WebApr 9, 2024 · A suppositional combination model among hydroxyapatite, graphene quantum dots, and dolomite were suggested based on structural similarities between the support material and components of the functional coating. The integrality and efficiency of the hydroxyapatite film was improved by compositing with graphene quantum dots. WebOct 9, 2024 · Novel high-thermal stability photoluminescent carbon dots (CDs) with a quantum yield of 50% in water were synthesized using oleic acid as an organic substrate. The synthesized CDs were of the order of 10 nm and exhibit bright green luminescence in the UV spectrum. ... (2015) Glowing graphene quantum dots and carbon dots: …
The use of carbon quantum dots as fluorescent materials in white …
WebFeb 19, 2015 · At present, the actual mechanism of the photoluminescence (PL) of fluorescent carbon dots (CDs) is still an open debate among researchers. Because of the variety of CDs, it is highly important to summarize the PL mechanism for these kinds of carbon materials; doing so can guide the development of effective synthesis routes and … WebMay 19, 2024 · Porous graphitic carbon nanorings (PGCNs) are proposed by smart catalytic graphitization of nano-sized graphene quantum dots (GQDs). The as-prepared PGCNs show unique ring-like morphology with diameter around 10 nm, and demonstrate extraordinary mesoporous structure, controllable graphitization degree and highly … tablerock bait
Novel synthesis of high-thermal stability carbon dots and ...
WebJun 19, 2024 · The presence of large amount of oxygenous functionality was confirmed by FT-IR spectra and UV–vis spectroscopy. The optical properties reveal the bright blue luminescent nature of carbon quantum dots and graphene quantum dots with a produced yield of 25.7% and 12.54% respectively. Export citation and abstract BibTeX … WebSep 15, 2024 · Carbon-based quantum dots and their nanocomposites have sparked immense interest for researchers as sensors due to their attractive physico-chemical properties caused by edge effects and … WebA new dual-doped, Phosphorus(P) and Nitrogen(N), fluorescent graphene quantum dots (P, N-GQDs) have been synthesized and used to detect “Mercury(II)-Cysteine (Hg 2+-Cys)” as a “Turn off-on” fluorescent sensor.First, blue-green emitting P, N-GQDs with high quantum efficiency were successfully prepared for the first time from lemon salt by … tablerock holdings llc