Color image sensing by a smartphone or digital camera employs sensor elements with an
array of color filters for capturing basic blue, green, and red color information. However, the …

Optical color sensors based on perovskites are described. These sensors overcome the
limits of conventional image sensors used in smartphones and digital cameras. The sensors …

Perovskites have been found with their exceptional optoelectronic properties that may bring
new options to high‐performance cameras. However, the best images obtained by …

Broad-and narrow-band, tunable perovskite photodetectors (PPDs) with size-dependent fast
response times are demonstrated for the first time in optical sensing of analytes, including …

Spectral sensing plays a crucial part in imaging technologies, optical communication, and
other fields. However, complicated optical elements, such as prisms, interferometric filters …

Organic hybrid perovskite‐based photosensors generally display high responsivities and
ultrafast response speeds, but their high dark currents with low detectivities have impeded …

Halide perovskites are promising photoactive materials for filter‐free color‐imaging sensors
owing to their outstanding optoelectronic properties, tunable bandgaps, and suitability for …

In this study, optical multispectral sensors based on perovskite semiconductors have been
proposed, simulated, and characterized. The perovskite material system combined with the …

Color‐selective photodetectors (PDs) play an indispensable role in spectral recognition,
image sensing, and other fields. Nevertheless, complex filters and delicate optical paths in …

Polarization-sensitive photodetectors can present polarization information as electrical
signals. They offer increasingly extensive applications in remote sensing imaging …