Alarcón-Correa, M;
Lee, T-C;
Fischer, P;
(2015)
Dynamic Inclusion Complexes of Metal Nanoparticles Inside Nanocups.
[Rapid communication].
Angewandte Chemie International Edition
, 54
(23)
pp. 6730-6734.
10.1002/anie.201500635.
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Abstract
Host–guest inclusion complexes are abundant in molecular systems and of fundamental importance in living organisms. Realizing a colloidal analogue of a molecular dynamic inclusion complex is challenging because inorganic nanoparticles (NPs) with a well-defined cavity and portal are difficult to synthesize in high yield and with good structural fidelity. Herein, a generic strategy towards the fabrication of dynamic 1:1 inclusion complexes of metal nanoparticles inside oxide nanocups with high yield (>70 %) and regiospecificity (>90 %) by means of a reactive double Janus nanoparticle intermediate is reported. Experimental evidence confirms that the inclusion complexes are formed by a kinetically controlled mechanism involving a delicate interplay between bipolar galvanic corrosion and alloying–dealloying oxidation. Release of the NP guest from the nanocups can be efficiently triggered by an external stimulus.
| Type: | Article |
|---|---|
| Title: | Dynamic Inclusion Complexes of Metal Nanoparticles Inside Nanocups |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1002/anie.201500635 |
| Publisher version: | http://dx.doi.org/10.1002/anie.201500635 |
| Language: | English |
| Additional information: | This is the peer reviewed version of the following article: Alarcón-Correa, M; Lee, T-C; Fischer, P; (2015) Dynamic Inclusion Complexes of Metal Nanoparticles Inside Nanocups. [Rapid communication]. Angewandte Chemie International Edition , 54 (23) pp. 6730-6734, which has been published in final form at http://dx.doi.org/10.1002/anie.201500635. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving. |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > MAPS Faculty Office UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > MAPS Faculty Office > Institute for Materials Discovery |
| URI: | https://discovery.ucl.ac.uk/id/eprint/1474022 |
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