| Samples | λabs (π→π* band) (nm) | λabs (Exiton band) (nm) | λemi (nm) |
| PAni | 292 | 645 | 345 |
| PAni-PEG | 287 | 630 | 343 |
| PAni-As2S3 | 290 | 641 | 411 |
| PAni-PEG-As2S3 | 289 | 641 | 392 |