Self-assembly of flowerlike AlOOH (boehmite) 3D nanoarchitectures

被引：128

作者：

Zhang, Jun ^{[1
]}

Liu, Sujing ^{[1
]}

Lin, Jing ^{[1
]}

Song, Haisheng ^{[1
]}

Luo, Junjie ^{[1
]}

Elssfah, E. M. ^{[1
]}

Ammar, E. ^{[1
]}

Huang, Yang ^{[1
]}

Ding, Xiaoxia ^{[1
]}

Gao, Jianming ^{[1
]}

Qi, Shouren ^{[1
]}

Tang, Chengcun ^{[1
]}

机构：

[1] Cent China Normal Univ, Dept Phys, Wuhan 430079, Peoples R China

来源：

JOURNAL OF PHYSICAL CHEMISTRY B | 2006年 / 110卷 / 29期

关键词：

D O I：

10.1021/jp062105f

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：

In this work, a hydrothermal route using an ethanol-water solution to progressively synthesize a sequence of flowerlike three-dimensional gamma-AlOOH boehmite nanostructures without employing templates or matrixes for self-assembly is presented. The flowerlike boehmite nanoarchitectures exhibit three hierarchies of self-organization, i.e., single-crystalline nanorods, nanostrips, and bundles, which are characterized by scanning and transmission electron microscopy. The sequence of products obtained after different processing times indicates a self-assembly mechanism. The hydrogen bonding on the surface of nanorods or nanostrips possibly plays a key role, as identified by FTIR spectra of the products after they had been heated to 1000 degrees C. The specific surface area and pore-size distribution of the obtained product as determined by gas-sorption measurements show that the boehmite nanoarchitectures exhibit high BET surface area and porosity properties.

引用

页码：14249 / 14252

页数：4

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