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231224s2013 xx |||||o 00| ||eng c |
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|a 10.1021/la401579z
|2 doi
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|a pubmed24n0766.xml
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|a eng
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| 100 |
1 |
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|a Du, Ai
|e verfasserin
|4 aut
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|a Reaction-induced microsyneresis in oxide-based gels
|b the assembly of hierarchical microsphere networks
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|c 2013
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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| 500 |
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|a Date Completed 21.03.2014
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|a Date Revised 10.09.2013
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Rigid and stable networks composed of litchi-shaped microspheres were formed via hierarchical self-assembly (SA) of oxide-based nanoparticles (NPs). The phenomenon of the apparent changes from NPs networks to microspheres networks after the gelation was similar to normal microsyneresis. However, in-situ composition evolution results indicate that the SA is driven by interparticle dehydration, but not affinity difference between the network for itself and for the solvent. In-situ small-angle X-ray scattering (SAXS), UV-vis-NIR, and electric conductivity were used to study the microsyneresis process. To further demonstrate the mechanism, extra complexant was added and successfully restrained the NPs-microsphere transition by inactivating the surface hydroxyl of the NPs. Considering the structural similarity, this work may provide a new approach to control the assemblies of diverse oxide-based NPs
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|a Journal Article
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1 |
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|a Zhou, Bin
|e verfasserin
|4 aut
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1 |
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|a Xu, Weiwei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yu, Qiujie
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Shen, Yang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Zhihua
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Shen, Jun
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wu, Guangming
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 29(2013), 36 vom: 10. Sept., Seite 11208-16
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
1 |
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|g volume:29
|g year:2013
|g number:36
|g day:10
|g month:09
|g pages:11208-16
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| 856 |
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|u http://dx.doi.org/10.1021/la401579z
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