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nanotechweb.org spring round-up


     

We look at the top stories on nanotechweb.org over the first three months of 2015.

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Buyer’s Guide

Cleantech

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

Technology update

Nanomagnetic effects find a cool application

(with audio) The observation of the magnetocaloric effect in readily fabricated thin films suggests nanostructures may be exploited in refrigeration.

Top-grade perovskite boosts solar cells

(with audio) A hot-casting solution-processing technique produces perovskite crystals with millimetre size grain cells.

Protons penetrate graphene

Although theory suggests graphene is impermeable to protons, recent experiments show proton conductance of a single layer may be high.

Plasmons excite hot carriers

New theory could help enhance solar-energy conversion in photovoltaic devices and make better photocatalysts.

Lab talk

Integrating nanoarchitectures for highly efficient electrocatalysts

Interconnecting small alloy nanoparticles provides long-term durability.

Tailoring nanowire diameter and density for improved light absorption

Accurately designing high efficiency photovoltaic devices without complicated fabrication steps.

An anisotropic self-powered directional sensor

Fabricating flexible nanogenerators with zinc oxide nanowires.

Highly active sea urchin-like catalysts

Constructing magnetic double-shelled Au catalysts with high stability and reusability.