Fig. 2: Characterizations of Sb2S3 films.
From: Revealing composition and structure dependent deep-level defect in antimony trisulfide photovoltaics

a, b Surface SEM images of Sb-rich and S-rich Sb2S3 films. c, d XRD patterns and Raman spectroscopy of Sb-rich and S-rich Sb2S3 films. e, f Sb 3d and S 2p XPS spectra of Sb-rich and S-rich Sb2S3.