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Search results for harvesting devices

Nanophysics May 4, 2020

'Artificial leaf' concept inspires research into solar-powered fuel production

Rice University researchers have created an efficient, low-cost device that splits water to produce hydrogen fuel.

Nanophysics Apr 22, 2020

A new way to cool down electronic devices, recover waste heat

Using electronic devices for too long can cause them to overheat, which might slow them down, damage their components or even make them explode or catch fire. Now, researchers reporting in ACS' Nano Letters have developed ...

Condensed Matter Apr 17, 2020

New discovery settles long-standing debate about photovoltaic materials

Scientists have theorized that organometallic halide perovskites— a class of light harvesting "wonder" materials for applications in solar cells and quantum electronics— are so promising due to an unseen yet highly controversial ...

Ecology Apr 1, 2020

An affordable and fast clinical test that can save human lives and spares at-risk population

Horseshoe crabs are remarkable animals, beautiful in their weirdness. These "living fossils" evolved 450 million years ago and have lived through at least five mass extinctions fatal to the majority of multicellular lifeforms ...

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 ...

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