The coexistence of multiple toxic water pollutants (heavy metals, organic dyes, oils, and
organic solvents) limits the sustainable supply of clean water worldwide and urges the …

High-performance electrocatalysts for the hydrogen evolution reaction are of interest in the
development of next-generation sustainable hydrogen production systems. Although …

A novel kind of nitrogen-doped carbon dots (N-CDs) with strong blue fluorescence emission
was synthesized via microwave pyrolysis method using humic acid, urea, and citric acid as …

Highly concentrated amino group-modified biochars derived from twelve biomass residuals
are achieved using a two-step radio-frequency Ar/NH 3 plasma. The dependence of amino …

The adsorption of hydrated heavy metals on graphene quantum dots is investigated using
the density functional theory. The considered heavy metals are Cd and Pb that are hexa …

Sustainable solar fuels production through reduction of molecular CO2 using photocatalysts
is an eco‐friendly and dependable source of energy for the future and for controlling the …

The combination of wide-band gap semiconductors such as zinc oxide (ZnO) and graphene
quantum dots (GQDs) is a promising strategy to tune the optoelectronic properties of GQDs …

The adsorption mechanism of ammonium (NH 4+) ion onto graphene quantum dots (GQDs)
surface, modified with vacancy and heteroatom (nitrogen (N) and oxygen (O)), has been …

In this work, using density functional theory, we investigate the adsorption process of toxic
metal ions (Hg 2+, Cd 2+, and Pb 2+) on graphene nanoflakes (GNF) comprised of various …

The optical properties of graphene nanodots (GND) and their interaction with phosphate
ions have been investigated to explore their potential for optical sensing applications. The …