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Graphene transistor goes vertical

New device can be switched on and off

Prism substrate improves organic transistors

New micro-imprinting technique could make for faster devices

Carbon membranes excel at separating molecules

Ultrathin films of graphene oxide and diamond-like carbon have highly selective permeability

Graphene could be a perfect absorber of light

Periodic patterning and doping is the key

Nanotubes monitor enzyme activity

New technique allows researchers to better understand biomolecule behaviour

Plasmonic metamaterials could make 'gecko toes'

Simulation reveals surprising attraction

Isotopic purity boosts graphene's heat conduction

Pure carbon-12 is a better conductor

Strain improves organic semiconductors

Charge mobilities are significantly enhanced

Nanotube bundles could make good solar cells

Material can generate electron-hole pairs and separate the charge carriers too

Introducing the 'nano-ear'

Trapped nanoparticle could listen to micro-organisms

Nanoparticles repair damaged surfaces

New microencapsulation technique helps fills in cracks and imperfections

Graphene amplifies voltage

"Wonder material" could compete with silicon for analogue devices

Nanotechweb.org: best of 2011

Top five most viewed stories of the year

Nanowire makes single-cell endoscope

New device can non-invasively image live cells and deliver drugs

Grain boundaries concentrate metal impurities

Controlling defect growth could help make better nanodevices

Single proton makes molecular switch

Device works by transferring individual hydrogen atoms

Understanding porous oxide films

Researchers shed new light on technologically important material

Corrosion carves out complex 3D nanostructures

New technique can produce nanocages, boxes and other hollow structures

Ink-jet prints graphene electronics

Cambridge University researchers invent new ink

Making CNTs biocompatible

Carbon nanotube networks can be formed on biopolymer-coated substrates