University of California, Riverside

Department of Electrical and Computer Engineering

DOE funds Liu's energy-saving lighting research

DOE funds Liu's energy-saving lighting research

Jianlin LiuElectrical Engineering Associate Professor Jianlin Liu has received a three-year grant from the Department of Energy (DOE) to investigate zinc oxide thin films for solid state lighting. Light emitting diodes based on some semiconductors such as gallium nitride and zinc oxide have the potential to replace fluorescent and incandescent lighting, as those devices use significantly less electricity.

Zinc oxide is a wide band gap semiconductor material that has potential applications in ultraviolet optoelectronics such as lasers and LEDs (light emitting diodes), widely used as indicator lights on electronic devices and increasingly in applications such as flashlights and area lighting. Liu’s project lays out a concrete plan to study reliability of p-type doping of the material by antimony in molecular beam epitaxy, which was first reported by his group.

The DOE Basic Energy Science program supports fundamental research in focused areas of the natural sciences for new and improved energy technologies and mitigating environmental impacts of energy use. The successful demonstration of Liu’s project is expected to stimulate broader interest toward future development of LEDs based on zinc oxide materials for solid state lighting sources.


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