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Bulky Surface Ligands Promote Surface Reactivities of [Ag141X12(S-Adm)40]3+ (X=Cl, Br, I) Nanoclusters: Models for Multiple-Twinned Nanoparticles

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Ren, L., Yuan, P., Su, H., Malola, S., Lin, S., Tang, Z., Teo, B. K., Häkkinen, H., Zheng, L., & Zheng, N. (2017). Bulky Surface Ligands Promote Surface Reactivities of [Ag141X12(S-Adm)40]3+ (X=Cl, Br, I) Nanoclusters: Models for Multiple-Twinned Nanoparticles. Journal of the American Chemical Society, 139(38), 13288-13291. https://doi.org/10.1021/jacs.7b07926
Published in
Journal of the American Chemical Society
Authors
Ren, Liting |
Yuan, Peng |
Su, Haifeng |
Malola, Sami |
Lin, Shuichao |
Tang, Zichao |
Teo, Boon K. |
Häkkinen, Hannu |
Zheng, Lansun |
Zheng, Nanfeng
Date
2017
Discipline
Fysikaalinen kemiaNanoscience CenterPhysical ChemistryNanoscience Center
Copyright
© 2017 American Chemical Society. This is a final draft version of an article whose final version has been published by the American Chemical Society. Published in this repository with the kind permission of the publisher.

 
Surface ligands play important roles in controlling the size and shape of metal nanoparticles and their surface properties. In this work, we demonstrate that the use of bulky thiolate ligands, along with halides, as the surface capping agent promotes the formation of plasmonic multiple-twinned Ag nanoparticles with high surface reactivities. The title nanocluster [Ag141X12(S-Adm)40]3+ (where X = Cl, Br, I; S-Adm = 1-adamantanethiolate) has a multiple-shell structure with an Ag71 core protected by a shell of Ag70X12(S-Adm)40. The Ag71 core can be considered as 20 frequency-two Ag10 tetrahedra fused together with a dislocation that resembles multiple-twinning in nanoparticles. The nanocluster has a strong plasmonic absorption band at 460 nm. Because of the bulkiness of S-Adm, the nanocluster has a low surface thiolate coverage and thus unusually high surface reactivities toward exchange reactions with different ligands, including halides, phenylacetylene and thiols. The cluster can be made water-soluble by metathesis with water-soluble thiols, thereby creating new functionalities for potential bioapplications. ...
Publisher
American Chemical Society
ISSN Search the Publication Forum
0002-7863
Keywords
surface ligands nanoclusters nanohiukkaset
DOI
https://doi.org/10.1021/jacs.7b07926
URI

http://urn.fi/URN:NBN:fi:jyu-201709273859

Publication in research information system

https://converis.jyu.fi/converis/portal/detail/Publication/27227137

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  • Matemaattis-luonnontieteellinen tiedekunta [4423]
Related funder(s)
Academy of Finland
Funding program(s)
Research costs of Academy Professor, AoF
Additional information about funding
We thank the MOST of China (2017YFA0207302, 2015CB932303) and the NSFC of China (21731005, 21420102001, 21333008, 21390390) for financial support. The financial support (to B.K.T.) from iChEM, Xiamen University, and (to H.H.) from National Innovation and Intelligence Introduction Base program is gratefully acknowledged. The work in University of Jyvaskylä̈ was supported by the Academy of Finland (project 294217 and Academy Professorship to H.H.). The computations were made at the CSC computing center in Espoo, Finland. ...

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