Search results for materials science

Nanophysics Jul 11, 2024

New synthesis method enhances MoS₂ optoelectronic performance

An international research team led by Professor My Ali El Khakani of the Institut national de la recherche scientifique (INRS) has made a surprising discovery about the properties of molybdenum disulfide, also known as MoS2. ...

Analytical Chemistry Jun 24, 2024

First chemist in history may have been a female perfumer—how the science of scents has changed since

Perfume making dates back at least 3,000 years—to the time of Tapputi-belat-ekalle, who is considered the first chemist in history. What we know about her comes from inscriptions on fragments of clay tablets dating back ...

Nanophysics Jun 6, 2024

Unlocking the transformative potential of 2D materials to advance next-generation electronics

Van der Waals (vdW) dielectrics are widely used in nanoelectronics to preserve the intrinsic properties of two-dimensional (2D) semiconductors. However, achieving aligned growth of 2D semiconductors and their direct utilization ...

Nanomaterials May 29, 2024

Engineers link oxygen to graphene quality and develop new techniques to reproducibly make the material at scale

Graphene has been called "the wonder material of the 21st century." Since its discovery in 2004, the material—a single layer of carbon atoms—has been touted for its host of unique properties, which include ultra-high ...

Nanophysics Jul 18, 2024

Nanoscale trilayer exhibits ultrafast charge transfer in semiconductor materials

Successfully innovating optoelectronic semiconductor devices depends a lot on moving charges and excitons—electron-hole pairs—in specified directions for the purpose of creating fuels or electricity.

Condensed Matter Jul 10, 2024

Researchers demonstrate anomalous Brewster effect in metamaterials

The Brewster reflectionless effect stands out as one of the simplest yet pivotal discoveries in manipulating waves. Initial investigations were limited to isotropic materials, but later, thanks to the advent of metamaterials, ...

Nanomaterials Jul 8, 2024

Achieving high performance and stability simultaneously: Developing hybrid bio-nanostructures

A research team developed hybrid bio-nanostructures then used them to fabricate fibrous solar cells (FSCs) and fibrous organic light-emitting diodes (FOLEDs) that demonstrated high performance and stability across a wide ...

Soft Matter Jul 3, 2024

New theory reveals fracture mechanism in soft materials

A new theory has finally deciphered the physical mechanisms of fracture in soft materials. This discovery could soon lead to new, defect-free materials that are more resistant and durable as well as environmentally friendly. ...

Nanomaterials Jun 27, 2024

New strategy to obtain carbon nanotube fibers with higher dynamic strength

In a study published in Science on June 21, Prof. Jian Muqiang from Peking University and the Beijing Graphene Institute and others developed a strategy to fabricate carbon nanotube fibers with the dynamic strength up to ...

Condensed Matter Jun 24, 2024

New techniques reveal properties of solid-state chiral materials

Chiral molecules—that is, those that have mirror images of themselves—have significant benefits for transistors and solar energy devices. Studying their properties in close detail, though, has been tricky due to the limited ...

page 30 from 40