XPS and optical studies of different morphologies of ZnO nanostructures ...
2013年4月1日 · XPS results indicated that Zn 2p lines in ZnO nanorods have highest binding energy. Also, the optical properties of three morphologies of ZnO nanostructures were analyzed and confirmed that crystallites of bigger sizes have smallest value of energy band gap.
XPS spectra of O 1s of various morphologies of ZnO (a) …
Zinc oxide (ZnO) nanorods and ZnO nanostructures composited with silver (Ag) and multi-walled carbon nanotubes (MWCNTs) have been synthesized by a simple impregnation–calcination method and...
(a) XPS survey spectrum of ZnO nanoparticles. (b). XPS core level …
XPS survey spectrum establishes that zinc and oxygen are the main constituents and prepared nanoparticles are absolutely free from extraneous impurity.
Visible and UV photo-detection in ZnO nanostructured thin …
2017年11月8日 · Emission/absorption in the UV and visible-region by ZnO nanostructures were investigated via analyzing defects states (vacancies, interstitials and antisite) in the studies conducted by PL and...
XPS spectra of ZnO and Ag-ZnO nanostructures.
Zinc oxide (ZnO) nanorods and ZnO nanostructures composited with silver (Ag) and multi-walled carbon nanotubes (MWCNTs) have been synthesized by a simple impregnation–calcination method and have...
Effect of thickness and reaction media on properties of ZnO thin …
2022年1月17日 · XPS spectra of ZnO thin films were examined to confirm the chemical composition and energy state of the related elements. XPS survey of films indicates existence of Zn, O and C elements (see...
XPS and optical studies of different morphologies of ZnO …
2013年4月1日 · X-ray photoelectron spectroscopy (XPS) indicated that the O1s peak consist of three components: O1 (ZnO), O2 (deficient oxygen; OH groups) and O3 (adsorbed species) centred at 530.3, 531.2 and 532.6 eV, respectively.
In recent years, the synthesis and modification of nanosized ZnO have been the object of comprehensive studies due to the wide range of possible applications in gas sensors, photocatalysts, chemical absorbents, solar cells, electrical and optical devices.
Interpretation of Oxygen 1s X-ray Photoelectron Spectroscopy of ZnO
This work employs full-potential density functional theory to calculate the binding energies of the O 1s electrons under two- and three-dimensional periodic boundary conditions as a probe of expected XPS spectra. ZnO is used as an example system.
Strong correlation between optical properties and mechanism …
2019年1月29日 · The Zn 2p in XPS spectrum for ZnO annealed at 1–10 sccm oxygen flow rate followed by annealing in vacuum shows a gradual modification of surface from rich Zn to stoichiometric ZnO.