My STORY…..
11 years in lab….
Imagine how to survive for years under a pile of journals, the smell of chemicals and several times of experimental trials in the lab…….BE #patient & #passion
Credit photo from: https://www.pinterest.com/pin/557039047638641625/
2008-2011
Synthesis ZnO nanoparticles for PEC
The ZnO nanoparticles powders were synthesized by sol-gel centrifugation process at various pH. ZnO synthesized at pH 9 had the maximum crystallite size (25.36 nm). The average particles diameter sizes were 49.98 nm and 48.1 nm, respectively, measured from field emission scanning electron microscope and transmission electron microscope analysis. The lattice spacing is 5.900 Å between adjacent lattice planes. The average particle size affects the Fourier transform infrared peaks shift. The ZnO pH 9 had good optical properties with band gap energy of 3.31 eV.
2008-2011
Preparation GPE for PEC
The GPE was prepared by dissolving agar powder in glycerol. Various concentrations of ammonium iodide and iodine were added to the agar paste until an optimum conductivity was reached. The optimum conductivity of (2.64 ± 0.19) x 10-3 S cm-1 was obtained from a sample of agar paste with 1.0 M NH4I and 0.2 μM I2 (A1.0N0.2I). The A1.0N0.2I had the lowest viscosity values of (1.17 ± 0.29) Pa s. All GPEs showed Arrhenius behavior with the lowest activation energy value of 0.25 eV for A1.0N0.2I. A1.0N0.2I also showed good physical appearance.
2008-2011
Fabrication of PEC
The fabrication of ITO-ZnO (N719 dye)/A1.0N0.2I GPE/ ITO PEC had the open circuit voltage = 1.38 V, (VOC) short circuit current density = 7.5 mA cm-2, fill factor = 0.18 of and overall conversion efficiency percentage = 1.9 % under illumination of 100 mW cm-2.
2019-now
Synthesis nanomaterials & structural analysis
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2012-2016
Porous membrane for proton batteries
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2017-2019
Membrane for water treatment
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