Synthesised Amines 2 Carbon 2 Carbon Quantum Dots 2 Carbon quantum dots 2 Color 2 Computation theory 2 Density functional theory 2 Dopamine 2 Electroluminescence 2 Emission color 2 First principles 2 Fluorescence 2 Hydrothermal method 2 Hydrothermal methods 2 Nanocrystals 2 Neurophysiology 2 One-pot hydrothermal synthesis 2 Potassium compounds 2 Quantum dot synthesis 2 Semiconductor quantum dots 2 Sensing platforms 2 Silicon 2 Tunable emissions 2 Aspect ratio 1 BiFeO 3 thin films 1 Bismuth compounds 1 Ca elements 1 Ca-doped 1 Chemical-etching process 1