Nanotechnology Now







Heifer International

Wikipedia Affiliate Button


DHgate

Home > Press > Organic nanowires open up possibilities

Abstract:
Swiss and German materials scientists have created simple networks of organic nanowires for future electronic and optoelectronic components.

Organic nanowires open up possibilities

EU | Posted on July 12th, 2010

The successful approach synthesises the complex and incredibly thin nanowire structures, and joins them to electrically conducting links (essentially creating an electronic circuit). The result is a culmination of work that began in 2006 under the PHODYE ('New photonic systems on a chip based on dyes for sensor applications scalable at wafer fabrication') project, which was funded EUR 1.92 million under the 'Information society technologies' (IST) Thematic area of the EU's Sixth Framework Programme (FP6).

The PHODYE project was initiated by Dr Angel Barranco from the Instituto de Ciencia de Materiales de Sevilla in Spain, who invited his former colleagues from the Swiss Federal Laboratories for Materials Testing and Research (Empa) to become involved. Empa is one of eight academic and industrial partners from four European countries (Belgium, Spain, Sweden and Switzerland) currently working on the project.

The aim is to develop a new family of sensor devices that combines dye sensor films and photonic structures. These incredibly sensitive gas sensors (made up of thin films that change colour and fluoresce on contact with certain gas molecules) could eventually be used to monitor vehicle emissions or to provide warnings of the presence of poisonous substances.

It was during their work on PHODYE that Empa's Ana Borras, Oliver Gröning and Pierangelo Gröning, and Jürgen Köble from Omicron Nanotechnology in Germany created the unique methodology for connecting organic nanowires. The result is a step towards the manufacture of cheaper and more flexible sensors, transistors, diodes, and other components, ranging from the micro all the way to the nano scale.

The physicists developed a new vacuum deposition process for synthesising organic nanowires and discovered how to manufacture nanowires with largely varying characteristics by appropriately selecting the starting molecule and the experimental conditions. Their method is particularly unusual and surprising because it has generated a perfectly monocrystalline structure by precisely controlling the substrate temperature, molecule flow and substrate treatment.

The team soon discovered that the new process was not only able to provide nanowires for the gas sensors needed under PHODYE, but it opened the door to creating complex 'nanowire electric circuits' for electronic and optoelectronic applications (e.g. solar cells).

The reason being that the range of nanowires can be used together (as required) to form networks with broadly varying properties. The secret to this lies in having decorated (using a sputter-coating process) the nanowires growing on the surface with silver nanoparticles. Thanks to these particles, more nanowires can be grown that are in electrical contact with the original wires - the foundation of an electrical circuit on the nanoscale.

Dr Gröning explained that the potential exists for being able to manufacture organic semiconductor materials, which are very attractive candidates for the manufacture of inexpensive, large area and flexible electronic components.

The team has presented the results of their finding in the journal Advanced Materials. The PHODYE project formally concludes in October 2010.

For more information, please visit:

Swiss Federal Laboratories for Materials Testing and Research (Empa):
www.empa.ch/plugin/template/empa/3/*/---/l=2

PHODYE www.phodye.icmse.csic.es/

Advanced Materials www3.interscience.wiley.com/journal/10008336/home

####

For more information, please click here

Copyright © CORDIS

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

Nanotech-enabled moisturizer speeds healing of diabetic skin wounds: Spherical nucleic acids silence gene that interferes with wound healing April 24th, 2015

Fast and accurate 3-D imaging technique to track optically trapped particles April 24th, 2015

Pseudoparticles travel through photoactive material: KIT scientists measure important process in the conversion of light energy -- publication in Nature Communications April 24th, 2015

Scientists Use Nanoscale Building Blocks and DNA 'Glue' to Shape 3D Superlattices: New approach to designing ordered composite materials for possible energy applications April 23rd, 2015

Thin films

Phonons, arise! Small electric voltage alters conductivity in key materials April 22nd, 2015

Better battery imaging paves way for renewable energy future April 20th, 2015

Cobalt film a clean-fuel find: Rice University discovery is efficient, robust at drawing hydrogen and oxygen from water April 15th, 2015

The microscopic topography of ink on paper: Researchers have analyzed the varying thickness of printed toner in unprecedented 3-D detail, yielding insights that could lead to higher quality, less expensive and more environmentally-friendly glossy and non-glossy papers April 14th, 2015

Possible Futures

Printing Silicon on Paper, with Lasers April 21st, 2015

A glass fiber that brings light to a standstill: By coupling photons to atoms, light in a glass fiber can be slowed down to the speed of an express train; for a short while it can even be brought to a complete stop April 9th, 2015

Nanotechnology in Medical Devices Market is expected to reach $8.5 Billion by 2019 March 25th, 2015

Nanotechnology Enabled Drug Delivery to Influence Future Diagnosis and Treatments of Diseases March 21st, 2015

Academic/Education

Iranian Female Professor Awarded UNESCO Medal in Nanoscience April 20th, 2015

JPK reports on the use of the NanoWizard® 3 AFM system at the Hebrew University of Jerusalem April 14th, 2015

UK National Graphene Institute Selects Bruker as Official Partner: World-Leading Graphene Research Facility Purchases Multiple Bruker AFMs April 7th, 2015

SUNY Poly CNSE and Title Sponsor SEFCU Name Capital Region Teams Advancing to the Final Round of the 2015 New York Business Plan Competition March 30th, 2015

Sensors

ORNL reports method that takes quantum sensing to new level April 23rd, 2015

New class of 3D-printed aerogels improve energy storage April 22nd, 2015

‘Oxford Instruments Young Nanoscientist India Award 2015’ to Prof. Arindam Ghosh April 20th, 2015

Optical resonance-based biosensors designed for medical applications April 18th, 2015

Nanoelectronics

Surface matters: Huge reduction of heat conduction observed in flat silicon channels April 23rd, 2015

New class of 3D-printed aerogels improve energy storage April 22nd, 2015

‘Oxford Instruments Young Nanoscientist India Award 2015’ to Prof. Arindam Ghosh April 20th, 2015

Advances in molecular electronics: Lights on -- molecule on: Researchers from Dresden and Konstanz succeed in light-controlled molecule switching April 20th, 2015

Announcements

Nanotech-enabled moisturizer speeds healing of diabetic skin wounds: Spherical nucleic acids silence gene that interferes with wound healing April 24th, 2015

Fast and accurate 3-D imaging technique to track optically trapped particles April 24th, 2015

Pseudoparticles travel through photoactive material: KIT scientists measure important process in the conversion of light energy -- publication in Nature Communications April 24th, 2015

Surface matters: Huge reduction of heat conduction observed in flat silicon channels April 23rd, 2015

Photonics/Optics/Lasers

Fast and accurate 3-D imaging technique to track optically trapped particles April 24th, 2015

ORNL reports method that takes quantum sensing to new level April 23rd, 2015

Quantum 'paparazzi' film photons in the act of pairing up April 22nd, 2015

Phonons, arise! Small electric voltage alters conductivity in key materials April 22nd, 2015

Research partnerships

Pseudoparticles travel through photoactive material: KIT scientists measure important process in the conversion of light energy -- publication in Nature Communications April 24th, 2015

Electron spin brings order to high entropy alloys April 23rd, 2015

Surface matters: Huge reduction of heat conduction observed in flat silicon channels April 23rd, 2015

Drexel materials scientists putting a new spin on computing memory April 22nd, 2015

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