Near-infrared fluorescent Ag 2 S quantum dots stabilized by penicillamine enantiomers: influence of ligand chirality on linear and nonlinear optical properties and toxicity

Key Points

• This research examines how ligand chirality affects the optical properties and toxicity of silver sulfide quantum dots.
• Synthesized chiral Ag 2 S quantum dots using penicillamine enantiomers.
• Conducted nonlinear optical characterization of the synthesized quantum dots.
• Evaluated the toxicity of the quantum dots.
• Assessed linear optical properties alongside non-linear characteristics.
• Chirality of penicillamine influences both linear and nonlinear optical properties of the quantum dots.
• Toxicity assessments indicate varying effects based on ligand chirality.
• Success in optimizing synthesis conditions for NIR-emitting quantum dots.