Black silicon
Near infrared optical absorption enhanced in black silicon via Ag nanoparticle induced localized surface plasmon
... crystalline silicon (C-Si) de- creases seriously due to its high reflectivity to the visible and near infrared ...of silicon, many approaches have been ex- ...crystalline silicon. In es- sence, ...
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Electronic States of Nanocrystal Doped with Oxygen and Visible Emission on Black Silicon Prepared by ns Laser
... We fabricated the black silicon (BS) structures by using nanosecond pulsed laser (ns-laser) in vacuum or in oxygen environment. It is interesting that the enhanced visible emission occurs in the ...
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Black Silicon on Micropillars with Minimal Surface Area Enlargement to Enhance the Performance of Silicon Solar Cells
... Although black silicon is used widely as an antireflection coating in solar cells, the corresponding electrical properties are usually poor because the accompanied enlarged surface area can result in ...
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Black silicon with self cleaning surface prepared by wetting processes
... textured silicon was character- ized using a scanning electron microscope (SEM; JSM- 5900 Lv, JEOL, Tokyo, ...the black silicon in tapping ...the black silicon surface were ...
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The Enhanced Light Absorptance and Device Application of Nanostructured Black Silicon Fabricated by Metal assisted Chemical Etching
... of black silicon is extremely important not only for the fundamental studies of novel perform- ance of silicon material in optical engineering but also for its likeable applications in ...
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Optimization of the Surface Structure on Black Silicon for Surface Passivation
... black silicon, only the front surface has nanostructure, and the back surface is polished. Equation (2) and infinite car- rier bulk lifetime assumption are still valid, and the effective surface ...
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Abstract: Black Silicon (BSi) is an interesting surface texture for solar cells because of its extremely low
... Abstract: Black Silicon (BSi) is an interesting surface texture for solar cells because of its extremely low reflectance on a wide wavelength range and acceptance ...of black silicon, ...
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Enhanced near infrared absorber: two step fabricated structured black silicon and its device application
... industry, black silicon has been widely used in sensitive photoelectronic detectors, solar cells, biochem- ical sensors, display devices, and optical communication objects ...of black sili- con have ...
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Review Application of Nanostructured Black Silicon
... spot size, pulse number and density, and scanning parame- ters are crucial to the form of sharp conical micro-spike arrays in substrate surface. While the micro-textured surface greatly decreases the reflection, the ...
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Bactericidal activity of black silicon
... faults. Black silicon clusters spanned 20–80 nm diameters with a bimodal distribu- tion, whereas dragonfly clusters showed a clear sigmoidal population distribution below 90 nm, with many of these clusters ...
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An Investigation on a Crystalline Silicon Solar Cell with Black Silicon Layer at the Rear
... Highly surface-etched Si that has been loaded or doped with metal or non-metal ions could exhibit strong and broadband absorptivity [1–6]. This type of Si, or black Si (b-Si), has attracted much attention for its ...
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Compensating the Degradation of Near Infrared Absorption of Black Silicon Caused by Thermal Annealing
... It is well known that Si is the most economical, techno- logically sophisticated material with the highest crystal quality among all semiconductors. However, due to its wide bandgap of 1.12 eV, Si has less absorption in ...
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Tailoring Thermal Radiation from Near Field to Far Field
... Secondly, we applied photonic design on semiconductors and experimentally demon- strated two different schemes of spectrally selective absorbers. Scalability of the germanium photonic crystal structure remains a big ...
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Diffusion in Semiconductors by Using Fourier Series Expansion Technique
... Doping by diffusion is still one of acceptable and important methods that have essential technological applications. A theoretical approach to study diffusion in semi-conductors is introduced. The diffusion equation ...
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Highly efficient human serum filtration with water-soluble nanoporous nanoparticles
... Background: Human serum has the potential to become the most informative source of novel biomarkers, but its study is very difficult due to the incredible complexity of its molecular compo- sition. We describe a novel ...
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Solubilities and Equilibrium Distribution Coefficients of Oxygen and Carbon in Silicon
... the silicon rod were determined as a func- tion of the distance from top by CPAA (charged particle ac- tivation analysis) ...of silicon carbide on the surface of silicon rods was concluded as the ...
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Surface-Assisted Laser Desorption/Ionization-Mass Spectrometry (SALDI-MS) of Controlled Nanofeatures and the Associated Thermal Properties
... direction and rate of current change during exposure to air. 36 Adsorbates on the surface of Si can cause the surface electron conductivity to increase or decrease. 37 The large surface area of porous silicon ...
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Lateral electrical transport, optical properties and photocurrent measurements in two dimensional arrays of silicon nanocrystals embedded in SiO2
... a silicon dioxide layer of 18 ...a silicon dioxide barrier layer was also formed between the Si NCs in the films during oxidation, redu- cing also the lateral size of the Si ...superficial silicon ...
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PLASMA SILICON ANTENNA
... Abstract: Growing need for speed of communication network along with data handling capacity are the major forces helping to explore new vistas of transmission and reception. With the wireless generations moving from 2G ...
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ICP Etching of Silicon for Micro and Nanoscale Devices
... doped silicon pillar should have a very low ...to silicon connection was actually a Schottky diode, vice an Ohmic tunnel contact, then as the resistances of the pillars increased it would adversely affect ...
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