IR and Raman spectroscopy reveal amino acid–surface interactions on B- and N-doped hydroxylated graphene quantum dots: a DFT study

Key Points

• Investigate the interactions between amino acids and B/N-doped hydroxylated graphene quantum dots (GQDs).
• DFT calculations of Raman spectra
• Analysis of hydroxyl (OH) functionalization effects
• Comparison of D- and G-band characteristics
• OH groups lead to significant modifications in D- and G-band spectra
• Observed changes indicate enhanced vibrational coupling
• Symmetry breaking is evident in the doped GQDs' interactions