In this research, we report a facile method for synthesizing a series of carboxyl functionalized graphene quantum dots (GQDs) using graphite flakes (300 meshes) as raw material.

2023年10月3日 · Graphene Quantum Dots (GQDs), a brand-new class of luminous zero-dimensional materials, due to their distinct optical characteristics, size and quantum …

Comprehensive characterization of graphene quantum dots (GQDs): (a) UV-Vis absorption spectrum illustrating the primary absorption features, (b) Fourier Transform Infrared (FTIR) …

2021年9月6日 · Here, we report that the functionalized graphene quantum dots can direct CO 2 to CH 4 conversion with simultaneous high selectivity and production rate. The electron-donating …

2019年9月1日 · Graphene quantum dots (GQDs) are a novel, zero-dimensional nanomaterial made from graphene. GQDs are small graphene fragments, with particle sizes in the range of …

2020年12月4日 · Graphene quantum dots (GQDs), a novel type of zero-dimensional fluorescent materials, have gained considerable attention owing to their unique optical properties, size...

2024年11月1日 · FTIR analysis of GQDs typically reveals peaks corresponding to various functional groups, such as hydroxyl (–OH), carboxyl (–COOH), amine (–NH 2), and carbonyl …

4 天之前 · Among the various DDSs, graphene quantum dot-hyaluronic acid (GQD-HA) nanocarriers, composed of conjugated GQDs and HA, are distinguished by their …

4 天之前 · Figure 2C, D demonstrate that under excitation light at a wavelength of 360 nm, both N-GQDs and N-GQDs-AuNP exhibit good luminescent properties, with emission peaks …

N-GQDs, conductive carbon black, and polytetrafluoroethylene suspension (5 wt%) were dissolved in an appropriate amount of alcohol in a mass ratio of 8:1:1 and sonicated for 15 …