University of Illinois at Chicago scientists have discovered a new chemical method that enables graphene to be incorporated into a wide range of applications while maintaining its ultra-fast electronics
Graphene, a lightweight, thin, flexible material, can be used to enhance the strength and speed of computer display screens, electric/photonics circuits, solar cells and various medical, chemical and industrial processes, among other things. It is comprised of a single layer of carbon atoms bonded together in a repeating pattern of hexagons.
Isolated for the first time 15 years ago by a physics professor at the University of Manchester in England, it is so thin that it is considered two-dimensional and thought to be the strongest material on the planet.
Vikas Berry, associate professor and department head of chemical engineering, and colleagues used a chemical process to attach nanomaterials on graphene without changing the properties and the arrangement of the carbon atoms in graphene. By doing so, the UIC scientists retained graphene’s electron-mobility, which is essential in high-speed electronics.
The addition of the plasmonic silver nanoparticles to graphene also increased the material’s ability to boost the efficiency of graphene-based solar cells by 11 fold, Berry said.
The research, funded by the National Science Foundation (CMMI-1030963), has been published in the journal Nano Letters.
Instead of adding molecules to the individual carbon atoms of graphene, Berry’s new method adds metal atoms, such as chromium or molybdenum, to the six atoms of a benzoid ring. Unlike carbon-centered bonds, this bond is delocalized, which keeps the carbon atoms’ arrangement undistorted and planar, so that the graphene retains its unique properties of electrical conduction.
The new chemical method of annexing nanomaterials on graphene will revolutionize graphene technology by expanding the scope of its applications, Berry said.
“It’s been a challenge to interface graphene with other nano-systems because graphene lacks an anchoring chemistry,” he said. “And if graphene’s chemistry is changed to add anchors, it loses its superior properties. The distinction of our chemistry will enable integration of graphene with almost anything, while retaining its properties.
“We envision that our work will motivate a worldwide move towards ‘ring-centered’ chemistries to interface graphene with other systems.”
Learn more: New chemical method could revolutionize graphene
The Latest on: Graphene technology
[google_news title=”” keyword=”graphene technology” num_posts=”10″ blurb_length=”0″ show_thumb=”left”]
- Graphene Flagship Culminates with Groundbreaking Findings and Innovationson February 23, 2024 at 12:02 am
The Graphene Flagship, Europe's largest-ever research initiative with a one billion Euro budget, concludes its ten-year journey, yielding signifi ...
- Graphene research: Numerous products, no acute dangerson February 22, 2024 at 8:55 am
Think big. Despite its research topic, this could well be the motto of the Graphene Flagship, which was launched in 2013: With an overall budget of one billion Euros, it was Europe's largest research ...
- Electrons in graphene exhibit very strange fractional behavioron February 22, 2024 at 5:49 am
A team of MIT physicists has made an intriguing discovery involving electrons and graphene, a material no thicker than a single atom and derived from common graphite.
- New Non-Toxic Method for Producing High-Quality Graphene Oxideon February 21, 2024 at 4:00 pm
Researchers from Umeå have found a new way to synthesize graphene oxide which has significantly fewer defects compared to materials produced by most common method. Similarly good graphene oxide could ...
- Fresh meat: New biosensor accurately and efficiently determines meat freshnesson February 20, 2024 at 6:42 pm
Despite the technological advances keeping meat fresh for as long as possible, certain aging processes are unavoidable. Adenosine triphosphate is a molecule produced by breathing and responsible for ...
- New biosensor accurately and efficiently determines meat freshnesson February 20, 2024 at 8:00 am
Hanoi University of Science and Technology, and the Russian Academy of Sciences developed a biosensor using graphene electrodes modified by zinc oxide nanoparticles to measure HXA. The team ...
- Global Graphene Battery Market Size is Projected to Reach USD 957 million by 2030, Growing at a CAGR of 31.4%: Straits Researchon February 19, 2024 at 7:25 am
Due to characteristics including quick charging capacity, enhanced charge cycles, effectiveness in high temperatures, and extended hold-charge length, graphene-based batteries are predicted to become ...
- Why Your Next Power Bank Should Have Grapheneon February 16, 2024 at 7:59 am
Graphene technology is poised to revolutionize batteries, making them charge faster and last longer. Graphene batteries are also safer and less likely to shut down due to overheating. The nano ...
- How Graphene Batteries Are Poised to Revolutionize Cordless Power Toolson February 14, 2024 at 11:30 am
Graphene is a nano material used in batteries to make them more efficient. It allows lithium ion batteries to hold a charge longer and charge faster.
- From Impossible to Reality: Researchers Create First Functional Semiconductor Made From Grapheneon February 11, 2024 at 10:24 am
Scientists at the Georgia Institute of Technology have developed the world's first world’s first functional semiconductor made from graphene. Graphene, characterized by a single layer of carbon atoms ...
via Google News and Bing News