Journal of Ultrafine Grained and Nanostructured Materials

Journal of Ultrafine Grained and Nanostructured Materials

Luminescent properties of graphene quantum dots (GQDs) functionalized with LCysteine

Document Type : Research Paper

Authors
Ali Moeini
Hossein Anabestani
Hamid Reza Madaah Hosseini
Adrine Malek Khachatourian
Department of Materials Science and Engineering, Sharif University of Technology, Azadi Avenue, P.O. Box 11155-9466, Tehran, Iran
10.22059/jufgnsm.2023.01.12
Abstract
Graphene quantum dots (GQDs) are one of the most uprising nanomaterials that have been used in biomedical applications because of their interesting luminescent properties. This work presents a facile way to attach the LCysteine onto the surface of GQDs, which enhances the applicability of the final molecules in biomedical applications. Furthermore, the luminescent properties of synthesized GQDs and LCysteine-GQDs with different methods of prevalent spectroscopy. The obtained GQDs- LCysteine show a red shift in PL results with an increase in wt.% LCysteine compared to GQDs. According to the results, this platform has the potential to be used in many biological applications, such as bio-imaging and bio-labeling.
Keywords
Graphene quantum dots
LCysteine
Optical properties
Luminescent
Biomedical applications
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Journal of Ultrafine Grained and Nanostructured Materials
Volume 56, Issue 1
June 2023
Pages 121-128

  • Receive Date 28 June 2023