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IOP A community website from IOP Publishing in the lab


3: Manipulating light with metamaterials

Silvia Peruch and Nicolas Olivier show us their work in Anatoly Zayat's Lab at King's College London looking at metamaterials.

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A look at how nanotechnology benefits solar cells, water treatment, wind turbines and other clean energy applications

Technology update

Breaking research and industry highlights

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Graphene could make 'perfect' solar cells

Metallic nanostructures boost light absorption

Solution processing makes good solar cells

Technique is cost-effective and could help make more sophisticated devices

Graphene makes 'supercapacitor'

First high-frequency AC capacitor containing graphene electrodes

Nanofibres power portable electronics

Tiny generator could be used in medical implants

Dual-diameter nanopillars absorb more light

Nanostructures with a small tip and large base could be useful for photovoltaic and photodetector applications

Nanotubes boost battery performance

Making electrodes more effective

Quantum dots for highly efficient solar cells

Current efficiency limits of 30% could be vastly improved by capturing "hot electrons"

Graphene oxide improves solar cells

Carbon-based material could make ideal hole transporting layer and allow for large-area flexible devices

Photonic crystals could enhance solar cells

Results of new study should help in the design of more sophisticated photovoltaics

Black nanoneedles for anti-reflective coatings

Ge nanostructures could be used in high-performance photodetectors and photovoltaic devices best of 2009

Top five most viewed stories of the year

Cold nanopatterning for ultra-high density data storage

New AFM lithography technique no longer requires hot tip

Polymer battery breaks new records

Highest charge capacity and charging rates for cellulose battery coated with nano-polypyrrole layer

Nanotubes set to shine for solar energy

Multiple carrier generation could boost efficiency

Scaling up graphene production using organic dispersion

Simple, high-yield method to produce nanosheets developed by Rice scientists

Inverse nanosphere lithography orders CNT array

Masking method might benefit mobile phones, solar-cell electrodes, super capacitors and field emitters

Nanotubular morphology upgrades lithium-ion storage

Hollow and semi-hollow electrode materials pave the way for better batteries

3D nanopillars make good photovoltaics

Devices built on low-cost, flexible substrates show promising light-conversion efficiencies

CNT arrays for photonics

Deep-UV photonic crystals and total optical absorbers are some of the applications for multiwalled nanotube arrays

Nanoblade array confronts hydrogen storage bottleneck

Vanadium-decorated magnesium nanoblade array put to the test