Abstract
Coronenediimide (CDI 3) forms long fibrillar nanostructure when dissolved in DMF. On addition of >70% water in DMF, CDI 3 undergo fibre-to-disc morphological transformation alongside onset of different emission colors in water-DMF binary mixtures. These self-assembled red emitting aggregates of CDI 3 applied for visualization of latent fingerprints using solution spray and powder dusting methods on porous and non-porous surfaces commonly found in home such as aluminium, stainless steel, glass, metal coins, compact discs (CDs), OHP films, ceramic tiles and paper sheets. In an attempt to explore the application of CDI 3 in the forensic cases, 2nd level of information was used for distinguishing different fingerprints from different subjects. These disc-like fluorescent red aggregates of CDI 3 were also used for staining of HeLa cells.
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