Since the discovery of mechanically exfoliated graphene in 2004, research on ultrathin two-
dimensional (2D) nanomaterials has grown exponentially in the fields of condensed matter …

As a fascinating conjugated polymer, graphitic carbon nitride (g-C3N4) has become a new
research hotspot and drawn broad interdisciplinary attention as a metal-free and visible-light …

Lithium–sulfur (Li–S) batteries are severely hindered by the low sulfur utilization and short
cycling life, especially at high rates. One of the effective solutions to address these problems …

Graphene and other 2D atomic crystals are of considerable interest in catalysis because of
their unique structural and electronic properties. Over the past decade, the materials have …

The oxygen evolution reaction is a key reaction in water splitting. The common approach in
the development of oxygen evolution catalysts is to search for catalytic materials with new …

Semiconductor‐based photocatalysis as a productive technology furnishes a prospective
solution to environmental and renewable energy issues, but its efficiency greatly relies on …

Hydrogen generation from the direct splitting of water by photocatalysis is regarded as a
promising and renewable solution for the energy crisis. The key to realize this reaction is to …

Photoelectrochemical (PEC) water splitting is a promising approach for solar-driven
hydrogen production with zero emissions, and it has been intensively studied over the past …

Two-dimensional nanosheets have attracted tremendous attention because of their
promising practical application and theoretical values. The atomic-thick nanosheets are able …

Conspectus Although great progress has been achieved in the study of graphene, the small
current ON/OFF ratio in graphene-based field-effect transistors (FETs) limits its application in …