Subscribe free to our newsletters via your
  Solar Energy News  




Subscribe free to our newsletters via your




















SOLAR DAILY
Discovery of new transparent thin film material could improve electronics and solar cells
by Staff Writers
Minneapolis MN (SPX) May 09, 2017


A team of researchers, led by the University of Minnesota, have discovered a new nano-scale thin film material with the highest-ever conductivity in its class.

A team of researchers, led by the University of Minnesota, have discovered a new nano-scale thin film material with the highest-ever conductivity in its class. The new material could lead to smaller, faster, and more powerful electronics, as well as more efficient solar cells.

The discovery is being published in Nature Communications, an open access journal that publishes high-quality research from all areas of the natural sciences.

Researchers say that what makes this new material so unique is that it has a high conductivity, which helps electronics conduct more electricity and become more powerful. But the material also has a wide bandgap, which means light can easily pass through the material making it optically transparent. In most cases, materials with wide bandgap, usually have either low conductivity or poor transparency.

"The high conductivity and wide bandgap make this an ideal material for making optically transparent conducting films which could be used in a wide variety of electronic devices, including high power electronics, electronic displays, touchscreens and even solar cells in which light needs to pass through the device," said Bharat Jalan, a University of Minnesota chemical engineering and materials science professor and the lead researcher on the study.

Currently, most of the transparent conductors in our electronics use a chemical element called indium. The price of indium has gone up tremendously in the past few years significantly adding to the cost of current display technology. As a result, there has been tremendous effort to find alternative materials that work as well, or even better, than indium-based transparent conductors.

In this study, researchers found a solution. They developed a new transparent conducting thin film using a novel synthesis method, in which they grew a BaSnO3 thin film (a combination of barium, tin and oxygen, called barium stannate), but replaced elemental tin source with a chemical precursor of tin. The chemical precursor of tin has unique, radical properties that enhanced the chemical reactivity and greatly improved the metal oxide formation process. Both barium and tin are significantly cheaper than indium and are abundantly available.

"We were quite surprised at how well this unconventional approach worked the very first time we used the tin chemical precursor," said University of Minnesota chemical engineering and materials science graduate student Abhinav Prakash, the first author of the paper. "It was a big risk, but it was quite a big breakthrough for us."

Jalan and Prakash said this new process allowed them to create this material with unprecedented control over thickness, composition, and defect concentration and that this process should be highly suitable for a number of other material systems where the element is hard to oxidize. The new process is also reproducible and scalable.

They further added that it was the structurally superior quality with improved defect concentration that allowed them to discover high conductivity in the material. They said the next step is to continue to reduce the defects at the atomic scale.

"Even though this material has the highest conductivity within the same materials class, there is much room for improvement in addition, to the outstanding potential for discovering new physics if we decrease the defects. That's our next goal," Jalan said.

Research paper: "Wide Bandgap BaSnO3 Films with Room Temperature Conductivity Exceeding 104 Scm-1"

SOLAR DAILY
First test flight of stratospheric solar plane
Payerne, Switzerland (AFP) May 5, 2017
The first solar plane aimed at reaching the stratosphere made an initial low-altitude test flight over Switzerland Friday. The SolarStratos, a super-light, sleek, white two-seater aircraft with long wings covered with solar panels, took off from Payerne at 8:00 am (0600 GMT), according to an AFP photographer at the airbase in western Switzerland. "The maiden flight of the prototype ... w ... read more

Related Links
University of Minnesota
All About Solar Energy at SolarDaily.com

Thanks for being here;
We need your help. The SpaceDaily news network continues to grow but revenues have never been harder to maintain.

With the rise of Ad Blockers, and Facebook - our traditional revenue sources via quality network advertising continues to decline. And unlike so many other news sites, we don't have a paywall - with those annoying usernames and passwords.

Our news coverage takes time and effort to publish 365 days a year.

If you find our news sites informative and useful then please consider becoming a regular supporter or for now make a one off contribution.

SpaceDaily Contributor
$5 Billed Once


credit card or paypal
SpaceDaily Monthly Supporter
$5 Billed Monthly


paypal only

Comment using your Disqus, Facebook, Google or Twitter login.

Share this article via these popular social media networks
del.icio.usdel.icio.us DiggDigg RedditReddit GoogleGoogle

SOLAR DAILY
New breakthrough makes it easier to turn old coffee waste into cleaner biofuels

Enhancing the efficiency of cereal straw for biofuel production

Biomass powering U.S. military base

First EPA-approved outdoor field trial for genetically engineered algae

SOLAR DAILY
Amazon's new Alexa speaker has a screen too

3-D-printed 'bionic skin' could give robots the sense of touch

Computers learn to understand humans better by modelling them

Your future surgery may use an automated, robotic drill

SOLAR DAILY
Dutch open 'world's largest offshore' wind farm

Scientists track porpoises to assess impact of offshore wind farms

OX2 will manage a 45 MW wind farm owned by IKEA Group in Lithuania

Building Energy celebrates the beginning of operations and electricity generation of its first wind farm

SOLAR DAILY
Chinese carmaker Geely to be largest Saxo shareholder

Germany's Bosch sells subsidiary to China's ZMJ

Bike-sharing launched in congested Beirut

Free rides offered by Alphabet's Waymo autonomous cars

SOLAR DAILY
New model of plasma stability could help researchers predict and avoid disruptions

Can the motion of checking your smartwatch charge it?

NRL breakthrough enables safer alternative to lithium-ion batteries

Super P carbon black for reversible lithium and sodium ion storage

SOLAR DAILY
Tunnel collapse at US nuclear site raises safety concerns

Plutonium research to aid nuclear cleanup techniques

EU Plans to Hand Over Control of Euratom Nuclear Waste on UK Soil to London

Tunnel collapses at US nuke site, no radiation leak

SOLAR DAILY
Australia power grid leased to local-foreign consortium

Myanmar recovery linked to development of electrical grid

Poland central to EU energy diversification strategy

U.S. emissions generally lower last year

SOLAR DAILY
Poland EU row over ancient forest heats up

DR Congo arrests 14 Chinese for wood smuggling

DR Congo arrests 14 Chinese for wood smuggling

Long-term fate of tropical forests may not be as dire as believed




Memory Foam Mattress Review
Newsletters :: SpaceDaily :: SpaceWar :: TerraDaily :: Energy Daily
XML Feeds :: Space News :: Earth News :: War News :: Solar Energy News






The content herein, unless otherwise known to be public domain, are Copyright 1995-2017 - Space Media Network. All websites are published in Australia and are solely subject to Australian law and governed by Fair Use principals for news reporting and research purposes. AFP, UPI and IANS news wire stories are copyright Agence France-Presse, United Press International and Indo-Asia News Service. ESA news reports are copyright European Space Agency. All NASA sourced material is public domain. Additional copyrights may apply in whole or part to other bona fide parties. All articles labeled "by Staff Writers" include reports supplied to Space Media Network by industry news wires, PR agencies, corporate press officers and the like. Such articles are individually curated and edited by Space Media Network staff on the basis of the report's information value to our industry and professional readership. Advertising does not imply endorsement, agreement or approval of any opinions, statements or information provided by Space Media Network on any Web page published or hosted by Space Media Network. Privacy Statement