Featured Research

from universities, journals, and other organizations

Chemical Engineers' Process Grows Crops Of Nanowires

Date:
May 29, 2002
Source:
University Of Louisville
Summary:
A team of chemical engineers at the University of Louisville has developed a process for growing nanometer-scale wires that better controls the tiny wires' size, structure and composition.

LOUISVILLE, Ky. -- A team of chemical engineers at the University of Louisville has developed a process for growing nanometer-scale wires that better controls the tiny wires' size, structure and composition.

The ultrasmall structures, which are one-thousandth the size of a human hair, are expected to lead to improved design of advanced military and space gear and clothing, fuel cells, sensors and solar devices. They could also be used to fight bioterrorism more effectively.

The growing technique is novel because it uses pools or thin films of low-melting metals such as gallium to create the nanowires and uses gas-phase chemistry to control their size. Previously, scientists have assumed gold or iron clusters are needed to make a pattern for one-dimensional growth of materials.

The process also allows the scientists to grow nanowires in bulk quantities.

The research team grows crops of nanowires by spreading a thin film of molten gallium on a solid surface and exposing it to a gas in an excited state. By controlling the chemistry in a reactor, the group can form multiple nuclei that grow into multiple wires.

The process has worked using silicon, carbon, gallium oxide and gallium nitride nanowires.

Chemical engineer Mahendra Sunkara will give a presentation on the process in November at annual meetings of the Materials Research Society and the American Institute of Chemical Engineers.


Story Source:

The above story is based on materials provided by University Of Louisville. Note: Materials may be edited for content and length.


Cite This Page:

University Of Louisville. "Chemical Engineers' Process Grows Crops Of Nanowires." ScienceDaily. ScienceDaily, 29 May 2002. <www.sciencedaily.com/releases/2002/05/020529072021.htm>.
University Of Louisville. (2002, May 29). Chemical Engineers' Process Grows Crops Of Nanowires. ScienceDaily. Retrieved September 18, 2014 from www.sciencedaily.com/releases/2002/05/020529072021.htm
University Of Louisville. "Chemical Engineers' Process Grows Crops Of Nanowires." ScienceDaily. www.sciencedaily.com/releases/2002/05/020529072021.htm (accessed September 18, 2014).

Share This



More Matter & Energy News

Thursday, September 18, 2014

Featured Research

from universities, journals, and other organizations


Featured Videos

from AP, Reuters, AFP, and other news services

Stocks Hit All-Time High as Fed Holds Steady

Stocks Hit All-Time High as Fed Holds Steady

AP (Sep. 17, 2014) The Federal Reserve signaled Wednesday that it plans to keep a key interest rate at a record low because a broad range of U.S. economic measures remain subpar. Stocks hit an all-time high on the news. (Sept. 17) Video provided by AP
Powered by NewsLook.com
Space Race Pits Bezos Vs Musk

Space Race Pits Bezos Vs Musk

Reuters - Business Video Online (Sep. 16, 2014) Amazon CEO Jeff Bezos' startup will team up with Boeing and Lockheed to develop rocket engines as Elon Musk races to have his rockets certified. Fred Katayama reports. Video provided by Reuters
Powered by NewsLook.com
MIT's Robot Cheetah Unleashed — Can Now Run, Jump Freely

MIT's Robot Cheetah Unleashed — Can Now Run, Jump Freely

Newsy (Sep. 16, 2014) MIT developed a robot modeled after a cheetah. It can run up to speeds of 10 mph, though researchers estimate it will eventually reach 30 mph. Video provided by Newsy
Powered by NewsLook.com
Manufacturer Prints 3-D Car In Record Time

Manufacturer Prints 3-D Car In Record Time

Newsy (Sep. 15, 2014) Automobile manufacturer Local Motors created a drivable electric car using a 3-D printer. Printing the body only took 44 hours. Video provided by Newsy
Powered by NewsLook.com

Search ScienceDaily

Number of stories in archives: 140,361

Find with keyword(s):
Enter a keyword or phrase to search ScienceDaily for related topics and research stories.

Save/Print:
Share:

Breaking News:
from the past week

In Other News

... from NewsDaily.com

Science News

Health News

Environment News

Technology News



Save/Print:
Share:

Free Subscriptions


Get the latest science news with ScienceDaily's free email newsletters, updated daily and weekly. Or view hourly updated newsfeeds in your RSS reader:

Get Social & Mobile


Keep up to date with the latest news from ScienceDaily via social networks and mobile apps:

Have Feedback?


Tell us what you think of ScienceDaily -- we welcome both positive and negative comments. Have any problems using the site? Questions?
Mobile: iPhone Android Web
Follow: Facebook Twitter Google+
Subscribe: RSS Feeds Email Newsletters
Latest Headlines Health & Medicine Mind & Brain Space & Time Matter & Energy Computers & Math Plants & Animals Earth & Climate Fossils & Ruins