Novel synthesis of graphene quantum dots using L-aspartic acid

Prasad, Suparnamaaya

doi:10.1117/12.2547557

Cited by 1 publication

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“…Using GQDs as a heteroatom-doped detection portion, the identification of metal ions and nitro compounds can be harmful to general health and the surrounded media. To evaluate the existence of metal ions, most researchers have used the fluorescence quenching effect process [121,122]. On another hand, an effective method for determining ascorbic acid (AA) in human serum based on the fluorescence intensity of GQDs was suggested by Liu et al In the detection range and borderline area of 1.11-300 µM and 0.32 µM, respectively, the tailored results showed a significant and satisfactory linear response for AA.…”

Section: Sensor Photoluminescencementioning

confidence: 99%

Outstanding Graphene Quantum Dots from Carbon Source for Biomedical and Corrosion Inhibition Applications: A Review

et al. 2021

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Graphene quantum dots (GQD) is an efficient nanomaterial composed of one or more layers of graphene with unique properties that combine both graphene and carbon dots (CDs). It can be synthesized using carbon-rich materials as precursors, such as graphite, macromolecules polysaccharides, and fullerene. This contribution emphasizes the utilization of GQD-based materials in the fields of sensing, bioimaging, energy storage, and corrosion inhibitors. Inspired by these numerous applications, various synthetic approaches have been developed to design and fabricate GQD, particularly bottom-up and top-down processes. In this context, the prime goal of this review is to emphasize possible eco-friendly and sustainable methodologies that have been successfully employed in the fabrication of GQDs. Furthermore, the fundamental and experimental aspects associated with GQDs such as possible mechanisms, the impact of size, surface alteration, and doping with other elements, together with their technological and industrial applications have been envisaged. Till now, understanding simple photo luminance (PL) operations in GQDs is very critical as well as there are various methods derived from the optical properties of manufactured GQDs can differ. Lack of determining exact size and morphology is highly required without loss of their optical features. Finally, GQDs are promising candidates in the after-mentioned application fields.

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Section: Sensor Photoluminescencementioning

confidence: 99%