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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

Nanogap enhances scattering intensity of optical antennas

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

Nanoenergetic materials team focuses on gas pressure evolution

Engineers adopt a modified solution combustion synthesis approach to fabricate highly crystalline bismuth trioxide nanoparticles

Magnetic cores allow polymeric nanotubes to be manipulated

Multifunctional coaxial nickel-PPV nanowires are easy to move around thanks to nickel filling

Schottky junction design exhibits photovoltaic behaviour

PV configuration proposed as power source for nano-optoelectronics

Non-tapered InN nanowires exhibit record narrow linewidths

Homogeneous structure allows band gap to be derived directly from PL spectroscopy in the range 5-300 K

Molecular dynamics predicts new boron nitride nanostructures

Radially flexible nanoscrolls shown to be stable at room temperature

Nanocomposite enhances cycling performance of lithium-ion batteries

Core-shell heterostructured Fe/Fe3O4 nanocomposite offers efficient electron transport path to current collector

US-China team tunes composition of group IV nanocrystals

Freestanding Si1–xGex nanocrystals synthesized using nonthermal plasmas

Increase in palladium-carbon contacts destabilizes hydrogen

Embedding nanoparticles in nanoporous carbon enhances hydrogen absorption at near-ambient temperatures

Inner workings of MgH2-SWCNT nanocomposites revealed

Cryostage TEM allows team to study electron beam sensitive materials and relate microstructure to hydrogen sorption kinetics

Melt infiltration aids hydrogen delivery

Nanoscale mixing key to low-temperature hydrogen release

Viscosity adjustments benefit catalyst production

Size-controlled synthesis of palladium nanoparticles for fuel cells

Porous nanofibres power up rechargeable batteries

Electrospun carbon fibre electrode material enhances the performance of lithium-ion cells

From 3D superstructures to porous nanoneedles

Production method can be scaled up to prepare material at the kilogram level for use in chemical sensors and solar cells

Water and ethanol modify polymer-based solar cells

Efficiencies of 5.77% and 5.81% achieved in DSSCs based on 12.4 wt% ethanol- and water-modified electrolyte

Nanocomposite targets hydrogen generation

MWNTs combine with TiO2 to improve photocatalytic activity

Collagen fibrils receive smart material status

Nanoscale characterization of collagen fibrils, bone and tendon

Polymer composite nanorod arrays for solar cells

Nanorod array structure points towards a new generation of heterojunction polymer solar cells with enhanced and independent charge transport pathways

Photoinduced applications of titania nanotubes

Self-assembled anodized titania nanotubes for light-induced environmental cleaning, health protection and solar energy conversion

Two-dimensional simulations of excitonic solar-cell characteristics

An organic solar cell model with a 2D geometry that allows explicit consideration of the morphology