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Navigating the hydrogen prospect:A comprehensive review of sustainable source-based production technologies, transport solutions,advanced storage mechanisms, and CCUS integration

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Journal of Energy Chemistry 2024年第10期97卷 166-215页

作者： Sehar Tasleem Chandra Sekhar Bongu Mohan Raj Krishnan edreese housni alsharaeh College of Science and General Studies Alfaisal University

The review is a comprehensive discussion of current research advances,commercial scale developments,challenges,and techno-eco nomics for the entire H2value chain,including production,mainly focusing on sustainable sources,storage,and *** challenges,advantages,and uses of H2energy are included at ***,apart from the sustainable production approaches,the approaches and current developments for combating the carbon dioxide（CO2） emissions from existing H2production facilities are highlighted in terms of ca rbon capture,utilization,and storage（CCUS）.Concisely,the review discusses current material and recent technological adva ncements in developing pilot projects and large-scale establishments for viable and rapidly emerging sou rce-ba sed H2productio ***,the review also aims to provide an in-depthdiscussion and explore current developments based on the advantages of H2energy in terms of its utilization,based on its high energy density,and its ability to be used as a feedstock and *** the other hand,the challenges of H2are also elabo ***,the role of CCUS in a carbon-neutral economy and value chain for minimization of emissions from existing facilities is thoroughly deliberated,and the recent commercial-scale implementation of CCUS technologies is *** the utilization and recycling of captured CO2emissions along with H2to produce e-fuels in terms of current advances is detailed in this *** rthermore,the most applicable,efficient,a nd develo ping approaches are discussed for physical and chemical H2storage,considering recent la rge-scale implementations of liquid carriers and liquid organic hydrogen carriers as storage ***,the review elaborates on recent insights into advances in H2transport infrastructure,including compressed and liquid H2delivery via roads,ships,pipelines,and flight *** review gives precise insights into the recent scenario through an elaborated conclusion of each discussion t

关键词： Carbon capture E-fuels Hydrogen storage Hydrogen utilization Source-based hydrogen Transport infrastructure

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Controlling the Bandgaps of One-Dimensional TiO₂/SiO₂, TiO₂/SnO₂, and SiO₂/SnO₂ Photonic Crystals Using the Transfer Matrix Method

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Optics and Photonics Journal 2022年第7期12卷 171-189页

作者： Fatimah Alamrani edreese alsharaeh College of Science and General Studies Alfaisal University Riyadh Saudi Arabia

One-dimensional photonic crystals (1D PhCs) have a unique ability to control the propagation of light waves, however certain classes of 1D oxides remain relatively unexplored for use as PhCs. Specifically, there has not been a comparative study of the three different 1D PhC structures to compare the influence of layer thickness, number, and refractive index on the ability of the PhCs to control light transmission. Herein, we use the transfer matrix method (TMM) to theoretically examine the transmission of 1D PhCs composed of layers of TiO2/SiO2, TiO2/SnO2, SiO2/SnO2, and combinations of the three with various top and bottom layer thicknesses to cover a substantial region of the electromagnetic spectrum (UV to NIR). With increasing layer numbers for TiO2/SiO2 and SiO2/SnO2, the edges became sharper and wider and the photonic bandgap width increased. Moreover, we demonstrated that PhCs with significantly thick TiO2/SiO2 layers had a high transmittance for a wide bandgap, allowing for wide-band optical filter applications. These different PhC architectures could enable a variety of applications, depending on the properties needed.

关键词： One-Dimensional Photonic Crystal Photonic Bandgap Transfer Matrix Method Optical Filter Metal Oxides

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Green Synthesis of Silver Nanoparticles and Their Reduced Graphene Oxide Nanocomposites as Antibacterial Agents:A Bio-inspired Approach

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Acta Metallurgica Sinica(English Letters) 2017年第1期30卷 45-52页

作者： edreese alsharaeh Sarah Alazzam Faheem Ahmed Nishat Arshi Mohammed Al-Hindawi Garwin Kim Sing College of Science & General Studies Alfaisal UniversityRiyadhSaudi Arabia

In this paper, silver nanoparticles （AgNPs） and AgNPs/reduced graphene oxide （RGO） nanocomposites were prepared using lemon juice under microwave irradiation （MWI） and UV light irradiation. AgNPs with face-centered cubic structure RGO peaks were observed by X-ray diffraction. The UV-Vis spectrum showed modifications in the absorption peaks of the AgNPs with the concentration of the precursor solution and irradiation time, and the optimized condition was obtained for 20 min MWI and 60 s of UV light. Raman analysis confirmed the presence of RGO as D and G bands in the spectrum. Transmission electron microscopy analyses confirmed that the AgNPs of size ranging from 3 to 8 nm were anchored onto the RGO sheets. The antibacterial properties of the AgNPs/RGO nanocomposites were investigated using gram-negative bacteria. The results revealed that AgNPs/RGO nanocomposites consisting of approximately 5 wt% AgNPs can achieve antibacterial performance similar to that of neat AgNPS. This method can be useful for the applications of AgNPs-based nanocomposites, where minute amount of silver will be utilized.

关键词： Silver nanoparticles (AgNPs) Nanocomposites Reduced graphene oxide Antibacterial

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