Non-volatile memory improves energy efficiency by two orders of magnitude
Study explains how Maxwell's demon uses mutual information to extract work
Nanoscale heat engine exceeds standard efficiency limit
Small-molecule solar cells get 50% increase in efficiency with optical spacer
Zero-dimensional transistor harvests bubble energy wasted during water electrolysis
Hybrid materials could smash the solar efficiency ceiling
(Phys.org) —A new method for transferring energy from organic to inorganic semiconductors could boost the efficiency of widely used inorganic solar cells.
Researchers use liquid inks to create better solar cells
(Phys.org) —The basic function of solar cells is to harvest sunlight and turn it into electricity. Thus, it is critically important that the film that collects the light on the surface of the cell is designed ...
A promising light source for optoelectronic chips can be tuned to different frequencies
Chips that use light, rather than electricity, to move data would consume much less power—and energy efficiency is a growing concern as chips' transistor counts rise.
LEDs made from 'wonder material' perovskite
(Phys.org) —Colourful LEDs made from a material known as perovskite could lead to LED displays which are both cheaper and easier to manufacture in future.
Self-cooling solar cells boost power, last longer
Scientists may have overcome one of the major hurdles in developing high-efficiency, long-lasting solar cells—keeping them cool, even in the blistering heat of the noonday Sun.
AMD reveals plans for 25x efficiency gains by 2020
Researchers create nanoscale structure for computer chips that could yield higher-performance memory
(Phys.org) —Researchers at UCLA have created a nanoscale magnetic component for computer memory chips that could significantly improve their energy efficiency and scalability.
Researchers achieve higher solar-cell efficiency with zinc-oxide coating
(Phys.org) —Engineering researchers at the University of Arkansas have achieved the highest efficiency ever in a 9 millimeter-squared solar cell made of gallium arsenide. After coating the cufflink-sized ...
High-temperature plasmonics eyed for solar, computer innovation
(Phys.org) —New "plasmonic metamaterials" that operate at high temperatures could radically improve solar cell performance and bring advanced computer data storage technology that uses heat to record information ...