Issue 2, 2022

Continuous-flow syntheses of alloy nanoparticles

Abstract

Alloy nanoparticles (NPs), including core–shell, segregated and solid–solution types, show a variety of attractive properties such as catalytic and optical properties and are used in a wide range of applications. Precise control and good reproducibility in the syntheses of alloy NPs are highly demanded because these properties are tunable by controlling alloy structures, compositions, particle sizes, and so on. To improve the efficiency and reproducibility of their syntheses, continuous-flow syntheses with various types of reactors have recently been developed instead of the current mainstream approach, batch syntheses. In this review, we focus on the continuous-flow syntheses of alloy NPs and first overview the flow syntheses of NPs, especially of alloy NPs. Subsequently, the details of flow reactors and their chemistry to synthesize core–shell, segregated, solid–solution types of alloy NPs, and high-entropy alloy NPs are introduced. Finally, the challenges and future perspectives in this field are discussed.

Graphical abstract: Continuous-flow syntheses of alloy nanoparticles

Article information

Article type
Review Article
Submitted
01 Sept. 2021
Accepted
16 Nov. 2021
First published
18 Nov. 2021

Mater. Horiz., 2022,9, 547-558

Author version available

Continuous-flow syntheses of alloy nanoparticles

K. Kusada and H. Kitagawa, Mater. Horiz., 2022, 9, 547 DOI: 10.1039/D1MH01413G

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