A grand family of two-dimensional (2D) materials and their heterostructures have been
discovered through the extensive experimental and theoretical efforts of chemists, material …

Abstract Two-dimensional materials (2DMs) have been used widely in constructing
photodetectors (PDs) because of their advantages in flexible integration and ultrabroad …

Although graphene has met many of its initially predicted optoelectronic, thermal, and
mechanical properties, photodetectors with large spectral bandwidths and extremely high …

The photoexcitation life cycle from incident photon (and creation of photoexcited electron–
hole pair) to ultimate extraction of electrical current is a complex multiphysics process …

Semimetals are being explored for their unique advantages in low-energy high-speed
photodetection, although they suffer from serious drawbacks such as an intrinsically high …

Two-dimensional layered materials (2DLMs) have been a central focus of materials
research since the discovery of graphene just over a decade ago. Each layer in 2DLMs …

Intensive efforts have been devoted to the exploration of new optoelectronic devices based
on two-dimensional transition-metal dichalcogenides (TMDCs) owing to their strong light …

Graphene is an ideal material for optoelectronic applications. Its photonic properties give
several advantages and complementarities over Si photonics. For example, graphene …

Graphene and other two-dimensional materials, such as transition metal dichalcogenides,
have rapidly established themselves as intriguing building blocks for optoelectronic …

We present the science and technology roadmap for graphene, related two-dimensional
crystals, and hybrid systems, targeting an evolution in technology, that might lead to impacts …