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Cleantech

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

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

Controlled production of all-carbon nanohybrids

Combined carbon nanotube and carbon nanosphere structures could be useful for electrochemical devices

Mass-produced nanopatterns upgrade photodiodes

Nanocone structure formed by spin-coated nanosphere lithography improves performance of photodiodes and solar cells

Bandgap engineering produces visible light response in WO3

Material is a promising candidate for enhanced solar cells, electrochromic materials and specific photocatalytic applications

Multi-segment electrodeposited nanowires sense light

Romanian and German scientists develop functional nanowire-based photodiodes

Silatrane anchors sensitizer dye to nanoporous anode

Hydrolysis-resistant surface attachment upgrades photoelectrochemical cell

Tunable surface plasmon resonance inside metals

New resonant class of mirrors for energy-efficient windows and solar energy systems

Short metallic nanotubes made simple

Fabricating metal nanotubes for magnetic data storage and drug-delivery applications now even easier

Nanogap enhances scattering intensity of optical antennas

Stronger far-field behaviour could benefit solar cells and optical sensing devices