Suitable semiconductors The researchers noted several direct inorganic wide-band-gap semiconductors that could be explored for applications in underwater solar cells.

Solar cells based on wide-band-gap semiconductors work better under water than the narrow-band-gap ones used in conventional silicon photovoltaic devices. This finding by researchers at New York ...

Find out how solar cells power a good portion of homes today—and how they might power almost everything in the future.

Real progress will have to wait for a suitably affordable super-material is found that can provide a useful band gap while also beating silicon's mechanical and electronic properties by a fair margin.

These days, the best silicon solar cells are creeping towards 27 per cent efficiency. That seems pretty low, but don't diss the efforts of chemists and physicists — these tiny gains are a big deal.

The band gap is crucial because it establishes the part of the solar spectrum a photovoltaic cell absorbs. Wavelengths with energies higher than the band gap of silicon are present on most of the ...

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Silicon is the material of choice for visible light photodetection and solar cell fabrication. However, due to the intrinsic band gap properties of silicon, most infrared photons are energetically ...

To generate an electron, the material (generally silicon) of the solar panel has to absorb a photon with an energy above a certain amount, known as the band gap.

“The photons above the band-gap of the cell are efficiently absorbed in the micron-thick semiconductor while those below the band-gap are reflected back to the silicon emitter and recycled ...