In Situ Probing of the Particle-Mediated Mechanism of WO3-Networked Structures Grown inside Confined Mesoporous Channels
Zhang, LL; Li, J; You, HJ; Ma, CS; Lan, S; Wu, ZD; Zeng, JR; Tian, F; Fang, JX
2018
发表期刊SMALL
ISSN1613-6810
卷号14期号:4页码:-
文章类型期刊论文
摘要Nanocasting, using ordered mesoporous silica or carbon as a hard template, has enormous potential for preparing novel mesoporous materials with new structures and compositions. Although a variety of mesoporous materials have been synthesized in recent years, the growth mechanism of nanostructures in a confined space, such as mesoporous channels, is not well understood, which hampers the controlled synthesis and further application of mesoporous materials. Here, the nucleation and growth of WO3-networked mesostructures within an ordered mesoporous matrix, using an in situ transmission electron microscopy heating technique and in situ synchrotron small-angle X-ray scattering spectroscopy, are probed. It is found that the formation of WO3 mesostructures involves a particle-mediated transformation and coalescence mechanism. The liquid-like particle-mediated aggregation and mesoscale transformation process can occur in approximate to 10 nm confined mesoporous channels, which is completely unexpected. The detailed mechanistic study will be of great help for experimental design and to exploit a variety of mesoporous materials for diverse applications, such as catalysis, absorption, separation, energy storage, biomedicine, and nanooptics.
关键词Transmission Electron-microscopy Oriented Attachment Raman-spectroscopy Crystal-growth Nanoparticles Nanocrystals Silica Superlattices Catalyst Liquid
DOI10.1002/smll.201702565
收录类别SCI
语种英语
WOS记录号WOS:000423401100004
引用统计
被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/29043
专题中科院上海应用物理研究所2011-2018年
作者单位1.Zhang, LL
2.Li, J
3.You, HJ
4.Ma, CS
5.Lan, S
6.Wu, ZD
7.Zeng, JR
8.Tian, F
9.Fang, JX
推荐引用方式
GB/T 7714
Zhang, LL,Li, J,You, HJ,et al. In Situ Probing of the Particle-Mediated Mechanism of WO3-Networked Structures Grown inside Confined Mesoporous Channels[J]. SMALL,2018,14(4):-.
APA Zhang, LL.,Li, J.,You, HJ.,Ma, CS.,Lan, S.,...&Fang, JX.(2018).In Situ Probing of the Particle-Mediated Mechanism of WO3-Networked Structures Grown inside Confined Mesoporous Channels.SMALL,14(4),-.
MLA Zhang, LL,et al."In Situ Probing of the Particle-Mediated Mechanism of WO3-Networked Structures Grown inside Confined Mesoporous Channels".SMALL 14.4(2018):-.
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