Ahmed M. El-Naggar received the B.S., and M.S. and Ph. D. degrees from Ain-Shams University, Egypt, in 1980, 1986 and 1992, respectively. He was a predoctoral researcher working on the growth and characterization of hydrogenated amorphous silicon Solar Cells at Technical Clausthal University, Germany (1988-1991). He worked as an assistant professor at Physics department, college of science, Ain-Shams University-Cairo-Egypt (1992-1999). He was a postdoctoral researcher working on the growth and characterization of oxides, III-V semiconductor materials, and opto-electronic devices at North Carolina State University and University of Rochester, USA (1999-2002). He worked as an Associate professor at Physics department, college of science, Ain-Shams University-Cairo-Egypt (2002-2003). He worked as an associate professor at Physics & Astronomy department, King Saud University, Saudi Arabia (2003-2013). He is a professor at Physics and Astronomy dept., King Saud University, Saudi Arabia (2013-Now). He is a member of the renewable energy and environment research group (2003-now). He is a member of the research chair of exploitation of renewable energy applications in Saudi Arabia (2014-now).
areas of expertise
Solar Cells, polymer Nanocomposites, semiconductors, thin films
Nanocomposites films of ZnCo2O4 loaded polyvinyl alcohol (PVA)/polyvinylpyrrolidone (PVP)/ polyethylene glycol (PEG) blended polymer were synthesized as future nanocomposite films to use in…
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Mohamed Bakr Mohamed· A. M. El-naggar· Zein K. Heiba · A. M. Kamal
This work seeks to develop a novel composite polymer comprising polymethylmethacrylate (PMMA), ZnCo2O4/ CdS, tetrabutylammonium iodide (TBAI), and multiwall carbon nanotubes (MWCNTs) for various…
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A. M. El‑naggar, Zein K. Heiba, A. M. Kama, and Mohamed Bakr Mohamed
In the current work, polymethyl methacrylate (PMMA)/ x wt % ZnMoO4 polymers were constructed to utilize in energy storageand radiation shielding fields. The structure, morphological, dielectric…
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Mohamed Bakr Mohamed · A. M. El‑naggar · Zein K. Heiba · A. M. Kamal