Silica Nanotubes by Templated Thermolysis of Silicon Tetraacetate

被引：11

作者：

Chen, Xin ^{[1
]}

Berger, Andreas ^{[2
]}

Ge, Meiying ^{[1
]}

Hopfe, Sigrid ^{[2
]}

Dai, Ning ^{[1
]}

Goesele, Ulrich ^{[2
]}

Schlecht, Sabine ^{[3
]}

Steinhart, Martin ^{[4
]}

机构：

[1] Chinese Acad Sci, Shanghai Inst Tech Phys, Natl Lab Infrared Phys, Shanghai 200083, Peoples R China

[2] Max Planck Inst Microstruct Phys, D-06120 Halle, Germany

[3] Univ Giessen, Inst Anorgan & Analyt Chem, D-35392 Giessen, Germany

[4] Univ Osnabruck, Inst Chem, D-49069 Osnabruck, Germany

来源：

CHEMISTRY OF MATERIALS | 2011年 / 23卷 / 13期

关键词：

nanotubes; silica; thermolysis; block copolymers; template synthesis; nanoporous alumina; ANODIC ALUMINA; POROUS ALUMINA; ARRAYS;

D O I：

10.1021/cm200709m

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：

Silica nanotubes and silica nanohelices were obtained by thermolysis of silicon tetraacetate in nanoporous alumina in the presence of amphiphilic block copolymer soft templates. Silica preferentially forms at pore walls and at internal BCP domain boundaries to avoid the entropic penalty associated with silica formation within the polar BCP domains. © 2011 American Chemical Society.

引用

页码：3129 / 3131

页数：3

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