Âé¶¹ÒùÔº

Search results for harvesting devices

Nanophysics Feb 26, 2020

Building ultrasensitive and ultrathin phototransistors and photonic synapses using hybrid superstructures

Organic-inorganic halide perovskite quantum dots (PQDs) form an attractive class of materials for optoelectronic applications. Their charge transport properties are, however, inferior compared to materials such as graphene. ...

Materials Science Feb 19, 2020

'Flapping wings' powered by the Sun

In ancient Greek mythology, Icarus' wax wings melted when he dared to fly too close to the sun. Now, researchers reporting in ACS Applied Materials & Interfaces have made artificial wings that are actually powered by the ...

Nanophysics Feb 17, 2020

New green technology generates electricity 'out of thin air'

Scientists at the University of Massachusetts Amherst have developed a device that uses a natural protein to create electricity from moisture in the air, a new technology they say could have significant implications for the ...

Nanophysics Feb 17, 2020

Perovskites reveal huge resettable single-photon response

Despite the progress in perovskite device efficiencies, these systems are not fully understood, in particular the frequency- and power-dependence of their response to light. Yu-Hwa Lo and colleagues at the University of California ...

Nanophysics Feb 13, 2020

Movement of a liquid droplet generates over 5 volts of electricity

Energy harvesting, a technology to transform small quantities of naturally occurring energy (e.g. light, heat and vibration) into electricity, is gaining attention as a method to power internet of things (IoT) devices. This ...

Optics & Photonics Feb 4, 2020

Lasers etch a 'perfect' solar energy absorber

The University of Rochester research lab that recently used lasers to create unsinkable metallic structures has now demonstrated how the same technology could be used to create highly efficient solar power generators.

Materials Science Jan 23, 2020

Body heat through flexible fabric could power IoT devices for health monitoring for people, pets, machinery

Wearable electronics and other Internet of Things (IoT) devices are rapidly growing in popularity, but their need for consistent power can place a high burden on users. One recently proposed solution is to generate electricity ...

Space Exploration Jan 15, 2020

Plant-powered sensor sends signal to space

A device that uses electricity generated by plants as its power source has communicated via satellite—a world first.

Materials Science Jan 13, 2020

'Green methane' from artificial photosynthesis could recycle CO2

A new artificial photosynthesis approach uses sunlight to turn carbon dioxide into methane, which could help make natural-gas-powered devices carbon neutral.

Nanomaterials Jan 6, 2020

Making computers and smartphones more energy efficient with novel tiny structures

With enhanced properties such as greater strength, lighter weight, increased electrical conductivity and chemical reactivity, nanomaterials (NMs) are widely used in areas like ICT, energy and medicine. For example, nanotubes, ...

page 28 from 40