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

Graphene (Gr) has many unique properties including gapless band structure, ultrafast
carrier dynamics, high carrier mobility, and flexibility, making it appealing for ultrafast …

The emerging Ruddlesden–Popper two-dimensional perovskite (2D PVK) has recently
joined the family of 2D semiconductors as a potential competitor for building van der Waals …

Organolead halide perovskites have emerged as the most promising materials for various
optoelectronic devices, especially solar cells, because of their excellent optoelectronic …

Organic–inorganic hybrid perovskites have emerged as promising functional materials for
high‐performance photodetectors. However, the toxicity of Pb and the lack of internal gain …

Nitrogen-functionalized graphene quantum dots (NGQDs) with tailorable optical properties
are prepared by a versatile technique, which allows the highest occupied molecular …

As one of the most appealing two-dimensional materials, graphene (Gr) has attracted
tremendous research interest in optoelectronic device applications for its plenty of …

In recent decades, quantum dots (QDs) with tunable bandgap, large absorption coefficient,
high quantum yield, multiexciton effect, and easy solution processing have unparalleled …

Organic–inorganic hybrid perovskites (PVKs) have recently emerged as attractive materials
for photodetectors. However, the poor stability and low electrical conductivity still restrict their …

In ZnO quantum dot/graphene heterojunction photodetectors, fabricated by printing quantum
dots (QDs) directly on the graphene field-effect transistor (GFET) channel, the combination of …