| BDC-NH2 | 2-amino-benzene-1,4-dicarboxylate |
| Bipy | 4,4′-bipyridine |
| BPDTE | 1,2-bis(2-methyl-5-(pyridin-4-yl)thiophen-3-yl)cyclopent-1-ene |
| bpy | 2′2-bipyridine |
| BTC | benzene-1,3,5-tricarboxylate |
| CB | conduction band |
| CH4 | methane |
| CH3OH | methanol |
| CO2 | carbon dioxide |
| DHN | 1,5-dihydroxynaphthalene |
| E g | band gap energy |
| ESR | electron spin resonance |
| g-C3N4 | graphitic carbon nitride |
| H4L1 | bis(3,5-dicarboxyphenyl)isophthalamide |
| H2O | water |
| H10tbcppp | 3,5-bis[(4-carboxy)-phenyl]phenylporphine |
| H2TCPP | meso-tetra(4-carboxyl-phenyl) prophyrin |
| LMCT | ligand-to-metal charge transfer |
| MB | methylene blue |
| MOFs | metal organic frameworks |
| N-NpC | N-doped nanoporous carbon |
| NPs | nanoparticles |
| NRs | nanorods |
| P25 | Degussa commercial mixed anatase-rutile phase TiO2 nanophosphor |
| PBS | Ponceau BS |
| PHIK | potassium poly(heptazine imide) |
| POMs | polyoxometalates |
| ppy | 2-phenylpyridine |
| RhB | Rhodamine B |
| SnIVTPyP | 5,10,15,20-tetra(4-pyridyl)-tin(IV)-porphyrin) |
| SPR | surface plasmon resonance |
| TCPP | 4,4′,4′′,4′′′-(porphyrin-5,10,15,20-tetrayl) tetrabenzoate |
| TEM | transmission electron microscopy |
| TEOA | triethanolamine |
| TOF | turnover frequency |
| TON | turnover number |
| UV-vis DRS | UV-vis diffuse reflectance spectroscopy |
| ZIF | Zeolitic imidazolate framework |