An international group of researchers shed light on oxygen's role in enhancing red LEDs and reported that the quantity and location of oxygen in gallium nitride (GaN) can be fine-tuned to improve the optical performance of europium-doped GaN devices.
Scientists have developed a new approach in enhancing catalytic performance. They report functionalised, self-assembled nanospheres that enable highly efficient catalytic conversion by acting as 'nanocentrators'.
A technique that combines the ultrasensitivity of surface-enhanced Raman scattering (SERS) with a slippery surface will make it feasible to detect single molecules of a number of chemical and biological species from gaseous, liquid or solid samples. This combination of slippery surface and laser-based spectroscopy will open new applications in analytical chemistry, molecular diagnostics, environmental monitoring and national security.
A two-stage power management and storage system could dramatically improve the efficiency of triboelectric generators that harvest energy from irregular human motion such as walking, running or finger tapping.