Navigation Links
Nanowires for the electronics and optoelectronics of the future
Date:6/24/2010

hanged color as a result. If different dyes are used then the gases which are toxic to humans can be detected at very low concentrations.

A surprisingly wide range of uses

However, for many sensor applications it is important that the response time be as short as possible, something which is hardly possible with compact plasma dye layers. It is, on the other hand, possible with layers which have very a porous structure, resembling the nap of a nanometer-scale carpet. Scientists hope to derive further benefits from such layers because they increase the area onto which the gas molecules to be detected can adsorb, and also shorten the diffusion distances, allowing the sensor to respond faster. Physicist Ana Borras thereupon developed a new vacuum deposition process for synthesizing organic nanowires.

In the meantime the Empa researchers made progress, learning how to manufacture nanowires with very widely varying characteristics by appropriately selecting the starting molecule and the experimental conditions. Nanowires of metallo-phthalocyanine molecules have diameters of a mere 10 to 50 nanometers and a length of up to 100 microns. What is unusual and unexpected about the new method is that by exactly controlling the substrate temperature, molecule flow and substrate treatment, the organic nanowires develop a previously unattained, perfectly monocrystalline structure.

Immediately after the first studies were made with the electron microscope it was clear to Groening that the new process could not only provide nanowires for the gas sensors but also make it possible to create complex "nanowire electric circuits" for electronic and optoelectronic applications such as solar cells, transistors and diodes. This is because the different types of nanowires can be combined as required to form networks with widely varying properties, as Groening and coworkers report in the scientific journal Advanced Materials and elsewhere.


'/>"/>
Contact: Sabine Voser
sabine.voser@empa.ch
Swiss Federal Laboratories for Materials Testing and Research (EMPA)
Source:Eurekalert  

Page: 1 2 3

Related biology technology :

1. Copper nanowires enable bendable displays and solar cells
2. Researchers use improved nanogenerators to power sensors based on zinc oxide nanowires
3. Trapping sunlight with silicon nanowires
4. New silicon-germanium nanowires could lead to smaller, more powerful electronic devices
5. Dip ordinary paper into ink infused with nanotubes and nanowires to create an instant battery
6. Nanowires key to future transistors, electronics
7. Understanding mechanical properties of silicon nanowires paves way for nanodevices
8. Penn study: Transforming nanowires into nano-tools using cation exchange reactions
9. Harvard scientists bend nanowires into 2-D and 3-D structures
10. Evidence of macroscopic quantum tunneling detected in nanowires
11. Self-assembled nanowires could make chips smaller and faster
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
Nanowires for the electronics and optoelectronics of the future
(Date:6/3/2015)... 03, 2015 Marktech Optoelectronics is pleased ... Marktech APD’s have an internal gain mechanism, fast time ... near infrared region. These APD’s are recommended for applications ... needed to overcome high pre-amp noise. In addition, Marktech ... are ideal for extreme low-level light detection and short ...
(Date:6/3/2015)... (PRWEB) June 03, 2015 From smart ... an important part in enabling success in dealing with ... and technology leaders helped bring focus to the role ... the Photonics21 annual meeting last week in ... the event, held 28 and 29 May at the ...
(Date:6/2/2015)... MIAMI (PRWEB) June 02, 2015 Global ... Latin America distributor for Bioquark, Inc.’s biologic products for the ... is the latest in Global Stem Cells Group’s ambitious expansion ... region’s growing demand for access to regenerative medicine and stem ... on the development of biologics that have the ability to ...
(Date:6/2/2015)... , June 02, 2015 Research ... of Jain PharmaBiotech,s new report "Biomarkers - ... This report follows the broad definition ... be objectively measured and evaluated as an indicator ... as pharmacological responses to a therapeutic intervention. Tests ...
Breaking Biology Technology:Marktech Introduces New Line of APDs 2Photonics21 Annual Meeting Focuses on Solutions for ‘Societal Challenges’ 2Photonics21 Annual Meeting Focuses on Solutions for ‘Societal Challenges’ 3Adimarket Named Latin American Distributor for Bioquark Biologic Products for the Regeneration and Repair of Human Organs and Tissue with Stem Cells 2Adimarket Named Latin American Distributor for Bioquark Biologic Products for the Regeneration and Repair of Human Organs and Tissue with Stem Cells 3Global Biomarkers Market Report 2015 - Technologies, Markets and Companies Analysis and Forecasts 2014-2024 2Global Biomarkers Market Report 2015 - Technologies, Markets and Companies Analysis and Forecasts 2014-2024 3
... /PRNewswire-FirstCall/ - Dragon Pharmaceutical Inc.,("Dragon" or the "Company" TSX: DDD; OTCBB: ... results,for the fiscal year ended December 31, 2007., 2007 ... to $85.8 million from $52.4 million in 2006 ... $68.9 million from ...
... New Technologies and Expanded Reach Across Europe Help Customers to Move ... ... Inc. (NYSE: TMO ), the world leader in serving science, today,launched ... technology tradeshow, taking place in Munich, Germany,from April 1 - 4. The ...
... Varian, Inc.,(NasdaqGS: VARI) announced today the release ... gas chromatography (GC), which is resistant to,damage ... columns,allow chemists to confidently analyze samples at ... Based on a stainless steel capillary, Varian,s,UltiMetal ...
Cached Biology Technology:Dragon Pharma announces 2007 full year financial results 2Dragon Pharma announces 2007 full year financial results 3Dragon Pharma announces 2007 full year financial results 4Dragon Pharma announces 2007 full year financial results 5Dragon Pharma announces 2007 full year financial results 6Dragon Pharma announces 2007 full year financial results 7Thermo Fisher Scientific Unveils New Laboratory Technologies at Analytica 2008 2Thermo Fisher Scientific Unveils New Laboratory Technologies at Analytica 2008 3Thermo Fisher Scientific Unveils New Laboratory Technologies at Analytica 2008 4Thermo Fisher Scientific Unveils New Laboratory Technologies at Analytica 2008 5Thermo Fisher Scientific Unveils New Laboratory Technologies at Analytica 2008 6Thermo Fisher Scientific Unveils New Laboratory Technologies at Analytica 2008 7New Capillary Column From Varian, Inc. Offers Durability and Performance for High Temperature GC and GC/MS 2
(Date:5/19/2015)... 19, 2015  Technology is rapidly advancing, outpacing enterprises, ... the cloud. Passwords and their management are soon to ... standards-based specifications such as those developed by the FIDO ... passwords presents for BYOD, COPE, IoT, and mobile payments, ... protocol. In response to the call ...
(Date:5/11/2015)... JOSE, Calif. , May 11, 2015 /PRNewswire/ ... developer of human interface solutions, today announced the ... Vice President and Chief Financial Officer, reporting to ... Ali replaces Synaptics, current Chief Financial Officer, ... December 2014. Mr. Ali brings ...
(Date:5/7/2015)... GOTHENBURG, Sweden , May 7, 2015 /PRNewswire/ ... new touch fingerprint sensors, FPC1022 and FPC1035, FPC,s ... FPC1022 and FPC1035 are mainly considered for integration ... decreased size gives smartphone OEMs increased possibilities to ... portfolio. The decreased size also improves possibilities for ...
Breaking Biology News(10 mins):HYPR Corp. Biometric Security Integration Kit Shields Applications and Devices Across the Internet of Things 2HYPR Corp. Biometric Security Integration Kit Shields Applications and Devices Across the Internet of Things 3Synaptics Appoints Wajid Ali as Senior Vice President and Chief Financial Officer 2FPC Introduces its Smallest Touch Fingerprint Sensors to Date 2
... of Connecticut and California State University researchers found that ... Stellwagen Bank National Marine Sanctuary showed indications of recovery ... stable. The finding is significant because bottom trawlers, dredges ... floor and benthic ecosystems that provide food and shelter ...
... microscope by removing the lens to create a system that ... hand but powerful enough to create three-dimensional tomographic images of ... in the early online edition of the journal Proceedings ... demonstration of lens-free optical tomographic imaging on a chip, a ...
... Scotland,s first fully protected marine reserve, and only the ... conservation benefits, according to new research. , After only ... signs for both fishermen and conservationists, according to a ... of Arran Seabed Trust (COAST). , The research, published ...
Cached Biology News:Optical microscope without lenses produces high-resolution 3-D images on a chip 2Optical microscope without lenses produces high-resolution 3-D images on a chip 3Scotland's first marine reserve already producing benefits 2