Journal
NANOTECHNOLOGY
Volume 32, Issue 45, Pages -Publisher
IOP Publishing Ltd
DOI: 10.1088/1361-6528/ac1a44
Keywords
Mie resonance; nanoparticles; nanoantennas; silicon nanoparticles
Funding
- JST, PRESTO [JPMJPR19T4]
- JSPS KAKENHI [18KK0141, 21K14496]
- Grants-in-Aid for Scientific Research [21K14496, 18KK0141] Funding Source: KAKEN
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This review discusses the synthesis methods and applications of colloidal silicon nanoparticles in nanophotonics, focusing on their optical responses and capability as nanoantennas for controlling light-matter interactions. Additionally, it presents the collective optical responses of silicon NPs in solution and discusses their potential applications.
Nano- and microstructures of silicon (Si) exhibit electric and magnetic Mie resonances in the optical regime, providing a novel platform for controlling light at the nanoscale and enhancing light-matter interactions. In this Review, we present recent development of colloidal Si nanoparticles (NPs) that have wide range of applications in nanophotonics. Following brief summary of synthesis methods of amorphous and crystalline Si particles with high sphericity, optical responses of single Si particles placed on a substrate are overviewed. Then, the capability as a nanoantenna to control light-matter interactions is discussed in different systems. Finally, collective optical responses of Si NPs in solution are presented and the application potentials are discussed.
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