Content for ASR.Edu

Atomic nitrogen route to new 2D semiconductors

“A technique for making ultrathin, two-dimensional films of tungsten disulfide could underpin next-generation electronic and optoelectronic technologies. A simple and non-destructive fabrication technique could aid the manufacture of more energy efficient two-dimensional (2D) films needed to transform the electronics industry …

Building a new wave of lightweight structural panels

“Computerized design reveals how honeycomb-like frameworks with unusual rippled shapes can produce buckle-resistant architectures Composite panels that sandwich a porous inner core between two solid outer sheets are increasingly being used in aircraft to reduce weight while maintaining structural rigidity …

Helping fuel cells beat the heat

“A strategy for stabilizing silver films could make high-efficiency fuel cells usable in portable devices Solid oxide fuel cells (SOFCs) offer a stable and efficient way to generate clean electrochemical power, but are impractical for use in portable devices because …

Tiny antennae directing light at the chip scale

“A hybrid nanoantenna designed to manipulate visible light could one day help transmit information in tiny optical devices A nanoscale optical antenna developed by researchers at A*STAR allows the manipulation of visible light waves on the scale of microchips …

Toughening up polymers

“Adding nanoparticles to a polymer matrix enhances the thermo-mechanical properties of the materials A*STAR researchers have toughened up polylactic acid while maintaining its elasticity by adding core-shell nanoparticles as a filler1. Polylactic acid (PLA) is a biodegradable and highly …

Shrinking semiconductor lasers to the nanoscale

“An ultracompact laser has been made using nanoscale semiconductor columns A tiny laser comprising an array of nanoscale semiconductor cylinders (see image) has been made by an all-A*STAR team1. This is the first time that lasing has been achieved …

Stepping up water splitting

“Cheap and accessible cobalt-based catalysts could fast-track the industrial-scale production of hydrogen from water. A low-cost and simple alternative to expensive platinum-based catalysts that generate hydrogen from water could soon be available, thanks to A*STAR researchers. A team from …

Tuning into the potential of phosphorene

“Better understanding of the wetting characteristics of phosphorene could pave the way for new applications in biological engineering A technique for investigating the wetting behavior of water on phosphorene — the single layer form of black phosphorus — has been developed by …

Suppressing sound in extreme places

“Tailor-made metallic foams could soak up sound in high pressure, high temperature environments such as jet engines. Superalloy foams could make ship and aircraft engines much quieter, new research suggests1. The engine and exhaust system of a jet is the …

Light-bending nano-patterns for LEDs

“Direct nanoscale patterning of LED surfaces brings new possibilities for the control of light Nanoscale patterns designed to bend, deflect and split light can now be fabricated directly on light-emitting diode (LED) surfaces using an innovative etching method developed by …