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240312s2024 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.3c03910
|2 doi
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|a eng
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| 100 |
1 |
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|a Liu, Bin
|e verfasserin
|4 aut
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| 245 |
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|a Surface Engineering and Programmed Self-Assembly of Silica Nanoparticles with Controllable Polystyrene/Poly(4-vinybenzyl azide) Patches
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|c 2024
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|a Text
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|a ƒaComputermedien
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|a Date Revised 26.03.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a The programmed self-assembly of patchy nanoparticles (NPs) through a bottom-up approach is an efficient strategy for producing highly organized materials with a predetermined architecture. Herein, we report the preparation of di- and trivalent silica NPs with polystyrene (PS)/poly(4-vinylbenzyl azide) (PVBA) patches and assemble them in a THF mixture by lowering the solvent quality. Silica-PS/PVBA colloidal hybrid clusters were synthesized through the seeded growth emulsion copolymerization of styrene and 4-vinylbenzyl azide (VBA) in varying ratios. Subsequently, macromolecules on silica NPs originating from the copolymerization of growing PS or PVBA chains with the surface-grafted MMS compatibilizer are engineered by fine-tuning of polymer compositions or adjustment of solvent qualities. Moreover, multistage silica regrowth of tripod and tetrapod allowed a fine control of the patch-to-particle size ratio ranging from 0.69 to 1.54. Intriguingly, patchy silica NPs (1-, 2-, 3-PSNs) rather than hybrid clusters are successfully used as templates for multistep regrowth experiments, leading to the formation of silica NPs with a new morphology and size controllable PVBA/PS patches. Last but not least, combined with mesoscale dynamics simulations, the self-assembly kinetics of 2-PSN and 3-PSN into linear colloidal polymers and honeycomb-like lattices are studied. This work paves a new avenue for constructing colloidal polymers with a well-defined sequence and colloidal crystals with a predetermined architecture
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|a Journal Article
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1 |
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|a Lv, Dong-Mei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Yan-Lan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Wei-Ya
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Sun, Yu-Wei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Zhan-Wei
|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 40(2024), 12 vom: 26. März, Seite 6363-6374
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|x 1520-5827
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| 773 |
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|g volume:40
|g year:2024
|g number:12
|g day:26
|g month:03
|g pages:6363-6374
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| 856 |
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|u http://dx.doi.org/10.1021/acs.langmuir.3c03910
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