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IOP A community website from IOP Publishing

Feynman Lectures 50th anniversary celebration seminar series


Enhancing signals from the nanoworld

Speaker: Mildred Dresselhaus from MIT

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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

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.

A dip in seawater energizes graphene

First observations of an induced "waving potential" when graphene is dipped into an ionic solution suggests possible applications in self-powered sensors and monitors, as well as in remote ocean devices.

Array of hope for silicon solar cells

The enhanced light absorption in single silicon nanowires does prevail when scaled up into nanowire arrays

Lab talk

Trapping light with nanowire-decorated micro-pyramids

Hybrid anti-reflective surfaces show great potential in solar-cell applications.

Highly ordered titanium dioxide nanotubes for dye-sensitized solar cells

Understanding surface roughness for more efficient devices.

Carbon nanotubes make molybdenum disulfide more active

Incorporating carbon nanotubes into two-dimensional MoS2 for high-performance hydrogen evolution.

Taking the strain for more efficient solar cells

Balancing strain in semiconductors improves photovoltaic properties.