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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
Source PublicationSMALL
ISSN1613-6810
Volume14Issue:4Pages:-
Subtype期刊论文
AbstractNanocasting, 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.
KeywordTransmission Electron-microscopy Oriented Attachment Raman-spectroscopy Crystal-growth Nanoparticles Nanocrystals Silica Superlattices Catalyst Liquid
DOI10.1002/smll.201702565
Indexed BySCI
Language英语
WOS IDWOS:000423401100004
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/29043
Collection中科院上海应用物理研究所2011-2018年
Affiliation1.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
Recommended Citation
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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