High‐energy excitons in transition metal dichalcogenides (TMDs), resulting from intrinsic
van Hove singularities in the density of states, demonstrate strong ultraviolet light absorption …

Avalanche or carrier-multiplication effect, based on impact ionization processes in
semiconductors, has a great potential for enhancing the performance of photodetector and …

Anomalous negative phototransistors have emerged as a distinct research area,
characterized by a decrease in channel current under light illumination. Recently, their …

Two-dimensional (2D) materials-based photodetectors in the infrared range hold the key to
enabling a wide range of optoelectronics applications including infrared imaging and optical …

We engineered a two-dimensional Pt/WSe2/Ni avalanche photodetector (APD) optimized for
ultraweak signal detection at room temperature. By fine-tuning the work functions, we …

Visual adaptive devices have potential to simplify circuits and algorithms in machine vision
systems to adapt and perceive images with varying brightness levels, which is however …

The properties of photodetectors based on two-dimensional materials can be significantly
enhanced by avalanche effect. However, a high avalanche breakdown voltage is needed to …

Abstract 2D materials and their heterostructures exhibit considerable potential in the
development of avalanche photodetectors (APDs) with high gain, response, and signal‐to …

Two-dimensional (2D) materials have attracted great attention in the past few years and offer
new opportunities for the development of high-performance and multifunctional bipolar …

Applying a drain bias to a strongly gate-coupled semiconductor influences the carrier
density of the channel. However, practical applications of this drain-bias-induced effect in …