Here, we report some new observations on the luminescence of carbon dots (CDs) that are
passivated with polyethylene glycol, and explored them, for the first time, as highly sensitive …

Green-emissive N, S-self-doped carbon nanodots (N, S-self-CNDs) with an ultrahigh
fluorescence (FL) quantum yield (QY) of 60% were synthesized using methyl blue as the …

A facile one-pot approach to prepare photoluminescent carbon dots (CDs) was developed
through hydrothermal treatment of cysteine and citric acid. The obtained CDs show stable …

Carbon quantum dots (CQDs) based sensor has been built many times. Optical properties,
such as optical absorption, have been neglected for too long. Here, we have reported the …

In this article, we prepare the nitrogen (N) and sulphur (S) co-doped carbon dots (NS-CDs)
via a one-step hydrothermal method using the methionine as the precursor. The N and S …

Carbon dots have many new and interesting phenomena and the concentration‐dependent
luminescence wavelength is an intriguing one. Luminescent carbon dots have recently …

Novel N-doped carbon dots (CDs) were synthesized. The fluorescent quantum yield of the
CDs is up to 93.3%, and the fluorescence lifetime of the CDs is up to 19.50 ns. The optical …

Carbon dots (CDs) have been studied for years as one of the most promising fluorescent
nanomaterials. However, CDs with red or solid-state fluorescence are rarely reported …

As a new type of carbon nanomaterial, carbon dots (CDs) have attracted more and more
attention due to their excellent properties. Here, we developed a simple, green and …

In this work, novel nitrogen, fluorine co-doped carbon dots (N, F-CDs) have been
synthesized by a hydrothermal method using melamine and 2, 4-difluorobenzoic acid as …