Hybrid solar cells using CdS thin films deposited via spray pyrolysis technique

• Hybrid solar cells were fabricated using CdS and poly(3-hexyl)thiophene.
• CdS thin films were grown by spray pyrolysis technique.
• The best cell performance was achieved for the 100 nm thick CdS films.
• The highest short circuit current was measured as 1.54 mAcm− 2 for the best cell.

The paper presents the photovoltaic performance of hybrid solar cells comprising of thin films of cadmium sulphide and poly(3-hexyl)thiophene. Cadmium sulphide thin films were deposited using spray pyrolysis technique. Current-voltage characterizations were performed for cadmium sulphide/poly(3-hexyl)thiophene heterojunctions in dark and under illumination (100 mWcm− 2). The best device yields a short circuit current density of 1.54 mA/cm2, an open circuit voltage of 343 mV, and a power conversion efficiency of 0.15%.