Synthesis and characterization of gibbsite nanostructures

被引：34
|
作者：
Liu, Ye [1 ]
Ma, Ding [1 ]
Blackley, Ross A. [2 ]
Zhou, Wuzong [2 ]
Han, Xiuwen [1 ]
Bao, Xinhe [1 ]
机构：
[1] Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
[2] Univ St Andrews, Sch Chem, St Andrews KY16 9ST, Fife, Scotland
来源：
JOURNAL OF PHYSICAL CHEMISTRY C | 2008年 / 112卷 / 11期
关键词：
D O I：
10.1021/jp7101572
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Single-crystal gibbsite nanorods with a high aspect ratio were synthesized by a facile hydrothermal method. Characterizations by HRTEM, SAED, and XRD revealed that the nanorods prefer to grow along the c-axis. The nanorods can be easily transformed to chi-alumina by calcination at 250 degrees C, while the nanorod morphology is well-maintained. HRTEM indicates that the chi-alumina nanorod possesses a single-crystal-like structure formed by orientated connection of crystalline nanodomains. Altering the synthetic procedure will lead to alumina nanostructures with a different phase structure and morphology, such as alumina nanotubes.
引用
收藏
页码：4124 / 4128
页数：5
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