Researchers have developed a single atomic cobalt-based catalyst with approximately 40% improved performance and stability compared to contemporary cobalt nanoparticle catalysts.
Researchers have developed an optoelectronic NIR-to-visible upconversion device based on designed semiconductor heterostructures, exhibiting a linear response, fast dynamics, and low excitation power.
Researchers report that integrating van der Waals p-n heterojunctions of 2D materials on optical waveguides can provide a promising strategy to realize chip-integrated photodetectors with low dark current, high responsivity, and fast speed.