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240327s2024 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.3c03415
|2 doi
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|a eng
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|a Singh, Karnika
|e verfasserin
|4 aut
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|a Pair Interactions of Self-Propelled SiO2-Pt Janus Colloids
|b Chemically Mediated Encounters
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|c 2024
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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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|a Date Revised 09.04.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Driven by the necessity to achieve a thorough comprehension of the bottom-up fabrication process of functional materials, this experimental study investigates the pairwise interactions or collisions between chemically active SiO2-Pt Janus colloids. These collisions are categorized based on the Janus colloids' orientations before and after they make physical contact. In addition to the hydrodynamic interactions, the Janus colloids are also known to affect each other's chemical field, resulting in chemophoretic interactions, which depend on the degree of surface anisotropy in reactivity of Janus colloid and the solute-surface interaction at play. Our study reveals that these interactions lead to a noticeable decrease in particle speed and changes in orientation that correlate with the contact duration and yield different collision types. Distinct configurations of contact during collisions were found, whose mechanisms and likelihood are found to be dependent primarily on the chemical interactions. Such estimates of collision and their characterization in dilute suspensions shall have a key impact in determining the arrangement and time scales of dynamical structures and assemblies of denser suspensions and potentially the functional materials of the future
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|a Journal Article
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|a Raman, Harishwar
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Tripathi, Shwetabh
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Sharma, Hrithik
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Choudhary, Akash
|e verfasserin
|4 aut
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| 700 |
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|a Mangal, Rahul
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 40(2024), 14 vom: 09. Apr., Seite 7328-7343
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
1 |
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|g volume:40
|g year:2024
|g number:14
|g day:09
|g month:04
|g pages:7328-7343
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|u http://dx.doi.org/10.1021/acs.langmuir.3c03415
|3 Volltext
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