Nanotechnology Now

Our NanoNews Digest Sponsors


Heifer International

Wikipedia Affiliate Button


DHgate

Home > Press > Danish chemists in molecular chip breakthrough: Molecular electronics

Abstract:
Electronic components built from single molecules using chemical synthesis could pave the way for smaller, faster and more green and sustainable electronic devices. Now for the first time, a transistor made from just one molecular monolayer has been made to work where it really counts. On a computer chip.

Danish chemists in molecular chip breakthrough: Molecular electronics

Copenhagen, Denmark | Posted on June 20th, 2013

Danish Chinese collaboration behind breakthrough

The molecular integrated circuit was created by a group of chemists and physicists from the Department of Chemistry Nano-Science Center at the University of Copenhagen and Chinese Academy of Sciences, Beijing. Their discovery "Ultrathin Reduced Graphene Oxide Films as Transparent Top-Contacts for Light Switchable Solid-State Molecular Junctions" has just been published online in the prestigious periodical Advanced Materials. The breakthrough was made possible through an innovative use of the two dimensional carbon material graphene.
First step towards integrated molecular circuit

Kasper Nørgaard is an associate professor in chemistry at the University of Copenhagen. He believes that the first advantage of the newly developed graphene chip will be to ease the testing of coming molecular electronic components. But he is also confident, that it represents a first step towards proper integrated molecular circuits.

"Graphene has some very interesting properties, which cannot be matched by any other material.

What we have shown for the first time is that it's possible to integrate a functional component on a graphene chip.

I honestly feel this is front page news", says Nørgaard.

See through sandwich central to function

The molecular computer chip is a sandwich built with one layer of gold, one of molecular components and one of the extremely thin carbon material graphene. The molecular transistor in the sandwich is switched on and of using a light impulse so one of the peculiar properties of graphene is highly useful. Even though graphene is made of carbon, it's almost completely translucent.

Environmentally important. Strategically vital

The hunt for transistors, wires, contacts and other electronic components made from single molecules has had researchers working night and day. Unlike traditional components they are expected to require no heavy metals and rare earth elements. So they should be cheaper as well as less harmful to earth, water and animals. Unfortunately it has been fiendishly difficult to test how well these functional molecules work. Until now.
The luck of the draw

Previously the testing of the microscopic components had researchers resort to a method best compared to a lottery. In order to check whether or not a newly minted molecule would conduct or break a current, they had to practically dump a beakerfull of molecules between two live wires, hoping that at least one molecule had landed so that it closed the circuit.
Lottery method supplanted by precision placement

Using the new graphene chip researchers can now place their molecules with great precision. This makes it faster and easier to test the functionality of molecular wires, contacts and diodes so that chemists will know in no time whether they need to get back to their beakers to develop new functional molecules, explains Nørgaard.

"We've made a design, that'll hold many different types of molecule" he says and goes on: "Because the graphene scaffold is closer to real chipdesign it does make it easier to test components, but of course it's also a step on the road to making a real integrated circuit using molecular components. And we must not lose sight of the fact that molecular components do have to end up in an integrated circuit, if they are going to be any use at all in real life".

The work has been supported by Danish Chinese Center for Molecular Nano-Electronics and financed by the Danish National Research Foundation, the European Union 7th framework for research (FP7) and by The Lundbeck Foundation.

####

For more information, please click here

Contacts:
Kasper Nørgaard
Tel: 2917 6481


Bo Wegge Laursen
Tel: 532 1881


Communications officer Jes Andersen
Tel: 3532 4123

Copyright © University of Copenhagen

If you have a comment, please Contact us.

Issuers of news releases, not 7th Wave, Inc. or Nanotechnology Now, are solely responsible for the accuracy of the content.

Bookmark:
Delicious Digg Newsvine Google Yahoo Reddit Magnoliacom Furl Facebook

Related News Press

News and information

Nanotechnology and math deliver two-in-one punch for cancer therapy resistance June 24th, 2016

Researchers discover new chemical sensing technique: Technique allows sharper detail -- and more information -- with near infrared light June 24th, 2016

GraphExeter illuminates bright new future for flexible lighting devices June 23rd, 2016

Soft decoupling of organic molecules on metal June 23rd, 2016

Particle zoo in a quantum computer: First experimental quantum simulation of particle physics phenomena June 23rd, 2016

Graphene/ Graphite

GraphExeter illuminates bright new future for flexible lighting devices June 23rd, 2016

Govt.-Legislation/Regulation/Funding/Policy

Particle zoo in a quantum computer: First experimental quantum simulation of particle physics phenomena June 23rd, 2016

New electron microscope method detects atomic-scale magnetism June 22nd, 2016

Tailored DNA shifts electrons into the 'fast lane': DNA nanowire improved by altering sequences June 22nd, 2016

Titan shines light on high-temperature superconductor pathway: Simulation demonstrates how superconductivity arises in cuprates' pseudogap phase June 22nd, 2016

Chip Technology

GraphExeter illuminates bright new future for flexible lighting devices June 23rd, 2016

Soft decoupling of organic molecules on metal June 23rd, 2016

Particle zoo in a quantum computer: First experimental quantum simulation of particle physics phenomena June 23rd, 2016

Nanometrics to Participate in the 8th Annual CEO Investor Summit: Investor Event Held Concurrently with SEMICON West 2016 in San Francisco June 22nd, 2016

Discoveries

Nanotechnology and math deliver two-in-one punch for cancer therapy resistance June 24th, 2016

Researchers discover new chemical sensing technique: Technique allows sharper detail -- and more information -- with near infrared light June 24th, 2016

GraphExeter illuminates bright new future for flexible lighting devices June 23rd, 2016

Soft decoupling of organic molecules on metal June 23rd, 2016

Announcements

Nanotechnology and math deliver two-in-one punch for cancer therapy resistance June 24th, 2016

Researchers discover new chemical sensing technique: Technique allows sharper detail -- and more information -- with near infrared light June 24th, 2016

GraphExeter illuminates bright new future for flexible lighting devices June 23rd, 2016

Soft decoupling of organic molecules on metal June 23rd, 2016

Interviews/Book Reviews/Essays/Reports/Podcasts/Journals/White papers

Nanotechnology and math deliver two-in-one punch for cancer therapy resistance June 24th, 2016

Researchers discover new chemical sensing technique: Technique allows sharper detail -- and more information -- with near infrared light June 24th, 2016

Coexistence of superconductivity and charge density waves observed June 23rd, 2016

GraphExeter illuminates bright new future for flexible lighting devices June 23rd, 2016

Grants/Awards/Scholarships/Gifts/Contests/Honors/Records

Particle zoo in a quantum computer: First experimental quantum simulation of particle physics phenomena June 23rd, 2016

Self-assembling icosahedral protein designed: Self-assembling icosahedral protein designed June 22nd, 2016

New nanoparticle technology developed to treat aggressive thyroid cancer: Platform designed to deliver nanotherapy effective in preclinical models of metastatic anaplastic thyroid cancer June 21st, 2016

Artificial synapse rivals biological ones in energy consumption June 21st, 2016

Research partnerships

Soft decoupling of organic molecules on metal June 23rd, 2016

FEI and University of Liverpool Announce QEMSCAN Research Initiative: University of Liverpool will utilize FEI’s QEMSCAN technology to gain a better insight into oil and gas reserves & potentially change the approach to evaluating them June 22nd, 2016

Tailored DNA shifts electrons into the 'fast lane': DNA nanowire improved by altering sequences June 22nd, 2016

French Research Team Helps Extend MRI Detection of Diseases & Lower Health-Care Costs: CEA, INSERM and G2ELab Brings Grenoble Region’s Expertise In Advanced Medicine & Magnetism Applications to H2020 IDentIFY Project June 21st, 2016

NanoNews-Digest
The latest news from around the world, FREE




  Premium Products
NanoNews-Custom
Only the news you want to read!
 Learn More
NanoTech-Transfer
University Technology Transfer & Patents
 Learn More
NanoStrategies
Full-service, expert consulting
 Learn More











ASP
Nanotechnology Now Featured Books




NNN

The Hunger Project







Car Brands
Buy website traffic