Sound-powered sensors stand to save millions of batteries

Sensors that monitor infrastructure, such as bridges or buildings, or are used in medical devices, such as prostheses for the deaf, require a constant supply of power. The energy for this usually comes from batteries, which ...

Energy & Green Tech

Stabilizing perovskite solar cells without lead

Solar cells made from perovskite, a material that is able to harvest sunlight and convert it to electricity, hold great potential as a replacement for silicon solar cells.

Energy & Green Tech

Efficient, 'green' quantum-dot solar cells exploit defects

Novel quantum dot solar cells developed at Los Alamos National Laboratory match the efficiency of existing quantum-dot based devices, but without lead or other toxic elements that most solar cells of this type rely on.