Slow 'hot electrons' could improve solar cell efficiency

Photons with energy higher than the band gap of the semiconductor absorbing them give rise to what are known as hot electrons. The extra energy in respect to the band gap is lost very fast, as it is converted into heat and ...

'Hot' electrons heat up solar energy research

Solar and renewable energy is getting hot, thanks to nanoscientists—those who work with materials smaller than the width of a human hair—at the U.S. Department of Energy's (DOE) Argonne National Laboratory who have discovered ...

Wet plasma makes a nano-sized splash

Oil and water do not mix, but a KAUST team has exploited the distinct interfaces between these substances to make plasma generation in liquids more efficient. This approach holds promise for high-yield synthesis of nanomaterials ...

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