Mohammed A. Amin

Mohammed A. Amin
Taif University · Department of Chemistry

Prof.
https://scholar.google.com/citations?hl=en&user=YPD_h4oAAAAJ&view_op=list_works&sortby=pubdate

About

273
Publications
59,644
Reads
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6,967
Citations
Citations since 2017
157 Research Items
3804 Citations
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201720182019202020212022202302004006008001,0001,200
201720182019202020212022202302004006008001,0001,200
Introduction
- B.Sc. (1992), M.Sc. (1996), Ph.D (2000) - Lecturer (2000-2006) - Assoc. Prof. (2006-2014) - Full Prof. (April 2014) - Major fields of interest: Corrosion, Surface nanostructuring, Electrocatalysis. - Present: Taif Univ., KSA - Permanent: Ain Shams Univ., Cairo, Egypt. - Awards: National Encourage Prize (2006) - Prof. Dr. Ibrahim Ammar Prize in Corrosion (2008) - TWAS Prize (2009) - Google Scholar Citation Prize (Taif Univ.: 2011-2014) - Distinguishable Researcher (Taif Univ.: 2012).
Additional affiliations
April 2014 - October 2014
Taif University
Position
  • Professor (Full)
Description
  • Materials and Corrosion
September 1992 - present
Ain Shams University
Position
  • Professor (Full)

Publications

Publications (273)
Article
Reduced graphene oxide (rGO) nanosheets decorated with gold nanoparticles (Au NPs/rGO), palladium nanoparticles (Pd NPs/rGO), and gold-palladium bimetallic nanoparticles (Au-Pd NPs)/rGO are synthesized by a simple solution chemistry approach using ascorbic acid as ecofriendly reducing agent. These materials are characterized by high resolution tran...
Article
In this paper we demonstrated, for the first time, aluminum-titania nanoparticles (Al-TiO2 NPs) composites with variable amounts of TiO2 NPs as non-precious active catalysts for the electrochemical generation of hydrogen. These materials were synthesized by mixing desired amounts of hydrogen titanate nanotubes (TNTs), fabricated here by a cost-effe...
Article
Self-supported electrocatalysts are a new class of materials exhibiting high catalytic performance for various electrochemical processes and can be directly equipped in energy conversion devices. We present here, for the first time, sparse Au NPs self-supported on etched Ti (nanocarved Ti substrate self-supported with TiH2) as promising catalysts f...
Article
Non-noble metal electrocatalysts have recently witnessed increasing attention for the hydrogen evolution reaction (HER) in acidic electrolytes. However, in alkaline electrolytes, the slow kinetics of water splitting leads to poor HER activities. In this study, we describe the preparation of a hybrid material consisting of cobalt oxide (CoO) decorat...
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Orthorhombic oxide perovskite compounds are very promising materials for the applications of optoelectronics and thermal barrier coating. This work represents a numerical simulation of YBO3 compounds through the first-principles ab initio approach. The electronic and magnetic properties are investigated employing the general gradient approximation...
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Prediction of new materials is crucial for the advancement of technology. Here, in this research work, the first-principle computation has been conducted utilizing the WIEN2K package to probe the structural, electronic, mechanical, and optical properties of barium-based chloroperovskites BaMCl3 (M = Ag, Cu) compounds. The optimized lattice constant...
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Owing to remarkable stability, environmental friendliness, and excellent performance, lead-free double perovskites (DPs) are emerging materials for use as energy harvesting systems and thermoelectric generators. Herein, the optical, electronic, and thermoelectric characteristics of Rb2AgAsX6 (X = Cl, Br, I) are studied by first principle approach....
Article
Electrocatalytic water splitting to produce hydrogen (H2) is a sustainable way of meeting energy demands at no environmental cost. However, the sluggish anodic reaction imposes a considerable overpotential requirement. By contrast, the electrocatalytic urea oxidation reaction offers the prospect of energy-saving H2 production together with urea-ric...
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Air particulate matter with a diameter of 2.5 µm (PM2.5) were assembled for a whole year from the historical Jeddah district. Additional PM2.5 aerosols were collected during the autumn and winter seasons from another newly constructed district in Jeddah city (Alnaeem). The annual concentration of the total mass of the PM2.5 aerosols from the histor...
Article
The double perovskites (DPs) halides are outstanding materials for solar cells and thermoelectric applications. Therefore, here we have studied the electronic, optoelectronic, and thermoelectric properties of Rb2CuSbX6 (X = Cl, Br, I) by density functional theory. Thermodynamic and structural stabilities are validated by evaluating the enthalpy of...
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The development of high-performance and cost-effective hydrogen evolution reaction (HER) and oxygen evolution reaction (OER) electrocatalysts is highly required for electro-chemical water splitting. The sluggish reaction kinetics, poor stability, and complicated processing restrict the practical application of most electrocatalysts. Herein, we repo...
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Half-metallic ferromagnets (HMF) are one of the most essential materials for spintronics. The electronic, magnetic, optical and transport properties of hexagonal XFeSe2 (X = Li, Na and K) compounds have been investigated by Wien2K code. The Heisenberg classical model has been used to determine spin polarization. The ferromagnetism is confirmed by t...
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Recently, the growing demand for a renewable and sustainable fuel alternative is contingent on fuel cell technologies. Even though it is regarded as an environmentally sustainable method of generating fuel for immediate concerns, it must be enhanced to make it extraordinarily affordable, and environmentally sustainable. Hydrogen (H2) synthesis by e...
Article
The double perovskites became appealing over time for solar cells and optoelectronic applications due to their extraordinary optical and transport properties. Here, we investigate the optical and thermoelectric behavior of a newly developed perovskite X2AgBiI6 (X = K, Rb, Cs) DPs. To ensure structural stability, the computed tolerance factor falls...
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The double perovskite materials are exceptional for energy applications due to their non-toxic, efficient, and eco-friendly nature. Here, we comprehensively addressed the electronic, optical, and thermoelectric characteristics of double perovskites Tl2PtX6 (X = Cl, Br, I). The tolerance factor and formation energy, an important criterion for the ex...
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Herein, we reported a unique photo device consisting of monolayer graphene and a few-layer rhenium diselenide (ReSe2) heterojunction. The prepared Gr/ReSe2-HS demonstrated an excellent mobility of 380 cm2/Vs, current on/off ratio ~ 104, photoresponsivity (R ~ 74 A W−1 @ 82 mW cm−2), detectivity (D* ~ 1.25 × 1011 Jones), external quantum efficiency...
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1,3,4-Thiadiazole molecules (1-4) were synthesized by the reaction of phenylthiosemicarbazide and methoxy cinnamic acid molecules in the presence of phosphorus oxychloride, and characterized with UV, FT-IR, 13C-NMR, and 1H-NMR methods. DFT calculations (b3lyp/6-311++G(d,p)) were performed to investigate the structures' geometry and physiochemical p...
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Magnesium-based spinel chalcogenides are remarkable materials for spintronic and energy harvesting applications. Therefore, the electronic, ferromagnetism, and thermoelectric characteristics of MgFe2(S/Se)4 spinels are addressed comprehensively by modified Becke Johnson potential (TB-mBJ). The stability of cubic phase has been illustrated by format...
Article
Due to a growing number of significant vitality and environmental issues, the standardized variation of carbon nitride (CN) for visible-light photocatalytic water splitting is an encouraging scientific topic. By revealing this, the functionalized monomer 2,6-dibromobenzimidazole (BI) was successfully embedded within the heptazine units of CN via a...
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The increasing demand for searching highly efficient and robust technologies in the context of sustainable energy production totally rely onto the cost‐effective energy efficient production technologies. Solar power technology in this regard will perceived to be extensively employed in a variety of ways in the future ahead, in terms of the combusti...
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Novel cyano-benzylidene xanthene derivatives were synthesized using one-pot and condensation reactions. A diprotic Brønsted acid (i.e., oxalic acid) was used as an effective catalyst for the promotion of the synthesis process of the new starting xanthene–aldehyde compound. Different xanthene concentrations (ca. 0.1–2.0 mM) were applied as corrosion...
Article
Integrating hollow structures and ordered mesopores in carbon materials is critical for electrochemical devices to facilitate fast ion-transport pathways and large ion-accessible surface areas. In this work, a self-templating method is used to prepare hollow ordered mesoporous carbon (HOMC) materials by self-assembling resol-F127 composite micelles...
Article
Electrochemical water splitting requires efficient electrocatalysts to accelerate the sluggish kinetics of the oxygen evolution reaction (OER). A promising nanoporous W-doped oxygen vacancy-containing NiFe layered double hydroxides (NiFeW-LDHs) electrocatalyst is directly grown on nickel foam via electrodeposition combined with chemical corrosion....
Article
Use of MXenes (Ti3C2Tx), which belongs to the family of two‐dimensional transition metal nitrides and carbides by encompassing unique combination of metallic conductivity and hydrophilicity, is receiving tremendous attention, since its discovery as energy material in 2011. Owing to its precursor selective chemical etching, and unique intrinsic char...
Article
A single wearable device that seamlessly integrates all desirable functions is in urgent demand. However, the reported approaches to design such a device can only integrate two or three functions as a compromise owing to the mutual restraint between seemingly unrelated functions. In this study, using a ‘one-stone-five-birds’ strategy, an all-in-one...
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Vacancy-ordered double perovskites have been studied vastly for energy applications for the last few decades. In this article, we have investigated the optical and thermoelectric characteristics of Ga2TiX6 (X = Cl, Br, I). The phonons dispersions, formation energy, and tolerance factors reveal dynamic and structural stabilities. The predicted band...
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Semiconductor-based photocatalytic technology is regarded as an efficient pathway for resolving the energy scarcity across the globe. In this regard, graphitic carbon nitride (g- C3N4)-based materials could be alternatively employed in photochemical applications such as photovoltaic energy generation via CO2 photoreduction and water splitting, alon...
Article
The development of copolymerized carbon nitride (CN)-based photocatalysts may support advances in photocatalytic overall water splitting. However, the recombination of charge carriers is the main bottleneck that reduces its overall photocatalytic activity. To overcome this problem, the construction of heterojunction technology has emerged as an eff...
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Controlling the morphology, composition, and crystalline phase of mesoporous nonnoble metal catalysts is essential for improving their performance. Herein, well‐defined P‐ and B‐codoped NiFe alloy mesoporous nanospheres (NiFeB‐P MNs) with an adjustable Ni/Fe ratio and large mesopores (11 nm) are synthesized via soft‐template‐based chemical reductio...
Article
The double perovskites have emerging optical properties and extensively studied solar cells and renewable energy. In this work, we have investigated the optical, electronic and transport properties of Cs2KTlX6 (X = Cl, Br, I) using density functional theory. The thermodynamic stability is determined from the calculation of enthalpy of formation and...
Article
A new complex, [Ni(Tren)(Barb)(H2O)](Barb)(Barb-H)·2H2O (NiC) {Tren = tris(2-aminoethyl)amine and Barb = 5,5-diethlybarbiturate}, has been synthesized and characterized. The nickel(II) complex was grafted to g-C3N4, forming NiC@g-C3N4. The obtained NiC complex and its hybrid material NiC@g-C3N4 were characterized by FT-IR, TGA-DSC, UV–vis, SEM-EDX,...
Article
The end-of-life management of a large number of discarded lithium-ion batteries (LiBs) has become a global issue because of the steady increase in their usage every year. In this study, a novel membrane-integrated hybrid system was developed for recycling commercially valuable metals while treating acidic leach liquor obtained from spent LiBs (most...
Article
The double perovskites are promising materials for renewable energy to fulfil the challenges of energy requirements in the world. Therefore, in this article, the optical, thermoelectric, thermodynamic, and mechanical properties of Cs2AgBiX6 (X = Cl, Br) are addressed comprehensively by the DFT approach. The stabilities regarding structure, and ther...
Article
The structural alteration of carbon nitride (CN) for photocatalytic CO2 reduction is a promising research topic in environmental and energy sectors. This work discusses the fabrication of photocatalyst through a heterojunction architecture, obtained from the molecular engineering of electron-rich organic monomer 2,6-pyridinedicarboxylic acid (PDA)...
Article
In recent years, the most appealing way to harvest solar energy via cost-effective, renewable, clean and sustainable technology is the artificial photocatalysis which has drawn multidisciplinary attention to mitigate the upcoming energy disaster and environ- mental issues in the arena of sustainable development of society. For this purpose, sig- nifi...
Article
A zinc(II) complex of polypyazole containing ligand namely, [Tp*ZnCl] (Zn1) {Tp* = tris(3,5-dimethylpyrazolyl)borate}, along with its zinc(II) bound hydroxo complex [Tp*Zn–OH] (Zn2) were synthesized and characterized by FT-IR, Raman, 1H NMR techniques and elemental analysis. In alkaline solution (0.1 M KOH), the Zn2 modified glassy carbon (GC), nam...
Article
Here, we have studied synthesis and characterization (structural, morphological, and electrochemical) of pure and Al-Zr dual-doped Li-rich LiCoO2 (LCO) cathode materials for lithium-ion batteries (LIBs). A solution-based hydrothermal approach was utilized to synthesize the “Li[Li0.1Co0.9−x-yZrxAly]O2” and others. The desired phase of Li-rich LCO wa...
Article
Artificial photosynthesis via photocatalytic CO2 reduction to transform CO2 into C1/C2 hydrocarbon fuels represents a fundamental solution to energy shortage and global warming. The main challenges in this process are the low CO2 adsorption and activation stability and low utilization rate of the charge carriers. Two-dimensional transition metal ca...
Article
Well-organized water splitting semiconducting photocatalyst is an important concept, but stimulating aimed at decisive energy and environmental emergencies. In this context, visible light-based photocatalytic water splitting with low-dimensional semiconducting materials is proposed to produce sustainable energy. Here we optimized the sequential of...
Article
The integration of nanoarchitectonics and hydrogel into conventional biosensing platforms offers the opportunities to design physically and chemically controlled and optimized soft structures with superior biocompatibility, better immobilization of biomolecules, and specific and sensitive biosensor design. The physical and chemical properties of 3D...
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Using a macroemulsion-assisted solvothermal method, the present study produces holey ZnO nanosheets exhibiting a hexagonal wurtzite crystal structure. In the synthetic process, urea is employed as a hydrolyzing agent. Its addition significantly affects the resulting ZnO products' crystal structure, morphology, textural, and optical properties. Diff...
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Correction for ‘Electrocatalytic hydrogen generation using tripod containing pyrazolylborate-based copper( ii ), nickel( ii ), and iron( iii ) complexes loaded on a glassy carbon electrode’ by Mohamed M. Ibrahim et al. , RSC Adv. , 2022, 12 , 8030–8042, https://doi.org/10.1039/D1RA08530A.
Article
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Fly ash (FA) is a waste product generated in huge amounts by coal-fired electric and steam-generating plants. As a result, the use of FA alone or in conjunction with other materials is an intriguing study topic worth exploring. Herein, we used FA waste in conjunction with titanium oxide (TiO2) to create (FA-TiO2) nanocomposites. For the first time,...
Article
The control of spin degree of freedom in electronics open new horizons to manipulate, transfer, and storage data at fasters speed. For this the structural, electronic, and magnetic characteristics of BaCr2X4 (X = S, Se, Te) spinels are addressed comprehensively. The more energy release in ferromagnetic states than antiferromagnetic states, and form...
Article
In³⁺ incorporated lithium ferrites have been synthesized via sol-gel auto-ignition route, and these were characterized by X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), and vibrating sample magnetometer (VSM). Thermal analysis of pure sample shows 12% weight loss in three successive steps observed by Thermogravimetric anal...
Article
The double perovskites (DPs) have recently been realized as emerging materials in the field of optoelectronics owing to their remarkable and diverse electronic, optical, thermoelectric, and mechanical properties. Herein, we have comprehensively investigated some of the narrow bandgap DPs for instance; Ba2InBiO6, Ba2TlSbO6, and Sr2TlBiO6 based on DF...
Article
Carbon nitride (CN) is regarded as an excellent metal-free semiconductor known for its potential solar fuel generation and pollutant degradation. In this study, a carbon richer substance, (5,8-dibromoisoquinoline (BQ)) was used to feed its catalytic function through conventional copolymerization (molecular doping) process at 550°C under a nitrogen...
Article
The electronic, magnetic, and thermoelectric properties of CaZ2S4 (Z = Ti, V, Cr, Fe) are explored comprehensively. The stability in the ferromagnetic state (FM) has been ensured by energy released from optimized structures and enthalpy of formation (ΔH). The Heisenberg classical model has been used to calculate Curie temperature (Tc). The band str...
Article
Mn-based oxides are efficient pseudocapacitive electrode materials and have been investigated for capacitive deionization (CDI). However, their poor conductivity seriously affects their desalination performance. In this work, polyaniline coated Mn2O3 nanorods (PANI/Mn2O3) are synthesized by oxidizing a Mn-based metal organic framework (MOF) and sub...
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Nowadays double perovskites for renewable energy are emerging materials because of their interesting properties such as simple and stable crystal structure. In our study, we theoretically explored the optoelectronic along with mechanical and thermoelectric characteristics of X2InSbO6 (X = Sr, Ba) using density functional theory followed by Wein2k c...
Article
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Three mononuclear 2-picolylamine-containing zinc(III) complexes viz [(2-PA)2ZnCl]2(ZnCl4)] (Zn1), [(2-PA)2Zn(H2O)](NO3)2] (Zn2) and [Zn(2-PA)2(OH)]NO3] (Zn3) were synthesized and fully characterized. Spectral and X-ray structural characteristics showed that the Zn1 complex has a square-pyramidal coordination environment around a zinc(II) core. The...
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This study aims to design a new nanocomposite as a supporting material for wiring the enzyme to develop a bioanode in the enzymatic biofuel cell (EBFC). In this work, polyaniline-based nanocomposite was synthesized by in situ polymerization of aniline monomer. The zeta potential study of the nanofillers was carried out, which reveals the interactio...
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Three transition metal complexes (MC) namely, [Tp MeMe CuCl(H 2 O)] (CuC), [Tp MeMe NiCl] (NiC), and [Tp MeMe FeCl 2 (H 2 O)] (FeC) {Tp MeMe = tris(3,5-dimethylpyrazolyl)borate} were synthesized and structurally characterized.
Article
Carob waste (CW) is an agro-biomass material abundant in nature with potential use for eco-friendly remediation. However, like many biomass-based adsorbents, it suffers from its low adsorption capacity for organic/inorganic pollutants. Therefore, modification using physical and/or chemical means is commonly applied to improve the adsorptive propert...
Article
We confirmed a specific copolymerization (molecular doping) method for the covalent integration of 2,4-dihydroxyoxazole (DHO) monomer within the framework of carbon nitride (CN). The obtained composites xCN/DHO reveal a sophisticated dual-phase photocatalytic activity, which can effectively reduce and oxidize the CO2 and NO2 sources in an aqueous s...
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In this study, a high-density ZrN/ZrSi2 composite reinforced with ZrO2 as an inert phase was synthesized under vacuum starting with a Zr-Si4N3-ZrO2 blend using combustion-synthesis methodology accompanied by compaction. The effects of ZrO2 additions (10–30 wt%) and compression loads (117–327 MPa) on the microstructure, porosity and hardness of the...
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This work reports the rational design of MnO x nanorods on 3D crushed reduced graphene oxide (MnO x /C-rGO) by chemical reduction of Ni-incorporated graphene oxide (GO) followed by chemical etching to remove Ni. The resulting MnO x /C-rGO composite synergistically integrates the electronic properties and geometry structure of MnO x and 3D C-rGO. As...
Article
Recently, the graphite based heterogeneous photocatalysts has attained tremendous research attention in various environmental applications. Among them, the graphitic carbon nitride (g-C3N4) is categorized as a unique solar active particle with its outstanding intrinsic properties i.e., adequate band configuration, excellent light absorptivity and t...
Article
The ligand potassium hydrotris(N- (2,6-xylyl)-2-thioimidazolyl)borate (KTtxylyl) was utilized to construct a carbon paste modified electrode (KTtxylyl/CPE), which was studied using electrochemical impedance spectroscopy, cyclic voltammetry and square wave voltammetry (SWV). Its electrochemical response was investigated, and it demonstrated a signif...
Article
The widespread distribution of organic and inorganic pollutants in water resources have increased due to rapid industrialization. Rhizospheric zone-associated bacteria along with endophytic bacteria show a significant role in remediation of various pollutants. Metaomics technologies are gaining an advantage over traditional methods because of their...
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A simple, accurate and fast method was developed for the assessment of 3-nitrotyrosine as a biomarker for the early diagnosis of liver cirrhosis with minimal hepatic encephalopathy (MHE) using a (Eu(TTA)3Phen) photo probe. 3-Nitrotyrosine can remarkably quench the luminescence intensity of the (Eu(TTA)3Phen) complex in DMSO at pH = 9 and λem = 617...
Article
The charge and spin degrees of freedom of electrons employed together introduce a new field of electronics, known as spintronics, which has multifunctional applications in data storage, control, and transfer in supercomputing. In this perspective, we have comprehensively investigated cubic double perovskites Rb2Z(Cl/Br)6 (Z = Ta, W, Re). More preci...
Article
The impact of Ni²⁺ and Zr⁴⁺ on the physical properties of LiFe2O4 ferrites is investigated and synthesized via the microemulsion technique. X-ray diffraction pattern of pure and substituted lithium ferrites exhibited spinel structure. The constant lattice increases with increasing dopants concentration up to x = 0.2 and decreases for higher x. The...