Synthesis and characterization of chromium oxide nanocrystals via solid thermal decomposition at low temperature

被引：30
|
作者：
Li, Li [1 ,2 ]
Zhu, Zhonghua [1 ,2 ]
Yao, Xiangdong [1 ,2 ]
Lu, Gaoqing [1 ,2 ]
Yan, Zifeng [3 ]
机构：
[1] Univ Queensland, ARC Ctr Excellence Funct Nanomat, Brisbane, Qld 4072, Australia
[2] Univ Queensland, Div Chem Engn, Brisbane, Qld 4072, Australia
[3] China Univ Petr, State Key Lab Heavy Oil Proc, CNPC Key Lab Catalysis, Dongying 257061, Peoples R China
来源：
MICROPOROUS AND MESOPOROUS MATERIALS | 2008年 / 112卷 / 1-3期
关键词：
chromium oxide; solid thermal decomposition; mesopores; lamellar phase; nanocrystals;
D O I：
10.1016/j.micromeso.2007.10.044
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
Chromium oxide nanocrystals were synthesized by solid thermal decomposition using cetyltrimethylammonium bromide (CTAB) or a triblock copolymer (P123) as template agent at low temperature. The chromium oxide nanocrystals possess lamellar phase with disordered mesopore. The template surfactants (P123 or CTAB) and hydrated water play all important bridging role ill the aggregation of inorganic chromium species in the thermal decomposition of chromium nitration. The mesopores of chromium oxide are formed by eliminating CTAB or P123 from the Cr-surfactants composites with small shrinkage. (C) 2007 Elsevier Inc. All rights reserved.
引用
收藏
页码：621 / 626
页数：6
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