Spherical silica micro/nanomaterials with hierarchical structures: Synthesis and applications

被引：177
作者：
Du, Xin [1 ,2 ,3 ]
He, Junhui [1 ,2 ]
机构：
[1] Chinese Acad Sci, Funct Nanomat Lab, TIPC, Beijing 100190, Peoples R China
[2] Chinese Acad Sci, Key Lab Photochem Convers & Optoelect Mat, TIPC, Beijing 100190, Peoples R China
[3] Chinese Acad Sci, Grad Univ, Beijing 100864, Peoples R China
来源：
NANOSCALE | 2011年 / 3卷 / 10期
基金：
中国国家自然科学基金;
关键词：
HOLLOW MESOPOROUS SPHERES; SOL-GEL PROCESS; FACILE FABRICATION; SHELL; NANOPARTICLES; PARTICLES; MICROSPHERES; DELIVERY; NANOSPHERES; RELEASE;
D O I：
10.1039/c1nr10660k
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
This paper reviews the progress made recently in synthesis and applications of spherical silica micro/nanomaterials with multilevel (hierarchical) structures. The spherical silica micro/nanomaterials with hierarchical structures are classified into four main structural categories that include (1) hollow mesoporous spheres, (2) core-in-(hollow porous shell) spheres, (3) hollow spheres with multiple porous shells and (4) hierarchically porous spheres. Due to the complex structures and being focused on spherical silica micro/nanomaterials, some novel methods based on the combination of two routine methods or two surfactants, and some special synthetic strategies are proposed to produce the spherical silica micro/nanomaterials with hierarchical structures. Compared with the same-sized solid, porous or hollow silica spheres, these fantastic spherical silica micro/nanomaterials with hierarchical structures exhibit enhanced properties which may enable them to be used in broad and promising applications as ideal scaffolds (carriers) for biological, medical, and catalytic applications.
引用
收藏
页码：3984 / 4002
页数：19
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