Facile morphology control of gold(0) structures from aurophilic assemblies

Elisabet Aguiló; Mariona Dalmases; Mengxi Lin; João Carlos Lima; Raquel Gavara; Albert Figuerola; Jordi Llorca; Laura Rodríguez

doi:10.1039/D0DT00277A

Facile morphology control of gold(0) structures from aurophilic assemblies†

Elisabet Aguiló,^a Mariona Dalmases,^ab Mengxi Lin,

^ab João Carlos Lima,

^c Raquel Gavara,^a Albert Figuerola,*^ab Jordi Llorca

*^d and Laura Rodríguez

*^ab

Author affiliations

* Corresponding authors

^a Departament de Química Inorgànica i Orgànica, Secció de Química Inorgànica, Universitat de Barcelona, Martí i Franquès 1–11, 08028 Barcelona, Spain
E-mail: laura.rodriguez@qi.ub.es, albert.figuerola@qi.ub.es

^b Institut de Nanociència i Nanotecnologia (IN2UB), Universitat de Barcelona, 08028 Barcelona, Spain

^c LAQV-REQUIMTE, Departamento de Química, Universidade Nova de Lisboa, Monte de Caparica, Portugal

^d Institute of Energy Technologies, Department of Chemical Engineering and Barcelona Research Center for Multiscale Science and Engineering, Universitat Politècnica de Catalunya, EEBE Eduard Maristany 10-14, 08019 Barcelona, Spain
E-mail: jordi.llorca@upc.edu

Abstract

Different gold microstructures have been synthesized by using supramolecular gold(I) organometallic compounds as templates and Ag nanoparticles as reducing agents. The use of fibers resulting from supramolecular assemblies of neutral gold(I) compounds gives rise to the formation of microrods. The use of supramolecular assemblies from ionic molecules results in spherical or square-based prism gold microstructures, depending on the shape of the supramolecular gold(I) precursor assembly. In addition to temperature and reaction time, solvents exert a strong influence on the formation and morphology of gold structures, as borne out by the example that well-defined star-like morphologies have been obtained in chloroform.

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DOI: https://doi.org/10.1039/D0DT00277A
Article type: Communication
Submitted: 24 Jan 2020
Accepted: 03 Mar 2020
First published: 03 Mar 2020

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Dalton Trans., 2020,49, 4200-4205

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Facile morphology control of gold(0) structures from aurophilic assemblies

E. Aguiló, M. Dalmases, M. Lin, J. C. Lima, R. Gavara, A. Figuerola, J. Llorca and L. Rodríguez, Dalton Trans., 2020, 49, 4200 DOI: 10.1039/D0DT00277A

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Dalton Transactions

Facile morphology control of gold(0) structures from aurophilic assemblies†

Abstract

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Facile morphology control of gold(0) structures from aurophilic assemblies

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