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Optics & Photonics Mar 15, 2024

Direct laser writing on halide perovskites: From mechanisms to applications

Metal halide perovskites have become well-deserved "star" materials among a variety of semiconductors owing to their excellent optoelectronic properties, such as high photoluminescence (PL) quantum yield (QY), high absorption ...

Condensed Matter Mar 15, 2024

Brighter, cheaper blue light could revolutionize screen technology

Researchers have found a new way to simplify the structure of high-efficiency blue organic light-emitting diodes (OLEDs), which could lead to longer-lasting and higher definition television screens.

Nanophysics Mar 15, 2024

Printed polymer allows researchers to explore chirality and spin interactions at room temperature

A printable organic polymer that assembles into chiral structures when printed has enabled researchers to reliably measure the amount of charge produced in spin-to-charge conversion within a spintronic material at room temperature. ...

Nanophysics Mar 15, 2024

Driving photochemistry with sub-molecular precision

Absorption of light initiates many natural and artificial chemical processes, for example, photosynthesis in plants, human vision, or even 3D printing. Until now, it seemed impossible to control a light-driven chemical reaction ...

Nanomaterials Mar 14, 2024

Researchers overcome lattice mismatch issue to advance optoelectronic applications

A research team from City University of Hong Kong (CityU) recently successfully achieved lattice-mismatch-free construction of III-V/chalcogenide core-shell heterostructure nanowires for electronic and optoelectronic applications. ...

Optics & Photonics Mar 14, 2024

Quantum dance to the beat of a drum: Researchers observe how energy of single electron is tuned by surrounding atoms

Physicists at the University of Regensburg have choreographed the shift of a quantized electronic energy level with atomic oscillations faster than a trillionth of a second.

Optics & Photonics Mar 12, 2024

Team achieves successful mass production of metalenses designed for application in the ultraviolet region

Ultraviolet rays find diverse applications in medical and health care, serving purposes such as disinfection, sterilization, and therapy. They are also used in the semiconductor industry for creating microcircuits and patterns.

Nanomaterials Mar 11, 2024

Researchers devise new ways to engineer carbon-based semiconductors for electronics of the future

It might look like a roll of chicken wire, but this tiny cylinder of carbon atoms—too small to see with the naked eye—could one day be used for making electronic devices ranging from night vision goggles and motion detectors ...

Analytical Chemistry Mar 11, 2024

A new sensor detects harmful 'forever chemicals' in drinking water

MIT chemists have designed a sensor that detects tiny quantities of perfluoroalkyl and polyfluoroalkyl substances (PFAS)—chemicals found in food packaging, nonstick cookware, and many other consumer products.

Bio & Medicine Mar 11, 2024

Flexible AI optoelectronic sensors pave the way for standalone energy-efficient health monitoring devices

From creating images, generating text, and enabling self-driving cars, the potential uses of artificial intelligence (AI) are vast and transformative. However, all this capability comes at a very high energy cost. For instance, ...

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