Ligand free surface of CdS nanoparticles enhances the energy transfer efficiency on interacting with Eosin Y dye - Helping in the sensing of very low level of chlorpyrifos in water

The above figure shows the absorption spectra of Eosin Y dye (a) and emission spectra of CdS nanocrystals (b) and their well spectral overlap show that they form a good FRET pair.198