As a wide‐bandgap semiconductor material, titanium dioxide (TiO2), which possesses three
crystal polymorphs (ie, rutile, anatase, and brookite), has gained tremendous attention as a …

Metal halide perovskites (MHPs) have been a hot research topic due to their facile synthesis,
excellent optical and optoelectronic properties, and record‐breaking efficiency of …

Ga2O3-based solar blind avalanche photodetectors exhibit low voltage operation, optical
filter-free and monolithic integration of photodetector arrays, and therefore they are …

Polarization-sensitive ultraviolet (UV) photodetection is of great technological importance for
both civilian and military applications. Two-dimensional (2D) group-10 transition-metal …

Self-powered photodetectors can work with low power consumption or even without any
supply from external power sources, and they are recognized as one of the developing …

Organic photodetectors (OPDs) have attracted continuous attention due to their outstanding
advantages, such as tunability of detecting wavelength, low‐cost manufacturing …

There is an emerging need for high-sensitivity solar-blind deep ultraviolet (DUV)
photodetectors with an ultra-fast response speed. Although nanoscale devices based on Ga …

The Photodetector (PD) refers to an energy harvesting device that can directly convert light
energy into electric current. Such a device has been widely used in different applications …

Various kinds of optical devices have been designed for unique functionality based on a
deeper understanding of optical principles. Recently, the research of functional optics has …

The demand for portable and wearable chemical or biosensors and their expeditious
development in recent years has created a scientific challenge in terms of their continuous …