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

页码：4124 / 4128

页数：5

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