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Hamamatsu Corp. - Earth Innovations LB 2/24

Turning Heat into Power, Flexibly

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Besides making the man, clothing could eventually make the machine -- or, at least, power it. Researchers at the University of Toronto have demonstrated infrared detectors and photovoltaics that have the potential to be woven into cloth. The new materials are conjugated polymers filled with 1- to 10-nm-diameter lead-sulfide nanocrystal quantum dots. Conjugated and conductive polymers photosensitive to wavelengths shorter than 800 nm have been produced before, but they can’t be used for such applications as telecommunications, thermal imaging or thermal photovoltaics, which require a...Read full article

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    Published: February 2005
    Glossary
    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,...
    CommunicationsenergyLighter Sidephotosensitivequantum dotsSensors & Detectorssolar cellsUniversity of Toronto

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