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QDs Help Make Solar Fuel a Reality

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MANCHESTER, England, July 5, 2011 — A solar-nano device is being created with the hope that it can harness the energy of the sun and convert it into a clean fuel alternative. Using quantum dots grafted with catalyst molecules, scientists are harvesting the sun’s energy to drive the formation of synthetic fuels in a process known as artificial photosynthesis. Members of the consortium at the University of East Anglia (UEA) have already found a way to produce hydrogen from water. A revolutionary future use of this technology could be to make the fuel for hydrogen-powered cars, rather than making it from fossil...Read full article

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    Published: July 2011
    Glossary
    nano
    An SI prefix meaning one billionth (10-9). Nano can also be used to indicate the study of atoms, molecules and other structures and particles on the nanometer scale. Nano-optics (also referred to as nanophotonics), for example, is the study of how light and light-matter interactions behave on the nanometer scale. See nanophotonics.
    nanotechnology
    The use of atoms, molecules and molecular-scale structures to enhance existing technology and develop new materials and devices. The goal of this technology is to manipulate atomic and molecular particles to create devices that are thousands of times smaller and faster than those of the current microtechnologies.
    quantum dots
    A quantum dot is a nanoscale semiconductor structure, typically composed of materials like cadmium selenide or indium arsenide, that exhibits unique quantum mechanical properties. These properties arise from the confinement of electrons within the dot, leading to discrete energy levels, or "quantization" of energy, similar to the behavior of individual atoms or molecules. Quantum dots have a size on the order of a few nanometers and can emit or absorb photons (light) with precise wavelengths,...
    artificial photosynthesischemicalsChris Pickettclean fuelenergyEnglandEuropefossil fuelgreen fuelsgreen photonicshydrogen-powered carsLight Sourcesnanonanotechnologyphotovoltaicsquantum dotsResearch & TechnologySolar Energysolar fuelsolar-nano devicesolar-poweredSunUniversity of East AngliaUniversity of ManchesterUniversity of NottinghamUniversity of YorkWendy Flavell

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