Synthesis of Sb2S3 was carried out by electrodeposition of Sb metal on Au-coated fluorine doped tin oxide (FTO) substrates, followed by annealing in excess sulfur atmosphere. An excess of sulfur was employed in order to maintain a sulfur rich atmosphere during the conversion of Sb metal to Sb2S3. X-ray diffraction (XRD) patterns were obtained to evaluate the crystallinity of the Sb2S3 films at different sulfurization temperatures (Figure ). All diffractions were indexed to the orthorhombic phase (JCPDS 00-006-0474) of Sb2S3, though the most intense peaks derived from the substrate. AuSb2 peaks were observed at all sulfurization temperatures indicating alloying of Sb with the Au back contact. For the 300°C sample, the intensity of the AuSb2 peaks was the lowest (Figure ) and the Sb2S3 peaks were the highest (Figure ), indicating that more Sb2S3 was formed at this higher temperature. Raman spectra of the samples were obtained at the different sulfurization temperatures to further confirm their phase purity (Figure ). All films exhibited two strong peaks, one at 285 cm -1 and the other at 305 cm -1 , which are characteristic of Sb-S stretching modes (Ag modes), confirming that the films were phase pure Sb2S3. The surface morphology of the synthesized films was investigated by scanning electron microscopy (SEM). No discernable differences were observed in the morphology of the Sb2S3 films for 240°C and 270°C sulfurization temperatures (Figure and). In contrast, long triangular rod-like grains were observed for the samples sulfurized at 300°C (Figure