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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

Lab talk

Nanotechnology research highlights: find out what the authors have to say

Antibody-assisted self-assembly applied to solar cells

Bio-directed manipulation of nanowires could help to make photocell and display fabrication more environmentally friendly

Nano-engineered carbons promise better gas storage materials for advanced transportation

Tunable pore space will allow developers to selectively optimize carbons for high volumetric or high gravimetric storage capacity to meet different vehicle requirements

Out-of-plane growth of CNTs on graphene for supercapacitor applications

3D structure vastly reduces self-aggregation of graphene flakes

Short nanogenerators may be good enough

Electro-mechanical modelling predicts that relatively short nanowires can be sufficient for high-efficiency nanogenerators

Polymer solar cell gets two-dimensional DNA lattice implant

DNA lattice acts as electron blocking layer and boosts power conversion efficiency by 10.2%

Graphene makes field emission devices flexible and more efficient

Metallic NW-graphene hybrid nanostructures point towards highly efficient and flexible field emission devices

Thin-film solar: low-cost synthesis of CZTS nanocrystals

Method uses inorganic metal salts as precursors, smaller amounts of coordinating solvent, and offers shorter reaction time and simpler post-reaction treatment

Easy-to-produce black silicon could unlock promising applications

High density and high aspect ratio nanowhiskers have many uses across a wide range of fields including solar energy, batteries and chemical sensing

Solar cell developers combine merits of nanotubes and nanoparticles

Coating TiO2 nanotubes with particles inside and out increases overall photon conversion efficiency of DSSCs

Nanowire arrays improve performance of thin-film solar cells

Replacing window layer with embedded or free-standing nanowire array puts cells on a path to 26.8% increase in power-conversion efficiency

Effective light trapping in single coaxial nanowires

Optimized hybrid silicon nanowire system gives dramatic increase in photocurrent

Compound surface textures maximize solar-energy harvesting

Nanowhiskers and micro-grooves overlaid to boost broadband antireflection and light trapping in silicon solar cells

Graphene hybrid advances solubility and fluorescence quenching

Chemical functionalization improves processing and could benefit electrochemical and photochemical devices

Multiple dye layers expand the spectral response of solar cells

KIST researchers use selective positioning method to generate higher photocurrent density

SWCNT films outperform platinum in dye-sensitized solar cells

Gel-coated carbon nanotube films exhibit excellent electrochemical catalysis throughout four-week trial

High field anodization induces ultra-thin TiO2 nanotubes

Array structure will benefit dye-sensitized solar cells

Tuning the size of metal nanoparticles atomic layer by atomic layer

University of Liverpool team uses liquid injection atomic layer deposition to grow silver nanoparticles

Super-aligned CNTs replace metal in supercapacitor upgrade

Sheet-like carbon nanotubes ideal substitute for metal foil current collectors

Tiny whiskers of carbon probed for 3D electronics role

SEM equipped with electrical probe stage and custom-built mechanical deformation instrument used to characterize miniature materials

Laser welding boosts efficiency of TiO2 solar cells

Irradiating inter-electrode interface with UV beam during manufacture improves current flow in dye-sensitized solar cells