porous silicon news

New business tackling grid storage problems with porous ...

Aug 01, 2019 · A small honeycomb is inserted into the silicon to create a porous silicon material and the same wafer is then applied for both the anode and the cathode. The silicon wafers are then coated with lithium and other metals to form the anode and cathode, creating a series of minuscule batteries along each silicon wafer.

Get Price

Porous Silicon | Buratto Research Group - UC Santa Barbara

Light Emitting Silicon. Visible light emission from porous Si (PSi) produced via anodic etching in aqueous HF has stimulated tremendous interest over the past several years due to its potential application in opto-electronic devices and lasers and the ability to be integrated with current Si processing technology.

Get Price

Smartmembranes - Macroporous silicon

Our macroporous silicon consists of n- or p-doped single-crystal silicon which is being etched using an photo-electrochemical process. The arrangement of the pores and the interpore distance are defined by a prestructured photo mask.

Get Price

Sunlight generates hydrogen in new porous silicon ...

Apr 10, 2014 · Porous silicon manufactured in a bottom up procedure using solar energy can be used to generate hydrogen from water, according to mechanical engineers who also see applications for .

Get Price

Porous silicon lights way for new analytical devices

Porous silicon might also be combined with new upcoming technologies, such as micro-fluidic devices, which are designed to pack dozens or hundreds of tiny "laboratories" on a single silicon chip. "Porous silicon may be used to help downsize and automate the chemistry lab, just as silicon .

Get Price

Novel porous silicon microfabrication technique increases ...

The new technique uses a thin film of porous silicon material to coat a layer of light-conducting dense silicon. The porous silicon thin film contains many connected pores and internal surfaces that greatly increase the effective area onto which a chemical component of interest – .

Get Price

iPhone plus nanoscale porous silicon equals cheap, simple ...

Jun 12, 2019 · iPhone plus nanoscale porous silicon equals cheap, simple home diagnostics. The simplest home medical tests might look like a deck of various silicon chips coated in special film, one that could detect drugs in the blood, another for proteins in the urine indicating infection, another for bacteria in water and the like. Add the bodily fluid you want to test, take a picture with your...

Smart phone plus nanoscale porous silicon equals simple ...

Jun 11, 2019 · Smart phone plus nanoscale porous silicon equals simple home medical tests ... The opinions expressed here are the views of the writer and do not necessarily reflect the views and opinions of News ...

Get Price

Porous Silicon - Sil'tronix Silicon Technologies

A porous silicon layer results from an electrochemical etching of a crystalline silicon wafer in a hydrofluoric acid based electrolyte. Various morphologies can be obtained depending on the type, the doping level, the crystalline orientation of the Si wafer and also on the electrolyte composition.

Get Price

Polymer Replicas of Photonic Porous Silicon for Sensing ...

Mar 28, 2003 · Elaborate one-dimensional photonic crystals are constructed from a variety of organic and biopolymers, which can be dissolved or melted, by templating the solution-cast or injection-molded materials in porous silicon or porous silicon dioxide layer (rugate dielectric mirror) structures. After the removal of the template by chemical dissolution, the polymer castings replicate the photonic ...

Get Price

Application of Porous Silicon in Terahertz Technology ...

Oct 01, 2009 · The effect of porous silicon film thickness on the propagation of surface plasmons is explained theoretically in this thesis and is found to be in good agreement with experimental results. Citation: S.-Z. A. Lo, "Application of Porous Silicon in Terahertz Technology", PhD Electrical and Computer Engineering, University of Maryland (2010)

Get Price

porous-silicon - Advanced Micromachining Tools

AMMT provides solutions in the field of silicon micromachining and is a premier supplier of process control equipment for wet-chemical etching of silicon, glass and quartz, possibly one of the most important fabrication processes of bulk micromachining in MEMS and microsystems technology. AMMT's fields of activity comprise anisotropic and isotropic wet etching of wafer substrates ...

Get Price

nanoscale porous silicon | News | School of Engineering ...

iPhone plus nanoscale porous silicon equals cheap, simple home diagnostics. Jun. 12, 2019— The simplest home medical tests might look like a deck of various silicon chips coated in special film, one that could detect drugs in the blood, another for proteins in the urine indicating infection, another for bacteria in water and the like. Add the bodily fluid you want to test, take a picture ...

Get Price

Porous Silicon

Photoluminescence Excitation Spectroscopy of Porous Silicon (N M Haegel & L Wang) Formation and Optical Properties of Porous Silicon (Q-S Li & R-C Fang) Porous Silicon: Surface Chemistry (K-H Li et al.) The Relationship of Structure and Surfaces to Light Emission Properties in Porous Silicon (S M Prokes)

Get Price

Sunlight generates hydrogen in new porous silicon ...

Apr 10, 2014 · Porous silicon manufactured in a bottom up procedure using solar energy can be used to generate hydrogen from water, according to mechanical engineers who also see applications for .

Get Price

Startup Aims to Tackle Grid Storage Problem With New ...

Jul 22, 2019 · According to its website, an XNRGI cell uses existing silicon semiconductor manufacturing technology to engineer a "porous" silicon battery. "Think of a traditional silicon wafer that we use for all of our electronics today," Hallquist says. "They etch a 20 x 20 micron honeycombinto that silicon to make a porous silicon. They use the ...

Get Price

iPhone plus nanoscale porous silicon equals cheap, simple ...

Jun 11, 2019 · Jun 11, 2019: iPhone plus nanoscale porous silicon equals cheap, simple home diagnostics (Nanowerk News) The simplest home medical tests might look like a deck of various silicon chips coated in special film, one that could detect drugs in the blood, another for proteins in the urine indicating infection, another for bacteria in water and the like.Add the bodily fluid you want to test, take .

Get Price

Startup aims to bring its porous silicon battery to EVs ...

Jul 20, 2019 · Tech news in your inbox. Get TechSpot's weekly newsletter ... a startup that is ready to ship a "porous" silicon battery that has better energy density and lower manufacturing costs than ...

Porous silicon anode quadruples battery capacity

Aug 31, 2017 · Researchers from the University of Eastern Finland have boosted the capacity of lithium ion batteries by a factor of four with porous silicon anodes .

Get Price

Porous silicon anode quadruples battery capacity

Aug 31, 2017 · Researchers from the University of Eastern Finland have boosted the capacity of lithium ion batteries by a factor of four with porous silicon anodes .

Get Price

Porous silicon - Wikipedia

Porous silicon (abbreviated as "PS" or "pSi") is a form of the chemical element silicon that has introduced nanopores in its microstructure, rendering a large surface to volume ratio in the order of 500 m 2 /cm 3

Get Price

Porous Silicon Sensors [image] | EurekAlert! Science News

This image illustrates the enormous increase in surface area possessed by porous silicon sensors. If we assume a traditional sensor can capture molecules on an area equivalent to that of a golf ...

Get Price

Sunlight generates hydrogen in new porous silicon | Penn ...

Porous silicon manufactured in a bottom-up procedure can be used to generate hydrogen from water using solar energy, according to a team of Penn State mechanical engineers, who also see applications for batteries, biosensors and optical electronics as outlets for this new material.

Get Price

PNNL: News - Silicon sponge improves lithium-ion battery ...

"The porous, sponge-like material we've developed gives silicon the room it needs to expand without breaking." Room for improvement. Rechargeable lithium-ion batteries have two electrodes: one that's positively charged and made of lithium and another that's negative and typically consists of graphite.

Get Price

Porous silicon enables high-Q inductors (Silicon Update ...

In fact, it may not be necessary to oxidize the porous layers for RF applications, but merely rely on the insulating nature of the porous silicon itself. The authors prepared porous silicon layers ranging from 50200 m in thickness using conventional porous silicon formation on a heavily doped silicon .

Get Price

New semiconductor processing technology developed ...

Jan 22, 2018 · Some special tricks were required, however, in order to produce porous structures from silicon carbide. The colour-selective mirror First, the surface is .

Get Price

STTR Phase I: Hydrogen Storage in Catalytically-modified ...

The energy barrier is the strong H-H bond which dominates the kinetics. The course of this project is to strategically place palladium atoms at specific sites on the matrix of porous silicon so that it can mediate the H-H bond energy and allow spillover onto the 800 m^2/gm surface area of microporous silicon.

Get Price

Porous Silicon in Practice | Wiley Online Books

Jan 13, 2012 · (Book News, 1 April 2012) Author Bios. Michael J. Sailor has been working in the porous silicon field for 20 years. He received a B.S. degree in Chemistry from Harvey Mudd College (Claremont, CA) and a PhD in Chemistry from Northwestern University (Chicago). He holds the position of Professor in the Department of Chemistry and Biochemistry at ...

Get Price

Porous Silicon Lights Way For New Analytical Devices ...

Porous silicon, a roughed-up version of the material that paved the way for the computer industry, is now smoothing the way for new types of chemical and medical analyses, including micro ...

Get Price

iPhone plus nanoscale porous silicon equals cheap, simple ...

Jun 11, 2019 · Jun 11, 2019: iPhone plus nanoscale porous silicon equals cheap, simple home diagnostics (Nanowerk News) The simplest home medical tests might look like a deck of various silicon chips coated in special film, one that could detect drugs in the blood, another for proteins in the urine indicating infection, another for bacteria in water and the like.Add the bodily fluid you want to test, take .

Get Price