In the past 10years, ZnO as a semiconductor has attracted considerable attention due to its
unique properties, such as high electron mobility, wide and direct band gap and large …

The pathway towards the realization of optical solid-state lasers was gradual and slow. After
Einstein's paper on absorption and stimulated emission of light in 1917 it took until 1960 for …

The polar nature of the wurtzite crystalline structure of GaN and ZnO results in the existence
of a spontaneous electric polarization within these materials and their associated alloys (Ga …

Although nitrogen-doped zinc oxide has been fabricated as a light-emitting diode, the origin
of its p-type conductivity remains mysterious. Here, by analyzing the surface reaction …

Recent technological advancement in ZnO heterostructures has expanded the possibility of
device functionalities to various kinds of applications. In order to extract novel device …

Highlights•A critical analysis of the status of p-type doping of ZnO is presented.•The
performance of ZnO-based light-emitting diodes is reviewed.•The role of defects and self …

ZnO is one of the most important functional materials with a wide direct band gap, large
exciton binding energy, and facile growth of high quality nanostructures, which make it very …

Global environmental pollution and energy crisis have been regarded as important issues in
recent years, making people aware of the need to develop environmentally friendly energy …

We synthesized a 0.1% Li-doped ZnO translucent ceramic using spark plasma sintering
(SPS) and annealed it at 700 or 800 C in air. The photoluminescence (PL) and scintillation …

Zinc oxide (ZnO) is a compound semiconductor with a direct band gap and high exciton
binding energy. The unique property, ie, high efficient light emission at ultraviolet band …