About
948
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Introduction
Dr. Abdullah G. Al-Sehemi is a . He received his PhD from the University of Leicester, UK. He was Member of the Saudi Consultative Council and was the Dean of Scientific Research and director of (RCAMS). He is an author of over 800 publications, co-inventor of several patents and the editor of 8 books. He is working experimentally and computationally in the field of advanced functional materials, stereochemistry and drug design.
Current institution
Additional affiliations
January 2008 - present
January 2008 - present
Position
- Professor Organic and computational chemistry
Description
- Dr. Al-Sehemi, Professor in the department of Chemistry, He Published a number of papers and is author of a series books. He is working experimentally and computationally in the field of advanced functional materials, nanomaterials and drug design.
October 2000 - present
Publications
Publications (948)
Renewable energy, especially solar energy is extremely demandable to mitigate the current global issues (e.g., climate change) owing to less carbon dioxide-intensive, stable, continually accessible in nature etc. Therefore, third generation solar cells such as Dye-sensitized solar cells (DSSCs) have attracted global attention to the researchers in...
Retraction of ‘In situ fabrication of lanthanum-doped nickel oxide nanostructures using sol–gel for the degradation of rhodamine B’ by Furqan Ali et al., RSC Adv., 2024, 14, 4406–4415, https://doi.org/10.1039/D3RA08311J.
The atmosphere has been burdened by the augmented release of greenhouse gases, leading to the unfortunate consequences of global warming due to the combustion of fossil fuels. Consequently, the realms of energy have directed their attention toward sustainable alternatives like hydro energy in order to generate electricity. Methods for storing energ...
To achieve optimal control over the electrochemical water splitting (EWS) process, it is essential to produce electrocatalysts that should be highly efficient. These catalysts play important roles in reducing the energy barrier and accelerating oxygen evolution reaction (OER). This work presents a simple hydrothermal technique for producing CaAl2O4...
Cobalt/iron terephthalic acid (CoFeTPA) metal organic frameworks with nano/microcrystalline structures were synthesized and investigated their bifunctional electrocatalytic OER, HER and overall water splitting in alkaline medium. Co-TPA produced microcrystalline particles...
The advancement of various renewable energy conversion technologies encourages investment in high-efficiency energy storage systems. The transition metal oxides are extensively employed as electrodes for supercapacitor applications; however, certain limitations persist, including small surface area and poor conductivity, among others. However, dopi...
This study explores the structural, optical, and microwave absorption properties of (1−x)SrFe12O19 + (x)La0.5Nd0.5FeO3 (SRM-LNFO) composites synthesized via a sol-gel autocombustion method with vary as x=0.00, 0.25, 0.50, 0.75 and 1.00. X-ray diffraction (XRD) and Rietveld refinement confirmed the phase coexistence and transition from hexagonal mag...
The fluorophore structural flexibility and ability to display different conformation provides opportunity to develop fluorescent polymorphs that exhibit tunable solid-state fluorescence. In this study, a conformationally flexible organic fluorophore, (4-(diphenylamino)benzaldehyde,...
Dye‐sensitized solar cell (DSSC) is a potential low‐cost solar energy conversion device that is simple to fabricate with low cost than traditional silicon‐based solar cells. The development of DSSC is hampered by the limitations of using ZnO‐based photoanodes for a number of reasons (e.g., charge recombination, efficiency and expensive method). Pho...
Consumers now have access to synthetic natural organic nanofoods with tailored properties. These nanofoods use organic or inorganic nanostructured ingredients to enhance bioavailability, making them more effective than traditional supplements. Common materials include metals like iron, silver, titanium dioxide, magnesium, calcium, selenium, and sil...
The global problem of ecological safety and public health necessitates, the development of new sustainable ideas for pollution remediation. In recent development, metal–organic frameworks (MOF) are the emerging technology with remarkable potential, which have been employed in environmental remediation. MOFs are networks that are created by the coor...
The production of green and sustainable hydrogen fuel using water oxidation is a perfect solution to world’s mounting energy disaster. Nevertheless, the practical application of this technique is restricted by the absence of earth-rich, low-cost and effective electrocatalysts to perform kinetically slower OER. The MgIn2O4/gCN nanocomposite material...
The consumption of renewable energy sources has seen a rapid and significant increase in the last decade, hence enhancing the need for the prompt progress of an energy storage setup. Advancing the properties of fabricated electrodes might potentially resolve this kind of issue. The perovskite based nanocomposite with carbonations materials has seve...
The production of sustainable energy resources is essential to replace dependence on fossil fuels, mitigate power crises and ecological damage that are of great concern these days. In this analysis, a cost-effective hydrothermal process was applied to develop nickel selenide (NiSe), manganese telluride (MnTe) and the nanocomposite of nickel selenid...
Groundwater from alluvial fan plains is the prevailing water source, especially for arid/semiarid regions, but its contamination poses substantial risks to water supply and public health. The recent study aims to assess the hydro-geochemistry, distribution, and potential health risks of NO3⁻, NO2⁻, and F⁻ concentrations in the groundwater of previo...
Materials having nonlinear optical (NLO) properties have shown hi-tech uses in a variety of modern fields including telecommunications, solid-state physics, laser optics and more recently in quantum computing. The current study offers a comprehensive computational analysis of the chalcone compounds designed through halogens and traditional acceptor...
MOF-derived transition metal alloys have attracted researcher's interest in energy storage devices due to their vast surface area, high porosity, adjustable pore sizes, ease of modification, abundant active sites, and 3D tunable structure. Metal alloys covered with carbon can stabilize conductivity and ease charge accumulation, and they are suitabl...
This study utilized the solvothermal approach for the effective synthesis of BiVO4 nanoparticles. Morphological examination of BiVO4 was conducted via scanning electron microscopy (SEM), while the elemental composition was determined using energy dispersive x-ray spectroscopy (EDX). The crystallinity and functional groups were assessed through x-ra...
In this study, we conducted a comparative quantum computational investigation about carbazole/borole derivatives to understand how different configurations like linear and bent, and terminal groups can affect their linear and second hyperpolarizability properties. The goal was to compare the optical and NLO response properties, photovoltaic paramet...
The sol-gel method was used to synthesize pure ZnO and MoO4@ZnO nanostructures for dual functionality in supercapacitors and photocatalysis. The material properties were examined using photoluminescence spectroscopy (PL), Fourier transform infrared spectroscopy (FTIR), X-ray diffraction spectroscopy (XRD), scanning electron microscopy (SEM), and en...
The atmosphere has been burdened by the augmented release of greenhouse gases, leading to the unfortunate consequences of global warming due to the combustion of fossil fuels. Consequently, the realms of energy have directed their attention toward sustainable alternatives like hydro energy in order to generate electricity. Methods for storing energ...
Researchers have focused on fabricating energy storage equipment to tackle global energy concerns. The energy storage systems including capacitors and batteries have several limitation because of their poor electrochemical performance. The electrode material’s suitability for supercapacitor depends on its ability to improve electrochemical performa...
Molecular dynamics (MD) simulation is an in silico method used in the biomolecular level of research to study how the protein interacts with the target with time. It provides a detailed information of the protein dynamics and ligand structure with the crucial amino acid interactions. Monoamine oxidase B (MAO−B) is a crucial isoenzyme responsible fo...
Oximes, belonging to imines with the general formula of RR'C=NOH, are produced by the nucleophilic addition reaction between hydroxylamine with ketones or aldehydes, yielding corresponding aldoxime and ketoxime. The presence of hydrogen bond acceptor and donor is the classical feature of oxime‐containing structural framework. This review presents a...
Triphenylamine (TPA)‐based Schiff base chemosensors ((E)‐2‐((4‐(diphenylamino)benzylidene)amino)phenol [TPA‐AP], (E)‐5‐(diphenylamino)‐2‐(((2‐hydroxyphenyl)imino)methyl)phenol [HTPA‐AP], and (E)‐5‐(diphenylamino)‐2‐((phenylimino)methyl)phenol [HTPA‐A]) were synthesized and explored the role of metal chelating hydroxyl functionality position for hea...
The high theoretical energy density of Li–S batteries makes them a viable option for energy storage systems in the near future. Considering the challenges associated with sulfur's dielectric properties and the synthesis of soluble polysulfides during Li–S battery cycling, the exceptional ability of MXene materials to overcome these challenges has l...
Energy is the basic need of world, and in this modern era to achieve global need, electrochemical water splitting knwon as process through which world can fulfill their energy requirements, but an efficient and affordable electrocatalyst is necessary for this process. Here, Ag2S/rGO nanocomposite was prepared using hydrothermal route as electrocata...
Energy scarcity and environmental deterioration are the two main issues the world is currently experiencing. Because of their increased energy/power density and longer cycle lifetimes, pseudocapacitors have recently gained the interest of researchers in energy sector. In this study, a novel hierarchical ZnO/MnTe nanocomposite was synthesized by hyd...
Context:
The world's energy and environmental requirements are changing due to rapid population growth and industrial growth, and solar cells can be used to meet these demands. Dye-sensitized solar cells (DSSCs) are solar cells in which energy conversion occurs via a process similar to photosynthesis in plants. DSSC development is still in its inf...
Photocatalysis is a multifaceted phenomenon that can be employed for diverse applications, such as waste management and the treatment of water resources. Through a hydrothermal process, a magnetic nanocomposite comprising MoS2 and NiFe2O4 with optical activity was effectively synthesized. The produced photocatalysts were subjected to different meth...
Researchers in materials science are greatly fascinated by helicene chemistry due to its excellent optical and structural properties. In this work, we introduced symmetrical substitution of donor and acceptor groups on the [7]helicene ([7]HC-1 to [7]HC-5). DFT analysis is used to explore nonlinear optical (NLO) response for designed compounds. For...
The specific surface area, conductivity and cyclic stability of nanomaterials significantly impact a pseudocapacitor electrode's performance. The Co3O4 is economically viable and widely available but has limited surface area and conductivity. However, MnTiO3 has a greater surface area and exhibits superior ion conductivity, resulting in better spec...
Flexible solid-state supercapacitors offer intrinsic fast charging–discharging properties, facilitating the fulfillment of requirements for lightweight and multifunctional wearable electronics. In the present study, PVP/PVA/X wt% of CoMoO4 polymer nanocomposites (PNCs) have been prepared by a solution casting technique. The PNCs were characterized...
The photovoltaic properties of a monocrystalline silicon solar cell were investigated under dark and various illuminations and were modeled by MATLAB programs. According to AM1.5, the studied solar cell has an efficiency rate of 41-58.2% relative to industry standards. The electrical characteristics (capacitance, current-voltage, power-voltage, tra...
The photovoltaic properties of a monocrystalline silicon solar cell were investigated under dark and various illuminations and were modeled by MATLAB programs. According to AM1.5, the studied solar cell has an efficiency rate of 41–58.2% relative to industry standards. The electrical characteristics (capacitance, current–voltage, power-voltage, tra...
The development of an inexpensive, efficient, and sustainable material suitable for energy storage applications is the need of modern era. Due to their affordability, eco-friendliness, high efficiency, and unique electronic structure metal oxides are the favorable candidate for this purpose. Here, the most desirable MnO2/ZnO nanocomposites were fab...
