Modification of photosensing property of CdS-Bi2S3 bi-layer by thermal annealing and swift heavy ion irradiation

Schematic illustration of CdS-Bi2S3 bi-layer thin film (a) As-deposited (b) Annealed (c) irradiated sample respectively (d) Model of bi-layer photosensor device (e) Graph of illumination intensity verses photosensitivity.185