Optical metasurfaces—subwavelength-patterned surfaces that interact strongly with light—
have been an active area of research for more than a decade. The field has been driven by …

Perovskite photodetectors (PPDs), which combine the advantages of perovskite
semiconductor materials with superior optical and electronic properties and solution …

In recent years, metal halide perovskites have been widely investigated to fabricate
photodetectors for image sensing due to the excellent photoelectric performance, tunable …

Major growth in the image sensor market is largely as a result of the expansion of digital
imaging into cameras, whether stand‐alone or integrated within smart cellular phones or …

Recently, color generation in resonant nanostructures have been intensively studied.
Despite of their exciting progresses, the structural colors are usually generated by the …

Wavelength-selective light detection is crucial for many applications, including imaging and
machine vision. Narrowband spectral responses are required for colour discrimination, and …

Optoelectronic memory plays a vital role in modern semiconductor industry. The fast
emerging requirements for device miniaturization and structural flexibility have diverted …

Spectrally selective light detection is vital for full-colour and near-infrared (NIR) imaging and
machine vision. This is not possible with traditional broadband-absorbing inorganic …

Photodetectors as a significant unit of intelligent optoelectronic systems have stimulated
immense attention from multidisciplinary areas. Photomultiplication (PM) is desirable for …

Filterless narrowband response organic photodetectors (OPDs) present a great challenge
due to the broad absorption range of organic semiconducting materials. The reported …