title: Influence of Sn doping on structural and optical properties of zinc oxide nanorods prepared via hydrothermal process.
abstract: Hydrothermally grown ZnO nanorods were doped with various concentrations of Sn, ranging from 0 to 2.5 at%. Scanning electron microscopy (SEM), X-ray diffractometer (XRD), ultraviolet (UV)-visible spectroscopy, and Photoluminescence (PL) measurements were used to determine the effect of Sn doping on the structural and optical properties. In the SEM images, the nanorods have hexagonal wurtzite structure and the diameter of the nanorods increases with an increase in the Sn content. The optical parameters of the Sn-doped ZnO (SZO) nanorods such as the absorption coefficients, optical bandgaps, Urbach energies, refractive indices, dispersion parameters, dielectric constants, and optical conductivities were determined from the transmittance and reflectance results. In the PL spectra, the intensity of the NBE peak in the UV region decreases and is blue-shifted with an increase in the Sn content, while the DLE peaks of the nanorods in the visible region shift toward the low-energy region with the introduction of Sn.
authors.forename: Hyunggil
authors.initials: H
authors.lastname: Park
authors.forename: Younggyu
authors.initials: Y
authors.lastname: Kim
authors.forename: Iksoo
authors.initials: I
authors.lastname: Ji
authors.forename: Hyonkwang
authors.initials: H
authors.lastname: Choi
authors.forename: Sang-heon
authors.initials: SH
authors.lastname: Lee
authors.forename: Jong Su
authors.initials: JS
authors.lastname: Kim
authors.forename: Jin Soo
authors.initials: JS
authors.lastname: Kim
authors.forename: Jae-Young
authors.initials: JY
authors.lastname: Leem
mesh_terms: D049408:Luminescent Agents / Q000737:chemistry*; D043942:Nanotubes / Q000737:chemistry*; D012031:Refractometry; D014001:Tin / Q000737:chemistry*; D014961:X-Ray Diffraction; D015034:Zinc Oxide / Q000737:chemistry*
chemical_list: D049408:Luminescent Agents; D014001:Tin; D015034:Zinc Oxide