Copper selenide (Cu₂Se) attracts scientific interest for its thermoelectric ability to convert heat into electricity, but a ...

The efficiency result was confirmed by the U.S. National Renewable Energy Laboratory. The module was fabricated with 13.4%-efficient kesterite cells designed with high film porosity and uniformity.

‘The benefits of hot chocolate come from its cocoa content and the quality of the cocoa beans,’ says Bhuwania Lohia. ‘Hot chocolate made with high-quality cocoa powder or dark chocolate with more than ...