{"title":"The Notability of Silicon Nanowires in Optoelectronic, Environment and Health","authors":"Mehdi Rahmani, Mohamed-Ali Zaïbi","doi":"10.1007/s12633-024-03110-9","DOIUrl":null,"url":null,"abstract":"<div><p>Silicon nanowires are part of nanostructures, characterized by a high surface to volume ratio or large aspect ratio (AR), between 10 and 10<sup>4</sup>. The new physicochemical properties of SiNWs compared to those of planar silicon are inevitable parameters for involving these nanostructures in the fields of nanotechnology, environment, medicine, pharmacy and others. Nevertheless, the passivation of nanowires by metal nanoparticles or a suitable semiconductor enhances their photocatalytic activities. Likewise, the addition of appropriate organic compounds improves the sensor of these nanostructures. In this paper, we first summarize an overview bottom-up and top-down production of silicon nanowires, and then the advantages and drawbacks of each method are described. Some potential implications of SiNWs in optoelectronics, photocatalysts and biosensors have been detailed. In each application, the main elements of enhancement of the composite-based on silicon nanowires covered with metal nanoparticles or functionalized with an organic compound are discussed.</p><h3>Graphical Abstract</h3><p>Research Highlights</p><p>1- MACE technique for SiNWs elaboration</p><p>2- Catalytic and photocatalytic efficiency of silicon nanowires</p><p>3- The effect of metal nanoparticles covered nanowires of silicon on catalytic and photocatalytic efficiency</p><p>4- The effect of sunlight on photocatalytic efficiency</p><p>5- The functionalization of nanowires by specific organic compounds to the cure of certain human diseases</p><p>6- The physicochemical properties of SiNWs and the origin of their involvement to produce probes immobilizing DNA on the surface</p><p>7- The implication of SiNWs in Schottky diodes (SD) and organic Schottky diodes (OSD)</p><p>8- The effect of organic molecules in the SiNWs layer</p><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":776,"journal":{"name":"Silicon","volume":"16 15","pages":"5525 - 5547"},"PeriodicalIF":2.8000,"publicationDate":"2024-08-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Silicon","FirstCategoryId":"88","ListUrlMain":"https://link.springer.com/article/10.1007/s12633-024-03110-9","RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"CHEMISTRY, PHYSICAL","Score":null,"Total":0}
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Abstract
Silicon nanowires are part of nanostructures, characterized by a high surface to volume ratio or large aspect ratio (AR), between 10 and 104. The new physicochemical properties of SiNWs compared to those of planar silicon are inevitable parameters for involving these nanostructures in the fields of nanotechnology, environment, medicine, pharmacy and others. Nevertheless, the passivation of nanowires by metal nanoparticles or a suitable semiconductor enhances their photocatalytic activities. Likewise, the addition of appropriate organic compounds improves the sensor of these nanostructures. In this paper, we first summarize an overview bottom-up and top-down production of silicon nanowires, and then the advantages and drawbacks of each method are described. Some potential implications of SiNWs in optoelectronics, photocatalysts and biosensors have been detailed. In each application, the main elements of enhancement of the composite-based on silicon nanowires covered with metal nanoparticles or functionalized with an organic compound are discussed.
Graphical Abstract
Research Highlights
1- MACE technique for SiNWs elaboration
2- Catalytic and photocatalytic efficiency of silicon nanowires
3- The effect of metal nanoparticles covered nanowires of silicon on catalytic and photocatalytic efficiency
4- The effect of sunlight on photocatalytic efficiency
5- The functionalization of nanowires by specific organic compounds to the cure of certain human diseases
6- The physicochemical properties of SiNWs and the origin of their involvement to produce probes immobilizing DNA on the surface
7- The implication of SiNWs in Schottky diodes (SD) and organic Schottky diodes (OSD)
8- The effect of organic molecules in the SiNWs layer
期刊介绍：
The journal Silicon is intended to serve all those involved in studying the role of silicon as an enabling element in materials science. There are no restrictions on disciplinary boundaries provided the focus is on silicon-based materials or adds significantly to the understanding of such materials. Accordingly, such contributions are welcome in the areas of inorganic and organic chemistry, physics, biology, engineering, nanoscience, environmental science, electronics and optoelectronics, and modeling and theory. Relevant silicon-based materials include, but are not limited to, semiconductors, polymers, composites, ceramics, glasses, coatings, resins, composites, small molecules, and thin films.
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