| 0D | Zero-Dimensional |
| 2D | Two-Dimensional |
| 3D | Three-Dimensional |
| BVO | BiVO4 |
| CB | Conduction Band |
| c-GQD | Inter-Connected Graphene Quantum Dots |
| CN | Carbon Nitride |
| CNT | Carbon Nanotube |
| CV | Cyclic Voltammetry |
| EC | Electrochemistry/Electrochemical |
| EDS | Energy Dispersive X-ray Spectroscopy |
| EHP | Electron-Hole Pair |
| FTO | Fluorine-doped Tin Oxide |
| g-C3N4 | Graphitic Carbon Nitride |
| GO | Graphene Oxide |
| GO QD | Graphene Oxide Quantum Dot |
| GQD | Graphene Quantum Dot |
| GQS | Graphene Quantum Sheet |
| Gr | Graphene |
| HAADF-STEM | High-angle Annular Dark-field Scanning Transmission Electron Microscopy |
| HER | Hydrogen Evolution Reaction |
| HRTEM | High-resolution Transmission Electron Microscopy |
| ITO | Indium-doped Tin Oxide |
| LDH | Layered Double Hydroxide |
| LSV | Linear Sweep Voltammetry |
| MNG | Melamine Nanogeodes |
| N-GQD | N-doped Graphene Quantum Dot |
| N-GQS | N-doped Graphene Quantum Sheet |
| NGR | N-doped Graphene |
| NP | Nanoparticle |
| OER | Oxygen Evolution Reaction |
| PEC | Photoelectrochemisty / Photoelectrochemical |
| rGO | Reduced Graphene Oxide |
| SEM | Scanning Electron Microscopy |
| SiNW | Silicon Nanowire |
| TCN | Tubular Carbon Nitride |
| TEOA | Triethanolamine |
| TNTA | TiO2 Nanotube Arrays |
| TVD | Thermal Vapor Deposition |
| VB | Valance Band |
| XRD | X-ray Diffraction |