S and N co-doped graphene quantum dots (S,N-GQDs) were synthesized.
ZnO nanorods were grown on ITO coated flexible PET substrates.
S,N-GQDs were attached with ZnO nanorods and used as a green sensitizer.
Photosensing properties of S,N-GQD/ZnO and P3HT polymer hybrid device was studied.