Recent technological advances have opened new possibilities for the efficient and sustainable synthesis of various valuable chemicals. Some of these advances rely on nanotechnologies, systems or techniques designed to design and study materials or devices at the...
nanomaterials
Single-layer waveguide display uses achromatic metagratings for more compact augmented reality eyewear
Augmented reality (AR), the technology that overlays digital content onto what users see around them in real-time, is now widely used in the retail, gaming and entertainment industries, as well as in some educational settings and learning environments. A key component...
Crystal-modifying agent piracetam provides scalable strategy for high-efficiency all-perovskite tandem solar cells
All-perovskite tandem solar cells (TSCs) are a class of solar cells comprised of two or more sub-cells that absorb light with different wavelengths, all of which are made of perovskites (i.e., materials with a characteristic crystal structure known to efficiently...
Carbon nanotube-based strain sensor can detects deformations in multiple directions
Over the past decades, electronics engineers developed increasingly small, flexible and sophisticated sensors that can pick up a wide range of signals, ranging from human motions to heartrate and other biological signals. These sensors have in turn enabled the...
Pt nano-catalyst with graphene pockets enhances fuel cell durability and efficiency
The manufacturing and deployment of hybrid and electric vehicles is on the rise, contributing to ongoing efforts to decarbonize the transport industry. While cars and smaller vehicles can be powered using lithium batteries, electrifying heavy-duty vehicles, such as...
Domain wall fluctuations in 2D materials reveal a new mechanism of superconductivity
Two-dimensional (2D) van der Waals are made of atomically thin layers, held together by weak van der Waals forces. These materials have been the focus of numerous studies, as their unique properties make them ideal for studying various exotic and rare physical...
New superionic conducting electrolyte could enhance stability of all-solid-state lithium metal batteries
All-solid-state lithium metal batteries (LMBs) are promising energy storage solutions that incorporate a lithium metal anode and solid-state electrolytes (SSEs), as opposed to the liquid ones found in conventional lithium batteries. While solid-state LMBs could...
New method realize ohmic contacts in n-type MoS₂ transistors at cryogenic temperatures
Semiconducting transition metal dichalcogenides (TMDs) are a class of layered materials exhibiting unique optoelectronic properties that could be leveraged to develop transistors, sensors and other nanoelectronics. Despite their advantages, creating robust ohmic...
New blue light-emitting lasers leverage low-toxicity colloidal quantum dots
Blue lasers, lasers that emit a light beam with a wavelength between 400 nm and 500 nm, are key components of various technologies, ranging from high-resolution displays to printers, medical imaging tools and data storage solutions. A key advantage of these lasers is...
Quasiperiodicity changes the ground-state properties of 1D narrow-band moiré systems, study demonstrates
Moiré materials, such as twisted bilayer graphene, are materials generally formed by stacking two or more layers of 2D materials on top of each other with a small lattice mismatch. This slight mismatch creates a unique pattern known as the moiré pattern, which is...