欢迎登录材料期刊网

材料期刊网

高级检索

以Al(NO3)·9H2O和en(乙二胺)为起始反应物,用微波水热法制备出单相纳米晶γ-AlOOH.用XRD和TG-DTG对合成产物进行了表征.结果表明:在200 ℃反应20 min,可获得平均晶粒度8.5 nm的γ-AlOOH.随着合成温度升高或反应时间延长,产物的晶粒度增加,晶胞参数减小,有助于获得热稳定性高的γ-AlOOH.

参考文献

[1] LeRoy D H.Alumina Chemicals:Science and Technology Handbook[M].Westerville,1990
[2] 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.
[3] Popa AF.;Rossignol S.;Kappenstein C. .Ordered structure and preferred orientation of boehmite films prepared by the sol-gel method[J].Journal of Non-Crystalline Solids: A Journal Devoted to Oxide, Halide, Chalcogenide and Metallic Glasses, Amorphous Semiconductors, Non-Crystalline Films, Glass-Ceramics and Glassy Composites,2002(2):169-174.
[4] S. Music;D. Dragcevic;S. Popovic .Hydrothermal crystallization of boehmite from freshly precipitated aluminium hydroxide[J].Materials Letters,1999(6):269-274.
[5] Kannan T S;Panda P K;Jaleel V A .Preparation of Pure Boehmite,Alpha-Al2O3 and Their Mixtures by Hydrothermal Oxidation of Aluminium Metal[J].Journal of Materials Science Letters,1997,16(10):830-834.
[6] Mishra D;Anand S;Panda R K et al.Effect of Anions during Hydrothermal Preparation of Boehmites[J].Materials Letters,2002,53(03):133-137.
[7] Komameni S;Roy R;Li Q H .Microwave-hydrothermal Synthesis of Ceramic Powder[J].Mater Res.Bull,1992,27(12):1393-1405.
[8] Newalkar B L;Komarneni S;Katsuki H .Microwave-hydrothermal Synthesis and Characterization of Barium Titanate Powders[J].Materials Research Bulletin,2001,36(13-14):2347-2355.
[9] A.V. Murugan;V. Samuel;V. Ravi .Synthesis of nanocrystalline anatase TiO_2 by microwave hydrothermal method[J].Materials Letters,2006(4):479-480.
[10] 王永在,陈志伟,郭红.微波水热法制备Mg-Al水滑石纳米晶[J].人工晶体学报,2008(05):1219-1223.
[11] V. Sreeja;P.A. Joy .Microwave-hydrothermal synthesis of γ-Fe_2O_3 nanoparticles and their magnetic properties[J].Materials Research Bulletin: An International Journal Reporting Research on Crystal Growth and Materials Preparation and Characterization,2007(8):1570-1576.
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:
  • 1
    0%
  • 2
    0%
  • 3
    0%
  • 4
    0%
  • 5
    0%