Calculations 6 Density functional theory 6 Electronic structure 4 Color 3 First principle calculations 3 First principles 3 electronic health record 3 Amines 2 Antiferromagnetism 2 Atoms 2 COVID-19 2 Cancer biomarkers 2 Carbon 2 Carbon Quantum Dots 2 Carbon quantum dots 2 Computation theory 2 Density-functional-theory 2 Diseases 2 Dopamine 2 Electric conductivity 2 Electrical conductivity 2 Electroluminescence 2 Electronic Health Records 2 Electronic.structure 2 Emission color 2 First-principle study 2 Fluorescence 2 Humans 2 Hydrothermal method 2 Hydrothermal methods 2