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Issue 32, 2020
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Challenges and opportunities in the bottom-up mechanochemical synthesis of noble metal nanoparticles

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Abstract

Mechanochemistry is a promising alternative to solution-based protocols across the chemical sciences, enabling different types of chemistries in solvent-free and environmentally benign conditions. The use of mechanical energy to promote physical and chemical transformations has reached a high level of refinement, allowing for the design of sophisticated molecules and nanostructured materials. Among them, the synthesis of noble metal nanoparticles deserves special attention due to their catalytic applications. In this review, we discuss the recent progress on the development of mechanochemical strategies for the controlled synthesis of noble metal nanostructures. We start by covering the fundamentals of different preparation routes, namely top-down and bottom-up approaches. Next, we focus on the key examples of the mechanochemical synthesis of non-supported and supported metal nanoparticles as well as hybrid nanomaterials containing noble metals. In these examples, in addition to the principles and synthesis mechanisms, their performances in catalysis are discussed. Finally, a perspective of the field is given, where we discuss the opportunities for future work and the challenges of mechanochemical synthesis to produce well-defined noble metal nanoparticles.

Graphical abstract: Challenges and opportunities in the bottom-up mechanochemical synthesis of noble metal nanoparticles

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Article information


Submitted
21 May 2020
Accepted
27 Jul 2020
First published
28 Jul 2020

This article is Open Access

J. Mater. Chem. A, 2020,8, 16114-16141
Article type
Review Article

Challenges and opportunities in the bottom-up mechanochemical synthesis of noble metal nanoparticles

P. F. M. de Oliveira, R. M. Torresi, F. Emmerling and P. H. C. Camargo, J. Mater. Chem. A, 2020, 8, 16114
DOI: 10.1039/D0TA05183G

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