A new synthesis process and characterization of three-dimensionally ordered macroporous ZrO2

被引：38

作者：

Li, Shi ^{[1
]}

Zheng, Jingtang ^{[1
]}

Yang, Welya ^{[1
]}

Zhao, Yucui ^{[1
]}

机构：

[1] China Univ Petr, State Key Lab Heavy Oil Proc, Dongying 257061, Peoples R China

来源：

MATERIALS LETTERS | 2007年 / 61卷 / 26期

关键词：

macroporous; catalysts; ZrOCl2-8H(2)O; ZrO2; surfaces;

D O I：

10.1016/j.matlet.2007.03.033

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A three-dimensionally ordered macroporous (3DOM) material ZrO2 has been successfully synthesized by using ZrOCl2 center dot 8H(2)O as precursor and polystyrene beads with diameters of 480 nm as template. The merit of this process is that ZrOCl2 center dot 8H(2)O is cheaper and has a high melting point. SEM images show that precursor concentration has an important effect in fabricating 3DOM ZrO2. The sample prepared by using the precursor solution with a concentration of 1.6 M displays a well long-ranged ordered structure and uniform pore sizes. Precursor concentration between 1.3 M and 2.0 M is considered to be the most favorable to fabricate 3DOM ZrO2. XRD analysis indicates that the crystallinity of 3DOM ZrO2 is monoclinic phase. Nitrogen adsorption and desorption measurements at 77.4 K show detailed pore structures of 3DOM ZrO2. (C) 2007 Elsevier B.V. All rights reserved.

引用

页码：4784 / 4786

页数：3

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