J].无机化学学报,2009,24(03):463-468. |
| [11] | CHADRADASS J;BALASUBRAMANIAN M .Sol-gel processing of alumina fibers[J].Journal of Materials Processing Technology,2006,173:275-280. |
| [12] | Wei SY;Zhang J;Elsanousi A;Lin J;Shi FJ;Liu SJ;Ding XX;Gao JM;Qi SR;Tang CC .From Al4B2O9 nanorods to AlOOH (boehmite) hierarchical nanoarchitectures[J].Nanotechnology,2007(25):55605-1-55605-6-0. |
| [13] | Chen XY;Zhang ZH;Li XL;Lee SW .Controlled hydrothermal synthesis of colloidal boehmite (gamma-AlOOH) nanorods and nanoflakes and their conversion into gamma-Al2O3 nanocrystals[J].Solid State Communications,2008(7/8):368-373. |
| [14] | 吕建刚,张娟,丁维平,沈彬,郭学锋.勃姆石AlOOH纳米管的合成与表征[J].无机化学学报,2007(05):897-900. |
| [15] | CHEN X Y;HUH H S;SOON W LEE .Hydrothermal synthesis of boehmite (y-AlOOH) nanoplatelets and nanowires:pH-controlled morphologies[J].Nanotechnology,2007,18:285608. |
| [16] | HOU H W;XIE Y;YANG Q .Preparation and characterization of y-AlOOH nanotubes and nanorods[J].Nanotechnology,2005,16:741-745. |
| [17] | SHEN S C;NG W K;CHEN Q .Novel synthesis of lace-like nanoribbuns of boehmite and y-alumina by dry gel conversion method[J].Materials Letters,2007,61:4280-4282. |
| [18] | ZHANG J;WEI S;LIN J;LUO J J LIU S SONG H S ELAWAD E DING X X GAO J QI S R TANG C C .Template-free preparation of bunches of aligned boehmite nanowires[J].Journal of Physical Chemistry B,2006,110:21680-21683. |
| [19] | Hamed Arami;Mahyar Mazloumi;Razieh Khalifehzadeh .Bundles of self-assembled boehmite nanostrips from a surfactant free hydrothermal route[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,2008(1/2):551-554. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%