Laser Processed Nanosilicon: A Multifunctional Nanomaterial for Energy and Health Care.

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ID: 41106
2019
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Abstract
This review describes promising laser-based approaches to produce silicon nanostructures, including laser ablation of solid Si targets in residual gases and liquids and laser pyrolysis of silane. These methods are different from, and complementary to, widely used porous silicon technology and alternative synthesis routes. One can use these methods to make stable colloidal dispersions of silicon nanoparticles in both organic and aqueous media, which are suitable for a multitude of applications across the important fields of energy and health care. Size tailoring allows production of Si quantum dots with efficient photoluminescence that can be tuned across a broad spectral range from the visible to near-IR by varying particle size and surface functionalization. These nanoparticles can also be integrated with other nanomaterials to make multifunctional composites incorporating magnetic and/or plasmonic components. In the energy domain, this review highlights applications to photovoltaics and photodetectors, nanostructured silicon anodes for lithium ion batteries, and hydrogen generation from water. Application to nanobiophotonics and nanomedicine profit from the excellent biocompatibility and biodegradability of nanosilicon. These applications encompass several types of bioimaging and various therapies, including photodynamic therapy (PDT), RF thermal therapy, and radiotherapy. The review concludes with a discussion of challenges and opportunities in the applications of laser-processed nanosilicon.
Reference Key
kabashin2019laseracs Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Kabashin, Andrei V;Singh, Ajay;Swihart, Mark T;Zavestovskaya, Irina N;Prasad, Paras N;
Journal acs nano
Year 2019
DOI
10.1021/acsnano.9b04610
URL
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