Energy & Green Tech

Molecular fine-tuning boosts tandem solar cell efficiency to 31.4%

Perovskite-silicon tandem solar cells are considered a key technology for photovoltaics. Because of their design, they use sunlight more efficiently than conventional silicon cells. While the upper perovskite layer absorbs ...

Energy & Green Tech

Blue jean dye could make batteries greener

Sustainability is often described in shades of green, but the future of clean energy may also carry a hint of deep blue. Electric vehicles and energy storage systems could soon draw power from a familiar pigment found in ...

Electronics & Semiconductors

Acoustic waves act like tiny hands to move objects thanks to a new chip

Acoustic waves are best known as the invisible delivery agents bringing voices, car horns, or our favorite song to our ears. But the waves can also move physical objects, like an item vibrating atop a concert speaker—offering ...