Open AccessXRD and UV-Vis Spectroscopic Studies of Lead Tin Sulphide (PbSnS) Thin Films
Author(s) -
John Damisa,
Joseph Onyeka Emegha
Publication year - 2021
Publication title -
trends in sciences
Language(s) - English
Resource type - Journals
ISSN - 2774-0226
DOI - 10.48048/tis.2021.16
Subject(s) - thin film , tin , materials science , band gap , deposition (geology) , crystallite , chemical engineering , analytical chemistry (journal) , nanotechnology , metallurgy , chemistry , optoelectronics , paleontology , sediment , engineering , biology , chromatography
The effects of deposition cycles on the structural and optical properties of lead tin sulphide (PbSnS) thin films have been described. Successive ionic layer adsorption and reaction (SILAR) method was used to deposit the ternary material on soda-lime substrates. In the present work, the PbSnS films were grown using lead nitrate, tin chloride dehydrate and thioacetamide solutions as sources of Pb, Sn and S, respectively. XRD measurements revealed that the deposited films were polycrystalline in nature with strong adherent to the substrates. The transmittance was found to be high in the near infrared regions of the electromagnetic radiation and, also increased with deposition cycles. The band gap energy was found to vary from 1.70 to 1.75 eV for 10 and 35 deposition cycles. The study indicates that SILAR is an excellent method in depositing good quality films for device applications.HIGHLIGHTSSILAR is an excellent technique for depositing thin films of lead tin sulphide (PbSnS)Deposition cycles influences the XRD and optical properties of PbSnS thin filmsPbSnS thin films are useful for solar cell fabricationsThe band gaps of the PbSnS varies from 1.70 to 1.75 eV with deposition cycles