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Silicon Nanoparticles

Silicon Wafer
Silicon Wafers
July 2, 2019
Silicon Nanoparticles

Silicon Nanoparticles

SILICON NANOPARTICLES

INTRODUCTION

With the rapid development of nanoscience and nanotechnology in multidisciplinary fields, nanomaterials have attracted great attention. The Silicon Nanoparticles on nanoscale without heavy metals has been studied extensively due to its incomparable physical and chemical properties, such as the possibility of surface functionalization, tunable multicolor light emission depending on the size, stability against photo-color and intriguing, not favorable toxicity. Applications of Si nanoparticles (NP) to energy, electronics, sensors, catalysis and biomedical sources.
Silicon Nanoparticles is a key material for the microelectronics industry. In contrast to its wide use in electronic devices, loose silicon has a limited optoelectronic application due to the indirect nature of its band gap. However, the growing growth of nanotechnology has led to many possible avenues for nanostructured silicon applications.
In addition, the quantum dots of Silicon Nanoparticles (QD), that is to say, the nanoparticles (NP) with spherical shape, are considered a robust nanocomponent for different applications. However, the most useful QDs in different applications today are based on highly toxic compounds such as CdSe, CdTe, etc. The Silicon Nanoparticles QDs are characterized by a fluorescence similar to that of traditional QD, but their toxicity is reduced. The biocompatibility, the high quantum efficiency of the photoluminescence, the photographic bleaching stability and the non-flicker behavior of the Silicon Nanoparticles QD, as well as the adjustable emission of the size and the possibility of functionalization, are the properties that have made the QDs in Efficient silicon for biological applications.
It has also been observed that Silicon Nanoparticles QDs are effective singlet oxygen photorecursors and have been used for drug release in vivo, for chip and bioanalysis applications. It has been shown that the efficiency under the excitation of two photons is three times greater than that of fluorescein. This characteristic is important for its use in bioimaging. The growing interest in Silicon Nanoparticles and Silicon Nanoparticles based nanomaterials and their applications has led to an increase in the number of studies on their adverse biological effects.
The properties of Silicon Nanoparticles are generally understood on the basis of atomic and volume Si models. Due to the benign, abundant and economical nature of Silicon Nanoparticles; The expansion of the use of Silicon in electronic, optoelectric, biological and other applications is highly desirable. Due to its different properties (eg, Emission of size and band, biocompatibility and reactive surface of Si-H and high sensitivity) and the huge market of microelectronics Yes, Silicon nanoparticles are gradually becoming one of the classes most important nano-semiconductors in the fields of sensors, electronics, optics and catalysis. It is an indirect bandgap semiconductor with a low probability of phonon-assisted radon-electron recombination (ie, with the consequent spontaneous emission of photons). However, there is a worldwide research interest in the development of a light-emitting diode Silicon, ultimately a Silicon-based laser, and in the observation of the photoluminescence (PL) properties of Si particles at the nanoscale.

SILICON NANOPARTICLES IN AGRICULTURE

It has also been observed that silicon is used by plants to strengthen their cell walls; Plants of the family Equisetaceae cannot survive in nutritious solutions without silicon. Therefore, silicon is considered an essential element for the Equisetaceae family. It was observed that the silicon content in plants ranged from 0.1 to 10%, which was attributed to different silicon absorption mechanisms. It was reported that the dissolved silicon was absorbed by the plants in the form of monosilicic acid, and some plants with high storage capacity metalloids have been reported to have different silicon transporter genes (such as LSi1, LSI2 and LSi6) to aid transport. Nanoparticles can have different properties compared to their bulk material due to their small size, the higher ratio between surface and weight and different shapes. Similarly, it has been observed that silicon nanoparticles (Si-NP) exhibit different physical and chemical properties compared to their bulk material. Therefore, it is important to know how different the interaction between Silicon nanoparticles in the environment is. Thanks to its unique properties, Silicon nanoparticles show great potential in agriculture and can work better for different biotic relieve bulk material. In addition to the direct impact of Silicon nanoparticles on plant growth and development, Silicon nanoparticles can also be used as nanoplaguids, nano-herbicides and nanofertilizers. Silicon nanoparticles can also be used as delivery agents for proteins, nucleotides and other chemicals in plants; Nano-zeolite and nanosensors incorporate Silicon nanoparticles and can be effectively used in agriculture to increase soil water retention and soil monitoring, respectively.

ENERGY AND ELECTRONIC

Silicon nanoparticles There are fascinating electronic and optical properties compared to mass silicon and have been investigated in depth for photovoltaic applications. For lithium ion applications, silicon nanowires, nanotubes and silicon silicon microporous silicon nanopiles have been extensively studied as silicon nanoparticles to overcome disappointing disadvantages of previous silicon anodes. Despite the change in the nanostructure, the researchers are constantly searching for new materials for candidate anodes with more rechargeable lithium-ion storage and a stronger ability to serve as low-charge carbon-based anode substitutes.

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