Power/Performance Bits: July 16


Bacterial solar Researchers at the University of British Columbia developed a solar cell that uses bacteria to convert light to energy. The cell worked as efficiently in dim light as in bright light, making solar a potential option in areas of the world that frequently have overcast skies. Called biogenic cells, they work by utilizing the natural dye that bacteria use for photosynthesis. Pr... » read more

Power/Performance Bits: April 11


High-efficiency silicon photodetector Electrical engineers at the University of California, Davis, and W&WSens Devices, Inc. built a new type of high-efficiency photodetector that could be monolithically integrated with silicon electronics. The new detector uses tapered holes in a silicon wafer to divert photons sideways, preserving the speed of thin-layer silicon and the efficiency o... » read more