@article{a6df12c56f1540888e88c3e2996a912e,
title = "Investigation of the Structural, Optical and Electrical Properties of Cu3BiS3 Semiconducting Thin Films",
abstract = "The elemental composition, structural, optical and electronic properties of p-type Cu3BiS3 thin films are investigated. The films are shown to be single phase orthorhombic, with a measured composition of Cu3.00Bi0.92S3.02. A surface oxidation layer is also clarified using energy dependent X-ray microanalysis. Photoreflectance spectra demonstrate two band gaps (EgX =1.24 eV and EgY =1.53 eV at 4 K) associated with the X and Y valence sub-bands. The photocurrent excitation measurements suggest a direct allowed nature of EgX. Photoluminescence spectra at 5 K reveal two broad emission bands at 0.84 and 0.99 eV quenching with an activation energy of 40 meV.",
keywords = "Cu3BiS3, thin films, solar cells, raman spectroscopy, photoluminescence, photoreflectance",
author = "Yakushev, {Michael V.} and Pietro Maiello and Taavi Raadik and Martin Shaw and Paul Edwards and J{\"u}ri Krustok and Alexandre Mudryi and Ian Forbes and Robert Martin",
note = "Funding information: This work was supported by the EPSRC (SUPERGE N II “PV21”, EP/F029624/2 and EP/H5 0009X/1), BCFR (F13IC-018), the US Civilian Research & Development Foundation (CRDF Global) and the Ural Branch of RAS (RUE2-7105-EK-13), RFBR (14-02-00080, 13-03-96032, 12-U3-1006), Estonian Science Foundation Grant G9369.",
year = "2014",
month = dec,
day = "25",
doi = "10.1016/j.egypro.2014.12.359",
language = "English",
volume = "60",
pages = "166--172",
journal = "Energy Procedia",
issn = "1876-6102",
publisher = "Elsevier",
}