| ΔE | =peak separation |
| ε | extinction coefficient |
| f | =oscillator strength |
| λmax | wavelength of absorbance maximum |
| D-A | donor-acceptor |
| Eg | band gap |
| Egelec | electrochemical band gap |
| Egopt | optical band gap |
| Eonset | onset potential |
| Epa | aniodic peak potential |
| Epc | cathodic peak potential |
| E½ | half-wave potential |
| HOMO | highest occupied molecular orbital |
| HRMS | high resolution mass spectrometry |
| ICT | intramolecular charge transfer |
| ITO | indium tin oxide |
| lit. | literature |
| LUMO | lowest unoccupied molecular orbital |
| mp | melting point |
| NIR | near infrared |
| NMR | nuclear magnetic resonance |
| OLEDs | organic light-emitting diodes |
| OPVs | organic photovoltaics |
| S0 | singlet ground state |
| S1 | first singlet excited state |
| S2 | second singlet excited state |
| SCE | saturated calomel electrode |
| TBAPF6 | tetrabutylammonium hexafluorophosphate |
| TP | thieno[3,4-b]pyrazineReferences |