TINC's Blog – October 2013 Archive (130)

Scientists untangle nanotubes to release their potential in the electronics industry

Researchers have demonstrated how to produce electronic inks for the development of new applications using the ‘wonder material’, carbon nanotubes. Carbon nanotubes are lightweight, strong and conduct electricity, which make them ideal components in new electronics devices, such as tablet computers and touchscreen phones, but cannot be used without being separated out from their natural tangled state. In the video above, Dr Stephen Hodge and Professor Milo Shaffer, both from Imperial’s…

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Added by TINC on October 24, 2013 at 10:05pm — No Comments

New device stores electricity on silicon chips

Solar cells that produce electricity 24/7, not just when the sun is shining. Mobile phones with built-in power cells that recharge in seconds and work for weeks between charges. Silicon chip with porous surface next to the special furnace where it was coated with graphene to create a supercapacitor electrode. Credit: Joe Howell / Vanderbilt) These are just two of the possibilities raised by a novel supercapacitor design invented by material scientists at Vanderbilt University that is…

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Added by TINC on October 24, 2013 at 10:03pm — No Comments

Researchers advance scheme to design seamless integrated circuits etched on graphene

Researchers in electrical and computer engineering at University of California, Santa Barbara have introduced and modeled an integrated circuit design scheme in which transistors and interconnects are monolithically patterned seamlessly on a sheet of graphene, a 2-dimensional plane of carbon atoms. The demonstration offers possibilities for ultra energy-efficient, flexible, and transparent electronics. The top schematic is a monolayer graphene sheet. The center schematic displays etched…

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Added by TINC on October 24, 2013 at 10:02pm — No Comments

Nanopore opens new cellular doorway for drug transport

A living cell is built with barriers to keep things out – and researchers are constantly trying to find ways to smuggle molecules in.‬ ‪Professor Giovanni Maglia (Biochemistry, Molecular and Structural Biology, KU Leuven) and his team have engineered a biological nanopore that acts as a selective revolving door through a cell’s lipid membrane. The nanopore could potentially be used in gene therapy and targeted drug delivery.‬‬‬‬‬‬‬ All living cells are enclosed by a lipid membrane that…

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Added by TINC on October 24, 2013 at 10:02pm — No Comments

Nano International Conference Series (TNT Japan 2014) reaches Asia

The first edition of TNT Japan (Trends in Nanotechnology International Conference) will be held from the 29th to the 31st of January 2014 at Tokyo Big Sight, Tokyo (Japan), and is being launched following the overwhelming success of earlier TNT Conferences across Europe. TNT Japan will be held in parallel with nano tech 2014, the largest International exhibition on Nanotechnology. This synergy…

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Added by TINC on October 24, 2013 at 10:00pm — No Comments

Journal of Nano Research - Sol-Gel Preparation, Deposition and Characterization of Nanostructured Aluminium Doped Zinc Oxide

Sol-Gel Preparation, Deposition and Characterization of Nanostructured Aluminium Doped Zinc Oxide

 

Authors: T. Ganesh, S. Rajesh, Francis P. Xavier

 

Abstract: Pure and Aluminium-doped ZnO (Zn1-xAlxO) x = 0 to 5 wt% thin films were deposited onto glass substrate by…

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Added by TINC on October 24, 2013 at 10:00pm — No Comments

Nano-cone textures generate extremely ‘robust’ water-repellent surfaces

Surfaces with differently shaped nanoscale textures may yield improved materials for applications in transportation, energy, and diagnostics Brookhaven Lab physicist Antonio Checco When it comes to designing extremely water-repellent surfaces, shape and size matter. That’s the finding of a group of scientists at the U.S. Department of Energy’s Brookhaven National Laboratory, who investigated the effects of differently shaped, nanoscale textures on a material’s ability to force water droplets…

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Added by TINC on October 23, 2013 at 8:13pm — No Comments

Nanodiamond production in ambient conditions opens door for flexible electronics, implants and more

Instead of having to use tons of crushing force and volcanic heat to forge diamonds, researchers at Case Western Reserve University have developed a way to cheaply make nanodiamonds on a lab bench at atmospheric pressure and near room temperature. (Clockwise) Microplasma dissociates ethanol vapor, carbon particles are collected and dispersed in solution, and electron microscope image reveals nanosized diamond particles. Credit: Case Western Reserve University   The nanodiamonds are formed…

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Added by TINC on October 23, 2013 at 8:12pm — No Comments

Postdoc or Phd: Nanoscale Photonic Imaging - University Goettingen

The CRC 755 “Nanoscale Photonic Imaging” at the

Georg-August-Universität Göttingen



seeks qualified applicants for the position of a



Postdoctoral Research Assistant

(salary group EG 13, TV-L, fulltime 39.8 hours/week)

or

PhD-Student

(salary group EG 13, TV-L, 26.7 hours/week)



to begin on or after December 1, 2013 for a duration of 3 years.



The Institute for Mathematical…

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Added by TINC on October 23, 2013 at 8:07pm — No Comments

The NSF awards $1.5 million towards a new roll-to-roll graphene nanopetals production process research

Researchers at Purdue University are developing a new graphene "nanopetals" mass production process based on a roll-to-roll process. Those nanopetals are graphene-based vertical nanostructures that look like tiny rose petals, and they have applications in sensors, heat-management, supercapacitors and batteries. This research is funded with a $1.5 million grant from the NSF, and aims to increase the production speed of nanopetal-coated surfaces to 10 square meters per hour (a dramatic…

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Added by TINC on October 23, 2013 at 8:04pm — No Comments

‘Mix and match’: Mixing nanoparticles to make multifunctional materials

Standardized technique opens remarkable opportunities for ‘mix and match’ materials fabrication DNA linkers allow different kinds of nanoparticles to self-assemble and form relatively large-scale nanocomposite arrays. This approach allows for mixing and matching components for the design of multifunctional materials. Scientists at the U.S. Department of Energy’s Brookhaven National Laboratory have developed a general approach for combining different types of nanoparticles to produce…

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Added by TINC on October 23, 2013 at 8:01pm — No Comments

Surface plasmons reveal grain boundaries in graphene

Researchers in the US, Germany, Singapore and Spain have developed a new technique to image grain boundary defects in graphene by analysing how surface plasmons are reflected and scattered by the defects. The study reveals that the boundaries, which act as electronic barriers around 10–20 nm in size, are responsible for the low electron mobility observed in graphene grown by chemical vapour deposition. These barriers might be used as tuneable “plasmon reflectors” and “phase retarders” in…

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Added by TINC on October 22, 2013 at 9:23pm — No Comments

2D graphene analogue makes novel energy-storage electrode

Researchers at the University of Texas at Austin in the US and the University of Science and Technology of China have developed a new graphene analogue called vanadyl phosphate, VOPO4. The 2D nanosheet can be combined with graphene itself to make a novel electrochemical electrode for use in high-performance, flexible and ultrathin-film solid-state pseudocapacitors. The flexible ultrathin-film pseudocapacitor Indeed, a prototype capacitor made from the hybrid electrode has a capacitance of as…

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Added by TINC on October 22, 2013 at 9:22pm — No Comments

3D nanostructured composite makes good battery anode

A new ternary electrode made from nanostructured silicon nanoparticles, conducting polymer hydrogel and carbon nanotubes developed by researchers at the University of Texas at Austin in the US might be ideal as an ultrahigh performance lithium-ion battery anode material. The electrode, which can be made using scalable solution-phase synthesis and industrially compatible slurry coating techniques, has outstanding performance – with a reversible discharge capacity of more than 1600 mAh/g over…

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Added by TINC on October 22, 2013 at 9:20pm — No Comments

MRI goes nanoscale

Researchers at the University of Illinois at Urbana-Champaign have succeeded in generating intense magnetic fields on the nanoscale by focusing electric current through a nanosized metal constriction. The feat has allowed them to perform magnetic resonance imaging (MRI) and spectroscopy at spatial resolutions of just 10 nm using well established nuclear magnetic resonance (NMR) techniques such as “Fourier-transform”. Such nanoscale MRI could come in extremely useful for imaging biological…

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Added by TINC on October 22, 2013 at 9:17pm — No Comments

Adding holes to graphene

Graphene (a sheet of carbon just one atom thick) can be successfully p-doped with boron, according to new experiments by researchers at Columbia University in the US. The result means that the carbon material can be both electron- and hole-doped, something that is important for advancing real-world graphene-based electronics. B dopants in graphene Chemical doping can be used to add or remove electrons from a material. Two years ago, a team led by Abhay Pasupathy showed that graphene could be…

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Added by TINC on October 22, 2013 at 9:16pm — No Comments

Ultrathin solar cell is efficient and easy to make

Researchers at Oxford University in the UK have made a thin-film solar cell with better than 15% light-conversion efficiency from an emergent class of semiconductors known as perovskites. The devices have a simple architecture and could easily be produced in large quantities because the vapour deposition process used to make them is compatible with conventional processing methods for fabricating such solar cells. Perovskite fabricated on a glass sheet Organometal trihalide perovskite…

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Added by TINC on October 22, 2013 at 9:14pm — No Comments

Roll-to-roll production could ramp up market opportunities for graphene

Graphene Frontiers, a spinout from the University of Pennsylvania, US, has been awarded $745k from the National Science Foundation (NSF) to demonstrate and develop roll-to-roll production of continuous graphene film. The company, founded in 2011, is using atmospheric-pressure chemical vapour deposition to produce graphene on continuous tapes of copper foil passed through a growth region. This eliminates the need for an expensive vacuum furnace and enables fabrication of graphene films larger…

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Added by TINC on October 22, 2013 at 9:13pm — No Comments

Nanoarray patch takes your temperature to millikelvin precision

Researchers at the University of Illinois at Urbana Champaign in the US have made the first wearable and flexible thermometer from arrays of nanosized sensors. The patch-like device, which can measure temperature variations on human skin to a precision of millikelvins, might be used in both hospital settings or at home, says the team. Thermometer patch The researchers, led by John Rogers, made two types of device: the first consists of arrays of sensors that monitor temperature thanks to the…

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Added by TINC on October 22, 2013 at 9:12pm — No Comments

Nagy sikerű magyar előadás Ázsia legjelentősebb nanotudományi konferenciáján (in Hungarian)

Kroó Norbert, az MTA rendes tagja, a Magyar Tudományos Akadémia volt alelnöke tartotta Ázsia legjelentősebb nanotudományi konferenciájának, az idén harmadik alkalommal Kínában megrendezett BIT's Annual World Congress on Nano Science&Technology (Nano-S&T) nyitóelőadását, amelyben egy új tudományág, a plazmonika rohamos térhódításáról…

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Added by TINC on October 22, 2013 at 9:07pm — No Comments

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