Carbon dots (CDs) refer to a class of carbon-based nanoparticles with various subgroups
based on their crystallinity and morphology. CDs offer tuneable physical, chemical, and …

Carbon dots (CDs) have attracted considerable attention as a new type of fluorescent
carbon nanomaterial because of their excellent optical properties, biocompatibility, and high …

Carbon dots (CDs) are known as the rising star of carbon-based nanomaterials and, by
virtue of their unique structure and fascinating properties, they have attracted considerable …

Background Solid waste spent coffee grounds (SCGs) are generated in the process of
producing coffee products. SCGs currently exist in the main treatment methods of …

The practical application of aqueous Zn-ion batteries has been largely plagued by the poor
reversibility of Zn anode, mainly associated with the dendritic growth and interfacial parasitic …

Globally, 91% of plant production encounters diverse environmental stresses that adversely
affect their growth, leading to severe yield losses of 50–60%. In this case, monitoring the …

The fluorescent carbon dot is a novel type of carbon nanomaterial. In comparison with
semiconductor quantum dots and fluorescence organic agents, it possesses significant …

Carbon and graphene quantum dots are prepared using top-down and bottom-up methods.
Sustainable synthesis of quantum dots has several advantages such as the use of low-cost …

In the context of the circular economy and decreasing earth resources, waste should be
converted into value-added materials such as carbon quantum dots, which are fluorescent …

Carbon quantum dots (CQDs) are a fascinating class of carbon nanoparticles with sizes
around 10 nm. The unique properties of CQDs are low toxicity, chemical inertness, excellent …