(Phys.org) —Quantum dots—tiny semiconductor crystals with diameters measured in billionths of a meter—have enormous potential for applications that make use of their ability to absorb or emit light and/or electric charges. ...
Nanophysics
Dec 18, 2013
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0
In a new study, a research group at Uppsala University explain their outstanding success in harvesting "hot electron holes." The results of their work can be used to improve solar cells, photochemical reactions, and photosensors. ...
Nanomaterials
Jul 28, 2020
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339
Smart materials are materials that have the ability to change their properties in response to specific external stimuli, such as temperature, humidity, light, or applied stress. One of the most well-known examples of smart ...
Polymers
Jan 27, 2023
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19
(Phys.org)—New results on the interaction of femto- and attosecond light pulses with a solid insulator hold promise for reaching electronic switching rates up to the petahertz domain.
General Physics
Dec 5, 2012
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1
DNA sequencing has become so common, few realize how hard it is to even extract a single molecule of DNA from a biological sample.
Bio & Medicine
Apr 6, 2021
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84
(Phys.org)—It was an impressive week for researchers combining physics and engineering as one team of engineers took a big step toward using light instead of wires inside computers—they've created a prism-like device ...
Like corn kernels popping in a frying pan, tiny grains of dust may hop around on the surface of asteroids, according to a new study from physicists at CU Boulder.
Astronomy
Jul 11, 2022
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545
Inexpensive solar cells, vastly improved medical imaging techniques and lighter and more flexible television screens are among the potential applications envisioned for organic electronics.
Jan 15, 2009
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0
Siemens has launched a new electric-vehicle charging station on the market that can fully recharge a battery within one hour. By doubling the output to 22 kilowatts, the charging station cuts charging times in half. The station ...
Energy & Green Tech
Apr 5, 2011
1
0
Lighting a gas grill, getting an ultrasound, using an ultrasonic toothbrush—these actions involve the use of materials that can translate an electric voltage into a change in shape and vice versa.
Condensed Matter
May 23, 2024
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106
