Nanotechnology Now

Our NanoNews Digest Sponsors







Heifer International

Wikipedia Affiliate Button


Home > Press > Graphene sheet thickness measured with SARFUS optical technique

Abstract:
A recent article in Journal of American Chemical Society from researchers at the University of Bordeaux (France) shows graphene sheets visualized and measured with the SARFUS optical technique [1].

Graphene sheet thickness measured with SARFUS optical technique

France | Posted on February 26th, 2009


This characterization was done in the framework of negatively charged graphene layers preparation from a graphite intercalation compound by dissolution in N-methylpyrrolidone. The dissolution is done spontaneously without sonication and yields to stable, air-sensitive solutions of laterally extended atom-thick graphene sheets and ribbons with dimensions over tens of micrometers. Graphene sheets characterization by Sarfus yields height of 0.3nm, in good accordance with AFM analyses on mica which give the actual height of graphene (ca. 0.4nm).

SARFUS is a new optical characterisation tool at the nanoscale commercialised by NANOLANE (Montfort-le-Gesnois, France) that increases the sensitivity of incoherent light optical microscopy to a point where it becomes possible to directly visualize nanometric films and isolated nano-objects with a standard optical microscope. Applications include for example rapid defect visualization of soft lithography, quality control of DNA biochips, direct visualization and measurement of nanolithography patterns, thin films and surface treatment studies, dynamic studies of crystallization and wetting applications, as well as direct behaviour and morphology characterization of nanotubes and nanowires.

[1] C.Valles et al, J. Am. Chem. Soc., 2008, 130 (47), pp 15802-15804

####

For more information, please click here

Contacts:
Philippe Croguennoc

Copyright © NANOLANE

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

Aspen Aerogels Announces $22.5 Million Private Placement May 18th, 2013

NanoInk, Inc. Assets To Be Sold May 18th, 2013

Beautiful "flowers" self-assemble in a beaker: Elaborate nanostructures blossom from a chemical reaction perfected at Harvard May 17th, 2013

Scientists capture first direct proof of Hofstadter butterfly effect May 17th, 2013

Add boron for better batteries: Rice University theorists say graphene-boron mix shows promise for lithium-ion batteries May 17th, 2013

Imaging

Beautiful "flowers" self-assemble in a beaker: Elaborate nanostructures blossom from a chemical reaction perfected at Harvard May 17th, 2013

Scientists capture first direct proof of Hofstadter butterfly effect May 17th, 2013

Chip Technology

UC Riverside scientists discovering new uses for tiny carbon nanotubes: Adding ionic liquid to nanotube films could build smaller gadgets, and create more cost effective 'Smart Windows' that darken in bright sun May 15th, 2013

Nanometrics Announces Upcoming Investor Events May 14th, 2013

HELIOS Program Develops Complete Supply Chain for Integrating Photonics with CMOS Circuit via IC Fabrication Processes May 14th, 2013

Silex Microsystems Joins ENIAC Project PROMINENT To Bring Flexible and Cost Effective Inkjet Technologies to the MEMS Manufacturing Process: Silex Will Develop New Solutions for Through-Silicon Via Manufacture and Hermetic Wafer Bonding May 13th, 2013

Discoveries

Beautiful "flowers" self-assemble in a beaker: Elaborate nanostructures blossom from a chemical reaction perfected at Harvard May 17th, 2013

Artificial Forest for Solar Water-Splitting: Berkeley Lab Researchers Report First Fully Integrated Artificial Photosynthesis Nanosystem May 17th, 2013

Moth-Inspired Nanostructures Take the Color Out of Thin Films May 17th, 2013

Scientists capture first direct proof of Hofstadter butterfly effect May 17th, 2013

Announcements

Aspen Aerogels Announces $22.5 Million Private Placement May 18th, 2013

NanoInk, Inc. Assets To Be Sold May 18th, 2013

NIA Public Briefing: Nanotechnology and the Council of Europe May 17th, 2013

Scientists capture first direct proof of Hofstadter butterfly effect May 17th, 2013

Tools

NanoInk, Inc. Assets To Be Sold May 18th, 2013

Beautiful "flowers" self-assemble in a beaker: Elaborate nanostructures blossom from a chemical reaction perfected at Harvard May 17th, 2013

Scientists capture first direct proof of Hofstadter butterfly effect May 17th, 2013

DNA-Guided Assembly Yields Novel Ribbon-Like Nanostructures: Approach could be useful in fabricating new kinds of materials with engineered properties May 16th, 2013

Photonics/Optics/Lasers

Moth-Inspired Nanostructures Take the Color Out of Thin Films May 17th, 2013

UC Riverside scientists discovering new uses for tiny carbon nanotubes: Adding ionic liquid to nanotube films could build smaller gadgets, and create more cost effective 'Smart Windows' that darken in bright sun May 15th, 2013

HELIOS Program Develops Complete Supply Chain for Integrating Photonics with CMOS Circuit via IC Fabrication Processes May 14th, 2013

VDMA: New “Photonics Industry Report 2013” presented May 14th, 2013

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








abbigliamento uomo
Computer Accessories
© Copyright 1999-2013 7th Wave, Inc. All Rights Reserved PRIVACY POLICY :: CONTACT US :: STATS :: SITE MAP :: ADVERTISE