What is it about?
In a typical solar cell, a large portion of the suns energy is unavoidably lost as heat and can't be converted to electricity. We review the potential of using semiconducting, elongated nanostructures, known as nanowires, to realize devices that extract so called hot-carriers and covert their energy to electricity instead of heat.
Photo by Jonathan Borba on Unsplash
Why is it important?
Control over hot-carriers can not only boost the efficiency of solar cells to new limits but are also of interest for several applications such as IR-photodetectors, transistor technology, photochemical reactions, novel cancer treatments and more. Here we highlight the properties that make nanowires beneficial for hot-carrier optoelectronic devices, suggest how devices can be realized, and provide guidance to direct future efforts on the topic.
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This page is a summary of: Hot-carrier optoelectronic devices based on semiconductor nanowires, Applied Physics Reviews, June 2021, American Institute of Physics, DOI: 10.1063/5.0038263.
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