All Blog Posts Tagged 'graphene' (144)


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Selective etching of armchair edges in graphite

Nanostructures Laboratory, Research Institute for Technical Physics and Materials Science:

We have uploaded to our homepage



     http://www.nanotechnology.hu



our new paper entitled…



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Added by TINC on April 15, 2013 at 6:14pm — No Comments


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BGT promises first graphene-based touch panels by Q3 2013

Bluestone Global Tech (BGT) was founded in 2011 in New York with an aim to produce high quality graphene. We posted an interview with the company's CEO, and he says they expect graphene-based touch panels by Q3 2013 from one of their customers. He believes that the penetration rate for graphene over ITO will be quite a remarkable replacement rate of 5% in 2014.…



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Added by TINC on April 9, 2013 at 8:23pm — No Comments


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Graphene and Molybdenite based flash memory is efficient, flexible, small and fast

Researchers from EPFL designed a new flash memory cell prototype that is made from graphene and Molybdenite (MoS2). They say that the new design is efficient, flexible, small and fast. The idea is that the unique electronic properties of MoS2 (it has an "idea energy band") are combined with graphene's excellent conductivity:…



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Added by TINC on March 20, 2013 at 7:15pm — No Comments


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New graphene-based earphone-sized speaker

Researchers from the University of California, Berkeley, have developed a new graphene-based earphone-sized speaker - that can actually outperform the best earphones. They say that even with almost no specialized acoustic design, it performs comparably to a high quality commercial headsets (a Sennheiser MX-400 earphone, in fact). The graphene speaker is also highly efficient:…



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Added by TINC on March 14, 2013 at 7:40pm — 1 Comment


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Cabot launhces a graphene-based Li-Ion battery additive

Cabot Corporation launched the LITX G700, the company's first graphene-based additive for high energy density lithium-ion batteries. They say that this additive will allow Li-Ion battery makers to achieve superior cell performance.



Cabot explains that the LITX G700 conductive additive is designed for use in electric vehicle and high-end consumer electronics in which better driving range and longer run times are critical performance features.…



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Added by TINC on February 26, 2013 at 9:40pm — No Comments


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Graphene research program to get €1 billion over ten years from the EU

Back in May 2011, a graphene research program (called GRAPHENE-CA) was shortlisted for one of two €1 billion EU research initiatives. Today we're happy to report that this project was indeed chosen by the European Commission. This is set to be a huge boost to graphene research and will hopefully accelerate commercialization of graphene based products. The EU will officially announce their decision next week (January 28):…



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Added by TINC on January 24, 2013 at 10:13pm — No Comments


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"Nanostructures based on graphene and functionalized carbon nanotubes"

PhD dissertation of Peter Nemes-Incze, entitled "Nanostructures based on graphene and functionalized carbon nanotubes". He developed several basic methods of producing and characterizing carbon nanostructures.

http://www.nanotechnology.hu/

Added by TINC on January 21, 2013 at 10:40pm — No Comments


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Graphene Oxide used to soak radioactive waste

Researchers from Rice University and Lomonosov Moscow State University discovered that Graphene Oxide can quickly remove radioactive material from contaminated water. They found out that graphene oxide bind quickly to natural and human-made radionuclides and condense them into solids.



This discovery is obviously useful in contaminated site cleanups (such as the Fukushima nuclear plants), but is also useful in hydraulic fracturing (“fracking”) for oil and gas recovery and rare…

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Added by TINC on January 10, 2013 at 7:33pm — No Comments


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Forming electronic waveguides from graphene grain, boundaries

we have uploaded to homepage

     http://www.nanotechnology.hu

our new paper entitled

Márk,Géza,I.; Vancsó,Péter; Lambin,Philippe; Hwang,Chanyong; Biró,László,P.:
FORMING ELECTRONIC WAVEGUIDES FROM GRAPHENE GRAIN BOUNDARIES;
Journal of Nanophotonics 6, 061719-1(2012)

Added by TINC on December 16, 2012 at 8:45pm — No Comments


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Graphene international conference announces speaker line-up for 2013

The 3rd edition of Graphene international conference will be held next spring under the umbrella of ImagineNano event (www.imaginenano.com) in Spain between the 23rd and 26th of April 2013.

 

Renowned speakers on the field already confirmed their presence and the program is nearly closed.

 

Keynotes

-          Dimitri Basov (University of California,…

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Added by TINC on November 13, 2012 at 6:39pm — No Comments


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Is graphene nano?

I've been working with graphene for over a year now, and before that I was working with photonic nanostructures. For me the transition from nano to graphene was natural. After the initial excitement and a period of learning that comes with a new job, I've recently started to follow my old nano-community again. Although to me it has seemed that the fields of nano and graphene are intertwined, I have now started to think that maybe they are two different worlds. So I think this is the proper…

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Added by Marko Spasenovic on November 9, 2012 at 4:03pm — 4 Comments


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Highly transparent and flexible resistive memory made from silicon and graphene

Researchers from the Rice University have developed highly transparent (95%), flexible, nonvolatile resistive memory devices based on silicon oxide (SiOx) and graphene. This research began in 2008 when they discovered that silicon oxide itself can be a switch.



The researchers placed the SiOx and crossbar graphene terminals on flexible plastic to make the simple memory devices which can be stacked in 3D and made in multi-state architectures:…



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Added by TINC on October 3, 2012 at 9:57pm — No Comments


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Graphenea collaborates with the University of Harvard in search of applications for graphene

The Graphenea company, a start-up of a group of private investors and CIC nanoGUNE specialised in the production of graphene, a material with unique properties which consists of a layer of carbon the thickness of an atom, collaborates with the Universidad de Harvard in the search for applications for the material.…

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Added by TINC on September 25, 2012 at 1:34pm — No Comments


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CARBON NANOMATERIALS - 10 day until NANOPOSTER 2012

N.A. Vinnikov, A.V. Dolbin, V. B. Esel'son, V.G. Gavrilko, V. G. Manzhelii, S. N. Popov, B. Sundqvist

P12-13 QUANTUM AND DIMENSIONAL EFFECTS IN CARBON…

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Added by TINC on August 31, 2012 at 7:14pm — No Comments


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Sony managed to create a 100-meter long graphene sheet, largest in the world!

Sony has developed a new graphene producing process that use a roll-to-roll method. They have built a machine that can produce graphene sheets up to 100 meters in length (23 cm width), and the resulting sheet is the largest area graphene sheet in the world by far (the previous record was Samsung's 40" sheet from back in 2011):…



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Added by TINC on August 29, 2012 at 8:28pm — No Comments


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Nanométeres hullámok a grafén atomi szerkezetében (in Hungarian)

Az MTA TTK Műszaki Fizikai és Anyagtudományi Intézetében Tapasztó Leventének és munkatársainak először sikerült a grafén szerkezeti hullámzását nanométer alatti (0.7 nm) pontossággal szabályozni. Az eddig elérhető 300 nanométeres hullámhosszhoz képest ez óriási előrelépést jelent.

 …

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Added by TINC on August 21, 2012 at 8:04pm — No Comments


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Aligned insulated graphene sheets hold promise for 3D chips

Researchers from Manchester University have used a new side-view imaging method to individually visualize graphene sheets in a layered insulated stack of sheets. They found out that each graphene layer in such a structure is perfectly aligned, even with 10 layers. This was a surprise as they expected the graphene to be distorted.



This means that stacking graphene sheets does not degrade their properties. This means that you can stack graphene to create 3D chips - which will have a…

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Added by TINC on August 2, 2012 at 7:44pm — No Comments


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A grafén kijavítja saját hibáit (in Hungarian)

Washington, 2012. július 30., hétfő (MTI) - A grafén önjavító mechanizmusát fedezték fel brit kutatók, a "csodás anyag" képes kijavítani rácsszerkezetének hibáit - számoltak be a Manchesteri Egyetem és a SuperSTEM Laboratórium (Daresbury) kutatói a Nano…

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Added by TINC on July 31, 2012 at 7:49pm — No Comments


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Graphene may enable the ultimate water desalination device

MIT scientists have shown (in simulations) that nanoporous graphene can filter salt from water at a rate that is 2-3 orders of magnitude faster than today’s best commercial desalination technology, reverse osmosis (RO). This could lead to more efficient and smaller water desalination facilities.



The graphene is used as a membrane material that allows a flow of water with full salt refection via size exclusion. Other materials have been investigated for the same purpose, but the…

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Added by TINC on June 25, 2012 at 9:54pm — No Comments


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Graphene: nanoscale processing and recent applications

we have uploaded to our homepage

    http://www.nanotechnology.hu

our new paper entitled

Biró,László,Péter;Nemes-Incze,Péter;Lambin,Philippe:

GRAPHENE: NANOSCALE PROCESSING AND RECENT APPLICATIONS;
Nanoscale 4, 1824(2012)

Added by TINC on June 14, 2012 at 7:31pm — No Comments

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