Fig. 4
From: Vapor transport deposition of antimony selenide thin film solar cells with 7.6% efficiency

Characterization of Sb2Se3 films and interface analysis of CdS/Sb2Se3 devices. SEM top-view images of a VTD-fabricated and b RTE-fabricated Sb2Se3 films. c Histogram of grain size in VTD-fabricated and RTE-fabricated Sb2Se3 films. Cross-sectional SEM images of d VTD-fabricated and e RTE-fabricated CdS/Sb2Se3 devices. f XRD of VTD-fabricated and RTE-fabricated Sb2Se3 films. SIMS depth analysis of g VTD-fabricated and h RTE-fabricated devices. i C-V profiling and DLCP for VTD- and RTE-fabricated devices