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Search results for harvesting devices

Condensed Matter Mar 30, 2020

Resolving spatial and energetic distributions of trap states in metal halide perovskite solar cells

In a new report published on Science, Zhenyi Ni and a research team in applied physical sciences, mechanical and materials engineering and computer and energy engineering in the U.S. profiled spatial and energetic distributions ...

General Âé¶¹ÒùÔºics Mar 30, 2020

Energy-harvesting design aims to turn Wi-Fi signals into usable power

Any device that sends out a Wi-Fi signal also emits terahertz waves —electromagnetic waves with a frequency somewhere between microwaves and infrared light. These high-frequency radiation waves, known as "T-rays," are also ...

Analytical Chemistry Mar 26, 2020

A wearable, freestanding electrochemical sensing system

In a new study published on Science Advances, Yichao Zhao and a research team in integrated bioelectronics and materials and engineering in the U.S. engineered a disposable, free-standing electrochemical sensing system (FESS). ...

Materials Science Mar 24, 2020

Team develops photosynthetic proteins for expanded solar energy conversion

A team of scientists, led by the University of Bristol, has developed a new photosynthetic protein system enabling an enhanced and more sustainable approach to solar-powered technological devices.

General Âé¶¹ÒùÔºics Mar 10, 2020

Electrical power generation from moderate-temperature radiative thermal sources

Moderate-temperature thermal sources often radiate waste heat as a by-product of mechanical work, chemical or nuclear reactions, or information processing. In a new report in Science, Paul S. Davids and a research team at ...

Nanomaterials Mar 9, 2020

Wearable devices powered by body motion using stretchable carbon nanotube thin films

A transparent, stretchable triboelectric nanogenerator (TENG) with area up to 12 cm x 12 cm and power output 8 Watts per square metre, has been realized by Nagoya University researchers using a carbon nanotube thin film (CNT ...

Materials Science Mar 4, 2020

New type of indoor solar cells for smart connected devices

In a future where most things in our everyday life are connected through the internet, devices and sensors will need to run without wires or batteries. In a new article in Chemical Science, researchers from Uppsala University ...

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 ...

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