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nanotechweb.org in the lab

       

4: Quantum-dot light sources for industry

Dr Wang, founder and CEO of Mesolight, demonstrates some of the cutting-edge quantum-dot products they have developed.

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Cleantech

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

Technology update

Breaking research and industry highlights

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Strained WS2 nanosheets boost hydrogen production

2D tungstenite might give platinum catalysts a run for their money

Exposed nanofilm edge states make good HER catalyst

2D molybdenum and tungsten selenide on curved surfaces appear to be active electrocatalysts for the hydrogen evolution reaction

Phototransistor combines graphene and chlorophyll

Approach boosts sensitivity to light

Graphene and nanotube carpets for energy storage

Hybrid super capacitor shows promise for portable electronics and renewable power applications.

Nanotechweb.org: best of 2012

Find out which nanotechnology breakthroughs made it into our review of the year.

QD photodetector speeds up

New quantum-dot device dispenses with conventional thin-film architecture.

MoSe2 single layers for solar cells

2D material could rival graphene in optoelectronics applications.

Nanostructure could help make electron cloak

Device would be invisible to electrons.

Power cell generates and stores energy in one step

Hybrid device could power portable electronics.

Quantum dots for superior solar cells

Power-conversion efficiencies reach an all-time high of 7% for these materials.

Hybrid solar cells move on

UCLA researchers combine nanopillars with light-absorbing polymers.

Layered structures for next-generation solar cells

Simple solution-based processing technique could help make better devices.

Nano-heterojunctions improve solar cells

Structures may allow for high quantum efficiencies even in poor photovoltaic materials.

Light-trapping technique helps solar cells thin down

Devices could be just as efficient while being 10 times less thick.

Novel recombination layers improve multijunction photovoltaics

Low-doped graded oxides reduce optical losses inside solar cells

Graphene solar cells break new efficiency record

Chemical doping boosts power

Graphite foam makes good battery electrode

Ultralight structure has higher energy and power densities than many conventional cathode materials

Heterostructures make better solar cells

Combing different nanocrystals and capping ligands could increase photovoltaic efficiency

Sol-gel makes nanostructured metallics

Materials could be used in fuel cells and batteries, as well as catalysts

Laser writer makes graphene supercapacitors

Devices might be ideal energy-storage systems for next-generation flexible and portable electronics