The good stability, low cytotoxicity, and excellent photoluminescence property of graphene
quantum dots (GQDs) make them an emerging class of promising materials in various …

Heteroatom doping can drastically alter the electronic characteristics of graphene quantum
dots (GQDs), thus resulting in unusual properties and related applications. Herein, we …

Graphene quantum dots (GQDs) have attracted much attention of many researchers
because of their low cytotoxicity, good optical stability, and excellent photoluminescence …

A turn-on orange-red fluorescent nanosensor based on rhodamine B derivative-
functionalized graphene quantum dots (RBD-GQDs) has been successfully synthesized for …

Herein, a facile bottom–up approach for producing nitrogen doped graphene quantum dots
(N-GQDs) was carried out by the carbonization of citric acid through hydrothermal treatment …

Rapid and sensitive fluorescence nanomaterials sensor with satisfactory selectivity has
gained numerous importance for detecting multiple metal ions. Graphene quantum dot …

Owing to their small size, biocompatibility, unique and tunable photoluminescence, and
physicochemical properties, graphene quantum dots (GQDs) are an emerging class of zero …

Herein, the erbium-doped graphene quantum dots (Er-GQDs) with up-and down-conversion
fluorescence have, for the first time, been hydrothermally fabricated at lactose-to-erbium …

The introduction of functional groups may drastically alter the electronic characteristics of
graphene quantum dots (GQD), thus leading to unusual properties and related applications …

Sensitive and selective detection of metal ions is important for environmental monitoring and
biological studies because metal ions play crucial roles in many physiological and …