Salim, E., Awayiz, M., Fakhri, M., Qaeed, M., Gopinath, S. (2024). A study on quantum-sized Ag2O nanostructures: the effect of chemical interaction time before deposition using the CBD method. , 42(10), 1277-1289. doi: 10.30684/etj.2024.150834.1771
Evan T. Salim; Muntadher T. Awayiz; Makram A. Fakhri; Motahher A. Qaeed; Subash C. B. Gopinath. "A study on quantum-sized Ag2O nanostructures: the effect of chemical interaction time before deposition using the CBD method". , 42, 10, 2024, 1277-1289. doi: 10.30684/etj.2024.150834.1771
Salim, E., Awayiz, M., Fakhri, M., Qaeed, M., Gopinath, S. (2024). 'A study on quantum-sized Ag2O nanostructures: the effect of chemical interaction time before deposition using the CBD method', , 42(10), pp. 1277-1289. doi: 10.30684/etj.2024.150834.1771
Salim, E., Awayiz, M., Fakhri, M., Qaeed, M., Gopinath, S. A study on quantum-sized Ag2O nanostructures: the effect of chemical interaction time before deposition using the CBD method. , 2024; 42(10): 1277-1289. doi: 10.30684/etj.2024.150834.1771

A study on quantum-sized Ag2O nanostructures: the effect of chemical interaction time before deposition using the CBD method

Engineering and Technology Journal
Volume 42, Issue 10, October 2024, Pages 1277-1289    PDF (1.85 M)
Document Type: Research Paper
DOI: 10.30684/etj.2024.150834.1771
Authors
Evan T. Salim* 1; Muntadher T. Awayiz1; Makram A. Fakhri2; Motahher A. Qaeed3; Subash C. B. Gopinath4
1Applied Science Dept., University of Technology-Iraq, Alsina’a street, 10066 Baghdad, Iraq.
2Laser and Optoelectronic Engineering Dept., University of Technology-Iraq, Alsina’a street, 10066 Baghdad, Iraq.
3Department of Physical Science, Faculty of Science, University of Jeddah, Jeddah, SAUDI ARABIA.
41- Center for Global Health Research, Saveetha Medical College & Hospital, Saveetha Institute of Medical and Technical Sciences (SIMATS), Thandalam, Chennai – 602 105, Tamil Nadu, India. 2- Faculty of Chemical Engineering & Technology, Universiti Malaysia Perlis (UniMAP), 02600 Arau, Perlis, Malaysia. 3- Department of Technical Sciences, Western Caspian University, Baku AZ 1075, Azerbaijan.
Abstract
Ag2O quantum dots highly versatile promising a wide range of applications from energy conversion to biomedicine making them an important area of research and development in nanotechnology. The tunibilty of the bandgab, make them highly suitable for optoelectronics device, LED, solar cell, were the band gab can be adjested by controlling the size of nanoparticles leading to different light absorbtion and emission properties. In this work, uniform and smooth quantum-sized silver oxide (Ag2O) nano-films were chemically prepared on a glass substrate using chemical bath deposition method. The study investigated the impact of interaction time before the deposition process, where the effect of three priod of time (0.5, 1 and 1.5) hrs on physical properties  have been invistigated. Structural analysis confirmed the cubic silver oxide (Ag2O) structure, corresponding to the primary diffraction plane (002). The optical results discuss the time dependency of the optical band gap, revealing an energy band gap of approximately 2.25 eV. The electrical conductivity initially shows an inverse relationship with time but increases after a certain point. Additional investigations were conducted on other properties, including electrical characteristics, Atomic Force Microscopy (AFM), and Scanning Electron Microscopy (SEM).

Highlights
  • Smooth Ag2O nanostructures were prepared using the CBD method.
  • Interaction time affects optical band gap and particle size.
  • The optimal band gap achieved was about 2.25 eV.
  • Electrical conductivity varies inversely with interaction time initially.
  • SEM and AFM analyses confirm uniform film characteristics.
Keywords
Ag2O; Nano thin films; Chemical bath deposition (CBD); Physical characteristics; Chemical interaction time
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