Gotowe bibliografie tematyczne / Nanostructured materials, porous materials

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Gotowa bibliografia na temat „Nanostructured materials, porous materials”

Autor: Grafiati

Data publikacji: 7 września 2023

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Artykuły w czasopismach na temat "Nanostructured materials, porous materials"

Chen, Huige, Run Shi i Tierui Zhang. "Nanostructured Photothermal Materials for Environmental and Catalytic Applications". Molecules 26, nr 24 (13.12.2021): 7552. http://dx.doi.org/10.3390/molecules26247552.

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Solar energy is a green and sustainable clean energy source. Its rational use can alleviate the energy crisis and environmental pollution. Directly converting solar energy into heat energy is the most efficient method among all solar conversion strategies. Recently, various environmental and energy applications based on nanostructured photothermal materials stimulated the re-examination of the interfacial solar energy conversion process. The design of photothermal nanomaterials is demonstrated to be critical to promote the solar-to-heat energy conversion and the following physical and chemical processes. This review introduces the latest photothermal nanomaterials and their nanostructure modulation strategies for environmental (seawater evaporation) and catalytic (C1 conversion) applications. We present the research progress of photothermal seawater evaporation based on two-dimensional and three-dimensional porous materials. Then, we describe the progress of photothermal catalysis based on layered double hydroxide derived nanostructures, hydroxylated indium oxide nanostructures, and metal plasmonic nanostructures. Finally, we present our insights concerning the future development of this field.

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Menzel, Nadine, Erik Ortel, Ralph Kraehnert i Peter Strasser. "Electrocatalysis Using Porous Nanostructured Materials". ChemPhysChem 13, nr 6 (14.02.2012): 1385–94. http://dx.doi.org/10.1002/cphc.201100984.

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Manova, Elina, Pilar Aranda, M. Angeles Martín-Luengo, Sadok Letaïef i Eduardo Ruiz-Hitzky. "New titania-clay nanostructured porous materials". Microporous and Mesoporous Materials 131, nr 1-3 (czerwiec 2010): 252–60. http://dx.doi.org/10.1016/j.micromeso.2009.12.031.

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Zhang, Xin Xin, Ying Xia Jin, Hai Peng Wang i Yu Yang. "Development and Application of Porous Anodic Alumina Template". Applied Mechanics and Materials 320 (maj 2013): 558–66. http://dx.doi.org/10.4028/www.scientific.net/amm.320.558.

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Various porous alumina structures are formed in different electrolyte systems. Adjusting the anodizing parameters can yield different apertures and regularities of the porous alumina template. Thus, porous alumina is widely applied in the preparation of ordered nanostructured materials. This study introduces the porous alumina structure, including its formation mechanism, manufacturing technology, and application in the manufacture of nanostructure materials.

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Kajii, H., H. Take i K. Yoshino. "Novel Properties of periodic porous nanostructured carbon materials". Synthetic Metals 121, nr 1-3 (marzec 2001): 1315–16. http://dx.doi.org/10.1016/s0379-6779(00)01296-0.

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Moshnikov, Vyacheslav A., Irina E. Gracheva, Vladimir V. Kuznezov, Alexsandr I. Maximov, Svetlana S. Karpova i Alina A. Ponomareva. "Hierarchical nanostructured semiconductor porous materials for gas sensors". Journal of Non-Crystalline Solids 356, nr 37-40 (sierpień 2010): 2020–25. http://dx.doi.org/10.1016/j.jnoncrysol.2010.06.030.

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Zemtsova, Elena, Denis Yurchuk i Vladimir Smirnov. "The Process of Nanostructuring of Metal (Iron) Matrix in Composite Materials for Directional Control of the Mechanical Properties". Scientific World Journal 2014 (2014): 1–12. http://dx.doi.org/10.1155/2014/979510.

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We justified theoretical and experimental bases of synthesis of new class of highly nanostructured composite nanomaterials based on metal matrix with titanium carbide nanowires as dispersed phase. A new combined method for obtaining of metal iron-based composite materials comprising the powder metallurgy processes and the surface design of the dispersed phase is considered. The following stages of material synthesis are investigated: (1) preparation of porous metal matrix; (2) surface structuring of the porous metal matrix by TiC nanowires; (3) pressing and sintering to give solid metal composite nanostructured materials based on iron with TiC nanostructures with size 1–50 nm. This material can be represented as the material type “frame in the frame” that represents iron metal frame reinforcing the frame of different chemical compositions based on TiC. Study of material functional properties showed that the mechanical properties of composite materials based on iron with TiC dispersed phase despite the presence of residual porosity are comparable to the properties of the best grades of steel containing expensive dopants and obtained by molding. This will solve the problem of developing a new generation of nanostructured metal (iron-based) materials with improved mechanical properties for the different areas of technology.

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Zheng, Xin, Keliang Jiang, Linlin Zhang i Cheng Wang. "N-doped 3D porous carbon materials derived from hierarchical porous IRMOF-3 using a citric acid modulator: fabrication and application in lithium ion batteries as anode materials". Dalton Transactions 49, nr 27 (2020): 9369–76. http://dx.doi.org/10.1039/d0dt01706j.

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N-doped 3D porous carbon nanostructured materials exhibiting excellent lithium storage capacity and cycling stability when used as anode materials for LIBs were fabricated by calcinating hierarchical porous IRMOF-3 materials.

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Li, Chenyang, Jiaqian Qin, Montree Sawangphruk, Xinyu Zhang i Riping Liu. "Rational design and synthesis of SiC/TiC@SiOx/TiO2 porous core–shell nanostructure with excellent Li-ion storage performance". Chemical Communications 54, nr 89 (2018): 12622–25. http://dx.doi.org/10.1039/c8cc07673a.

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Porous SiC/TiC@TiO₂/SiO_x core–shell nanostructure can be fabricated by partial oxidation of Ti₃SiC₂-derived SiC/TiC nanostructured materials for excellent Li ion storage performance.

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Alfarisa, Suhufa, Suriani Abu Bakar, Azmi Mohamed, Norhayati Hashim, Azlan Kamari, Illyas Md Isa, Mohamad Hafiz Mamat, Abdul Rahman Mohamed i Mohamad Rusop Mahmood. "Carbon Nanostructures Production from Waste Materials: A Review". Advanced Materials Research 1109 (czerwiec 2015): 50–54. http://dx.doi.org/10.4028/www.scientific.net/amr.1109.50.

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Research innovation in finding new carbon sources for carbon nanostructured material production was intensively done lately. In this review, we present the production of carbon nanostructures such as carbon fibers, nanotubes, nanowhiskers, microspheres and porous carbon from several waste materials. The benefit of the use of waste materials such as waste cooking palm oil, chicken fat, waste natural oil, glycerol, printed circuit board, plastic wastes, waste engine oil, scrap tyre, heavy oil residue and deoiled asphalt is not only in the term of their environmentally friendly approach but also the economic value to reduce the high cost of carbon material production using common sources. On the other hand, these materials are easy access sources and can be alternative utilization to convert waste materials into high value nanomaterials.

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Rozprawy doktorskie na temat "Nanostructured materials, porous materials"

Farghaly, Ahmed A. "Fabrication of Multifunctional Nanostructured Porous Materials". VCU Scholars Compass, 2016. http://scholarscompass.vcu.edu/etd/4189.

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Nanostructured porous materials generally, and nanoporous noble metals specifically, have received considerable attention due to their superior chemical and physical properties over nanoparticles and bulk counterparts. This dissertation work aims to develop well-established strategies for the preparation of multifunctional nanostructured porous materials based on the combination of inorganic-chemistry, organic-chemistry and electrochemistry. The preparation strategies involved one or more of the following processes: sol-gel synthesis, co-electrodeposition, metal ions reduction, electropolymerization and dealloying or chemical etching. The study did not stop at the preparation limits but extended to investigate the reaction mechanism behind the formation of these multifunctional nanoporous structures in order to determine the different factors controlling the nanoporous structures formation. First, gold-silica nanocomposites were prepared and used as a building blocks for the fabrication of high surface area gold coral electrodes. Well-controlled surface area enhancement, film thickness and morphology were achieved. An enhancement in the electrode’s surface area up to 57 times relative to the geometric area was achieved. A critical sol-gel monomer concentration was also noted at which the deposited silica around the gold coral was able to stabilize the gold corals and below which the deposited coral structures are not stable. Second, free-standing and transferable strata-like 3D porous polypyrrole nanostructures were obtained from chemical etching of the electrodeposited polypyrrole-silica nanocomposite films. A new reaction mechanism was developed and a new structural directing factor has been discovered for the first time. Finally, silver-rich platinum alloys were prepared and dealloyed in acidic medium to produce 3D bicontinuous nanoporous platinum nanorods and films with a nanoporous gold-like structure. The 3D-BC-NP-Pt displayed high surface area, typical electrochemical sensing properties in an aqueous medium, and exceptional electrochemical sensing capability in a complex biofouling environment containing fibrinogen. The 3D-BC-NP-Pt displayed high catalytic activity toward the methanol electro-oxidation that is 30 times higher that of planar platinum and high volumetric capacitance of 400 F/cm3. These findings will pave the way toward the development of high performance and reliable electrodes for catalysis, sensing, high power outputs fuel cells, battery-like supercapacitors and miniaturized device applications.

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Scanlon, Shane. "Nanostructured porous materials based on designed self-assembling biopolymers". Thesis, University of Leeds, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.434581.

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Berrigan, John Daniel. "Biomimetic and synthetic syntheses of nanostructured electrode materials". Diss., Georgia Institute of Technology, 2012. http://hdl.handle.net/1853/53143.

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The scalable syntheses of functional, porous nanostructures with tunable three-dimensional morphologies is a significant challenge with potential applications in chemical, electrical, electrochemical, optical, photochemical, and biochemical devices. As a result, several bio-enabled and synthetic approaches are explored in this work (with an emphasis on peptide-enabled deposition) for the generation of aligned nanotubes of nanostructured titania for application as electrodes in dye-sensitized solar cells and biofuel cells. As part of this work, peptide-enabled deposition was used to deposit conformal titania coatings onto porous anodic alumina templates under ambient conditions and near-neutral pH to generate aligned, porous-wall titania nanotube arrays that can be integrated into dye-sensitized solar cells where the arrays displayed improved functional dye loading compared to sol-gel-derived nanotubes. A detailed comparison between synthetic and bioorganic polyamines with respect to titania film properties deposition rate provided valuable information for future titania coating experimental design given specific applications. The development of template-based approaches to single-wall titania nanotube arrays led to the development of a new synthetic method to create aligned, multi-walled titania nanotube arrays. Lastly, peptide-enabled deposition methods were extended beyond inorganic mineral and used for enzyme immobilization by cross-linking the peptide with the multicopper oxidase laccase. Peptide-laccase hybrid enzyme coatings improved both the amount of enzyme adsorbed onto carbon nanotube “buckypaper” and allowed the enzyme to retain more activity upon immobilization onto the surface.

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Zhang, Jin. "Electrodeposition of novel nanostructured and porous materials for advanced applications: synthesis, structural characterization and physical/chemical performance". Doctoral thesis, Universitat Autònoma de Barcelona, 2016. http://hdl.handle.net/10803/393985.

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Aquesta tesi doctoral comprèn la síntesi electroquímica de materials metàl·lics avançats en dues configuracions diferents, capes poroses i nanofils segmentats. Les capes poroses s’han preparat per electrodeposició fent ús de les bombolles d’hidrogen que es generen durant el procés com a plantilles (sistemes de Ni i Cu-Ni macroporós) i també per electrodeposició en presència del polímer P123 que actua com a plantilla autoorganitzada (Ni nanoporós). Les capes de Cu-Ni presenten una porositat jeràrquica (estan formades per microporus esfèrics i les partes de porus són nanodendrítiques), caràcter superhidrofòbic i propietats ferromagnètiques a temperatura ambient (gràcies a la separació de fases que s’aconsegueix durant el procés de deposició). A més, aquestes capes són electroquímicament actives vers la reacció d’evolució d’hidrogen en medi alcalí, bo i presentant millor resposta que les capes de Cu i Ni poroses preparades en condicions similars. D’altra banda, s’han fabricat nanofils segmentats de CoPt/Cu/Ni i CoPt/Ni amb un control acurat de la llargada dels segments en membranes de policarbonat (PC). Gràcies al fet que els segments de CoPt i Ni presenten propietats ferromagnètiques distintes (l’un és magnèticament dur i l’altre magnèticament tou), es pot aconseguir un alineament antiparal·lel de la magnetització de saturació dels segments si llurs llargades es dissenyen de forma apropiada. Això faria possible minimitzar-ne la seva aglomeració un cop els nanofils fossin alliberats de la membrana de PC. Les troballes experimentals han estat validades mitjançant càlculs analítics. S’han utilitat les capes macroporoses de Cu-Ni i Ni com a matrius per a la fabricació de noves làmines de nanocompòsit, en particular ZnO@CuNi, Al2O3@Ni i Co2FeO4@Ni, mitjançat processos de sol-gel i deposició de capa atòmica (en anglès, ALD). L’ALD permet la formació d’un recobriment conformal de gruix nanomètric en l’esquelet metàl·lic porós. Els nanocompòsits resultants combinen les propietats de la matriu metàl·lica i les del recobriment (fotoluminescència i propietats fotocatalítiques en el cas del ZnO, canvis en la mullabilitat en el cas de Al2O3 i Co2FeO4). Finalment, s’han avaluat les propietats nanomecàniques de films de Ni nanoporós i s’ha vist que existeix una dependència tant del mòdul de Young com del límit d’elasticitat amb la força màxima aplicada durant els assaigs de nanoindentació, atès que aquetes capes presenten una gradació de la porositat en funció del gruix.
This Thesis dissertation covers the electrochemical synthesis of advanced metallic materials in two different configurations, namely porous films and segmented nanowires (NWs). Porous films are prepared by hydrogen bubble-assisted electrodeposition (macroporous Ni and Cu-Ni systems) and self-organized template (block-copolymer P123) assisted electrodeposition (nanoporous Ni). The Cu-Ni films exhibit a hierarchical porosity (they consist of micron-sized roughly spherical pores and nanodendritic walls), superhydrophobic character and ferromagnetic properties at room temperature (due to the occurrence of phase separation during deposition). Furthermore, they are electrocatalytically active toward hydrogen evolution reaction in alkaline media, outperforming pure Cu and Ni porous films prepared under similar conditions. Meanwhile, segmented CoPt/Cu/Ni and CoPt/Ni NWs with controlled segment lengths are prepared by electrodeposition in polycarbonate (PC) membranes. Due to the dissimilar ferromagnetic properties of CoPt and Ni segments (hard- and soft-ferromagnetic character, respectively), it is possible to achieve an antiparallel alignment of the magnetization of the segments if their lengths are properly tuned. This would make it possible to minimize aggregation of the NWs once released from the PC template. These findings have been validated by analytical calculations. The macroporous Cu-Ni and Ni films are used as scaffolds for the fabrication of novel nanocomposite layers, namely ZnO@CuNi, Al2O3@Ni and Co2FeO4@Ni, by applying sol-gel coating and atomic layer deposition techniques. The latter allows a nanometer-thick conformal coating of the metallic host. The resulting nanocomposites combine the properties coming from the metallic matrix and those arising from the coating (photoluminescence and photocatalytic properties in the case of ZnO, changes in the wettability for Al2O3 and Co2FeO4). Finally, the nanomechanical properties of nanoporous Ni films are evaluated and a thickness-dependence of both the Young’s modulus and the yield strength with the maximum applied force during nanoidentation is disclosed, due to the graded porosity of these films.

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Su, Zixue. "Porous anodic metal oxides". Thesis, University of St Andrews, 2010. http://hdl.handle.net/10023/1019.

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An equifield strength model has been established to elucidate the formation mechanism for the highly ordered alumina pore arrays and titanium oxide nanotubular arrays prepared via a common electrochemical methodology, anodisation. The fundamentals of the equifield strength model was the equilibrium between the electric field driven oxidation rate of the metal and electric field enhanced dissolution rate of oxide. During the anodic oxidation of metal, pore initiation was believed to generate based on dissolution rate difference caused by inhomogeneity near the metal/oxide interface. The ionic nanoconvection driven by the electric force exerted on the space charge layer in the vicinity of electrolyte/oxide interface is established to be the main driving force of the pore ordering at the early stage of the anodisation. While the equifield strength requirement governs the following formation of the single pore and the self-ordering of random distributed pore arrays during the anodisation process. Hexagonal patterned Al2O3 nanopore arrays and TiO2 nanotubular arrays have been achieved by anodisation of corresponding metal substrates in proper electrolytes. The two characteristic microstructural features of anodic aluminium oxide (AAO) and anodic titanium oxide (ATO) were investigated using scanning electron microscopy (SEM) and high resolution transmission electron microscopy (HRTEM). The observations of the hemispherical electrolyte/oxide and oxide/metal interfaces, uniform thickness of the oxide layer, as well as self-adjustment of the pore size and pore ordering can be well explained by the equifield strength model. Field enhanced dissociation of water is extremely important in determination of the porosity of anodic metal oxide. The porosity of AAO and ATO films was found to be governed by the relative dissociation rate of water which is dependent on anodisation conditions, such as electrolyte, applied voltage, current density and electric field strength. Using an empirical method, the relations between the porosity of the AAO (ATO) films and the anodisation parameters, such as electric field strength, current density and applied voltage, have been established. Besides, the extent that an external electric field can facilitate the heterolytic dissociation of water molecule has been estimated using quantum-chemical model computations combined with the experimental aspect. With these achievements, the fabrication of anodic metal oxide films can be understood and controlled more precisely. Additionally, the impacts of other factors such as the electrolyte type and the temperature effect on the morphology of the anodic products were also investigated. Some important experimental evidences on the pore diameters variation with applied voltage in the anodisation of aluminium and the titanium were obtained for future investigation of the anodic metal oxide formation processes.

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King, L. J. "Aligned nanorods of A1PO4-5 within the pores of anodic alumina : a thesis submitted to the Victoria University of Wellington in fulfilment of the requirements for the degree of Master of Science with Honours in Chemistry /". ResearchArchive@Victoria e-thesis, 2010. http://hdl.handle.net/10063/1289.

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Gu, Xingxing. "Environmentally-benign, Porous and Conductive Carbon Materials for Lithium-Sulphur Batteries". Thesis, Griffith University, 2017. http://hdl.handle.net/10072/366860.

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Materials engineering and nano-manipulation play a key role in the development of advanced Lithium-Sulphur (Li–S) batteries in terms of energy and power density (both gravimetric and volumetric), cycling stability, rate capability, safety and the cost of production. In this thesis, two strategies are used to address the demands, i.e. fabrication of low cost, environmentally benign and conductive carbon-sulphur (C−S) nanostructured cathodes, and the use of interlayers as a novel battery configuration in Li–S battery systems. In the first strategy, inexpensive, scalable, environmentally-friendly and commercial bamboo biochar was activated via a KOH/annealing process to create an abundant microporous structure. This was then used to encapsulate sulphur to prepare a microporous bamboo carbon–sulphur (BC-S) nanocomposite as the cathode for Li–S batteries. The bamboo carbon micropores can encapsulate sulphur and polysulphides to reduce the shuttle phenomenon during cycling while simultaneously maintaining electrical contact between the sulphur and the conductive carbon framework during the charge/discharge process. The treated BC-S (T_BC-S) nanocomposite with 50 wt% sulphur content delivers a high initial capacity of 1295 mA·h·g−1 at a low discharge rate of 160 mA·g−1 and high capacity retention of 550 mA·h·g−1 after 150 cycles at a high discharge rate of 800 mA·g−1 with excellent coulombic efficiency (≥ 95%).
Thesis (PhD Doctorate)
Doctor of Philosophy (PhD)
Griffith School of Environment
Science, Environment, Engineering and Technology
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Hou, Chia-Hung. "Electrical double layer formation in nanoporous carbon materials". Diss., Atlanta, Ga. : Georgia Institute of Technology, 2008. http://hdl.handle.net/1853/22698.

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Thesis (Ph. D.)--Civil and Environmental Engineering, Georgia Institute of Technology, 2008.
Committee Chair: Sotira Yiacoumi; Committee Co-Chair: Costas Tsouris; Committee Member: Ching-Hua Huang; Committee Member: Sankar Nair; Committee Member: Spyros G. Pavlostathis.

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Bimbo, Nuno Maria Marques dos Santos. "Modelling and analysis of hydrogen storage in nanostructured solids for sustainable energy systems". Thesis, University of Bath, 2013. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.577745.

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As societies depart from current economic models which are built around affordable and easily accessible fossil fuels to energy systems increasingly based on the use of renewable energies, the need grows for a wide-scale clean and sustainable energy vector. Hydrogen fulfils most of the needed equirements, but implementation and large scale penetration, especially for mobile applications, is precluded by technical issues. Among these, arguably the most complex is how to safely, economically and efficiently store hydrogen. Storage in a porous material offers some attractive features, which include fast kinetics, reversibility and moderate energy penalties. A new methodology to analyse hydrogen adsorption isotherms in microporous materials is presented in this thesis. The methodology is applied to hydrogen adsorption in different classes of high-surface area materials but could in principle be used for any supercritical fluid adsorbed onto a microporous material. To illustrate the application of the methodology, high-pressure hydrogen adsorption isotherms of four different materials were analysed, metal-organic frameworks MIL-101 and NOTT-101 and carbons AX-21 and TE7. The analysis extracts important information on the adsorptive capacities of the materials and compares them with conventional storage methods, which include compression, liquefaction and cryogenic compression. The methodology also aids in the calculation of the thermodynamics of adsorption, providing a more accurate calculation method than currently reported techniques, demonstrated with the calculation of the differential isosteric enthalpies for metal-organic framework NOTT-101. NMR and INS are used in a novel way at the same operating conditions of sorption experiments to validate the findings of the analysis. Both methods provide a qualitative validation for the analysis. Remarkably, the INS reveals that the adsorbed hydrogen in TE7 is in a solid-like state. GCMC simulations were also used to compare with the application and findings of the methodology, using silicalite-1 as a test material.

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Masika, Eric. "Fabrication of nanostructured inorganic and carbon porous materials for catalysis and gas storage applications". Thesis, University of Nottingham, 2013. http://eprints.nottingham.ac.uk/14590/.

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This thesis details the preparation and subsequent characterisation of novel nanostructured porous materials with tuneable porosity. The main focus is the development of inorganic and carbonaceous porous materials for catalysis, templating and gas storage applications. Three distinct methods of synthesis are investigated, namely: (i) hydrothermal synthesis of zeotype aluminosilicates, (ii) nanocasting techniques for templated carbons and (iii) sol-gel processes, with/without metal salt 'porogen', to carbon aerogels. Post-synthesis modification methods for carbonaceous materials include supercritical carbon dioxide mediated incorporation of palladium nanoparticles into zeolite templated carbons and chemical activation for carbon aerogels resulting in enhanced textural properties. Chapter 1: Provides the foundation and background to the main themes of nanostructured porous materials investigated in this work. Information about fundamental properties and applications is emphasised. Chapter 2: Gives a brief background of techniques used for characterisation of the porous materials generated in this research programme. Gas sorption techniques used to probe hydrogen storage and carbon dioxide uptake are also presented. Chapter 3: Describes stepwise experimental techniques followed in the preparation of various porous materials. The chapter also describes the instrumentation used in these techniques. Chapter 4 - 7: Each chapter reports a separate but sequential area of research in which appropriate additional theory and background is provided with associated literature review. This is followed by a results and discussion section, with a concluding summary for each chapter. Chapter 4: Details the synthesis of ordered mesoporous aluminosilicates, which exhibit some zeolitisation, prepared from a recipe conventionally used for the synthesis of microporous zeolite SEA. The porosity of the aluminosilicates is modified by simple washing and/or refluxing (in water) of either on the as-synthesised mesophase or the calcined material. The aluminosilicates have excellent hydrothermal stability and strong acidity and thus combine the best properties from mesoporous materials and zeolites. Chapter 5: Describes the preparation of zeolite templated carbons (ZTC) generated as replicas of zeolite Y via a hard template nanocasting process. In order to enhance hydrogen storage, the ZTCs are impregnated with Palladium nanoparticles using supercritical carbon dioxide solvent, scC02, as environmentally benign reaction media. The Pd-doped ZTCs exhibit enhanced hydrogen storage due to optimised (with respect to metal content and particle size) incorporation of Pd. Chapter 6: A two-step process for the generation of zeolite template carbons (ZTCs) was investigated. In this case the nanocasting technique involves liquid impregnation of zeolite 13X with furfuryl alcohol followed by chemical vapour deposition (CVD) of ethylene at variable CVD temperatures. The two-step process was a successful attempt to optimise the replication of the zeolite structure in the carbons. The ZTCs had very high surface area and excellent mechanical stability, and achieved the highest hydrogen storage capacity (7.3 wt% at 77 K and 20 bar) ever reported for any carbon material. Chapter 7: Organic Sol-gel chemistry is explored in the formation of carbon aerogels via conventional methods involving the use of resorcinolformaldehyde resins and melamine-formaldehyde with or without metal salt as a porogen and subcritical drying. Chemical activation is used to modify the porosity of aerogels for potential applications in carbon dioxide uptake. Chapter 8: A brief overall conclusion to this research work is presented together with recommendations for future research.

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Książki na temat "Nanostructured materials, porous materials"

service), ScienceDirect (Online, red. Advances in nanoporous materials. Amsterdam: Elsevier Science, 2009.

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service), ScienceDirect (Online, red. Ordered porous solids: Recent advances and prospects. Amsterdam: Elsevier Science, 2008.

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Chatterjee, Abhijit. Structure property correlations for nanoporous materials. Boca Raton: Taylor & Francis, 2010.

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Chatterjee, Abhijit. Structure property correlations for nanoporous materials. Boca Raton: CRC Press/Taylor & Francis, 2010.

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Chatterjee, Abhijit. Structure property correlations for nanoporous materials. Boca Raton: Taylor & Francis, 2010.

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Haghi, A. K. A first course on basic elements of heat flow in nanoporous fabrics. Hauppauge, N.Y: Nova Science Publishers, 2011.

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Lu, An-Hui. Nanocasting: A versatile strategy for creating nanostructured porous materials. Cambridge: RSC Pub., 2010.

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Nanoporous materials: Advanced techniques for characterization, modeling, and processing. Boca Raton, Fla: CRC Press, 2011.

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Curtis, Conner Wm, Fraissard Jacques P. 1934- i NATO Public Diplomacy Division, red. Fluid transport in nanoporous materials. Dordrecht, The Netherlands: Springer in cooperation with NATO Public Diplomacy Division, 2006.

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Professor, Lu G. Q., i Zhao X. S, red. Nanoporous materials: Science and engineering. London: Imperial College Press, 2004.

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Części książek na temat "Nanostructured materials, porous materials"

Péter, László. "Porous Nanostructured Materials". W Monographs in Electrochemistry, 259–302. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-69117-2_8.

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Vantomme, A., A. Léonard, Zhong Yong Yuan i Bao Lian Su. "Hierarchically Nanostructured Porous Functional Ceramics". W Key Engineering Materials, 1933–38. Stafa: Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-410-3.1933.

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Miele, Philippe, Mikhael Bechelany i Samuel Bernard. "Hierarchically Nanostructured Porous Boron Nitride". W Advanced Hierarchical Nanostructured Materials, 267–90. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2014. http://dx.doi.org/10.1002/9783527664948.ch8.

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Wang, Da-Wei. "Hierarchical Design of Porous Carbon Materialsfor Supercapacitors". W Advanced Hierarchical Nanostructured Materials, 443–60. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2014. http://dx.doi.org/10.1002/9783527664948.ch12.

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Bleta, Rudina, Eric Monflier i Anne Ponchel. "Cyclodextrins and Nanostructured Porous Inorganic Materials". W Environmental Chemistry for a Sustainable World, 105–53. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-76159-6_3.

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Butwong, Nutthaya. "Porous Nanostructured Materials for Electroanalytical Applications". W Handbook of Nanobioelectrochemistry, 219–40. Singapore: Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-19-9437-1_11.

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Sohn, Hiesang, Mikhail L. Gordin i Donghai Wang. "Hierarchical Porous Carbon Nanocomposites for Electrochemical Energy Storage". W Advanced Hierarchical Nanostructured Materials, 407–42. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2014. http://dx.doi.org/10.1002/9783527664948.ch11.

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Sun, Li, i Chunxu Pan. "Novel 3D Hierarchical Porous Carbon/Metal Oxides or Carbide Composites". W Nanostructured Materials for Supercapacitors, 293–317. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-99302-3_14.

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Franco, Ana, Alina M. Balu, Antonio A. Romero i Rafael Luque. "Nanostructured Porous Materials: Synthesis and Catalytic Applications". W Nanotechnology in Catalysis, 119–44. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2017. http://dx.doi.org/10.1002/9783527699827.ch6.

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Brock, Stephanie L. "Aerogels: Disordered, Porous Nanostructures". W Nanoscale Materials in Chemistry, 207–41. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2009. http://dx.doi.org/10.1002/9780470523674.ch8.

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Streszczenia konferencji na temat "Nanostructured materials, porous materials"

Smerdov, Rostislav S., Alexander S. Mustafaev, Vladimir S. Soukhomlinov, Yulia M. Spivak i Vyacheslav A. Moshnikov. "Nanostructured Porous Silicon and Graphene-based Materials for PETE Electrode Synthesys". W 2019 IEEE Conference of Russian Young Researchers in Electrical and Electronic Engineering (EIConRus). IEEE, 2019. http://dx.doi.org/10.1109/eiconrus.2019.8657196.

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Fricke, J. "THERMAL TRANSPORT IN NANOSTRUCTURED POROUS MATERIALS AND THEIR OPTIMIZATION AS THERMAL SUPERINSULATORS". W International Heat Transfer Conference 10. Connecticut: Begellhouse, 1994. http://dx.doi.org/10.1615/ihtc10.1840.

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Rupp, Cory, M. Frenzel, A. Evgrafov, K. Maute i Martin L. Dunn. "Design of Nanostructured Phononic Materials". W ASME 2005 International Mechanical Engineering Congress and Exposition. ASMEDC, 2005. http://dx.doi.org/10.1115/imece2005-82206.

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Streszczenie:

The ability of a material containing a periodic arrangement of second-phase inclusions to prevent transmission of waves in certain frequency ranges is well known. This is true for all types of waves including acoustic, electromagnetic, and elastic. These forbidden regions are called band gaps. They arise as incident waves are effectively attenuated by interference among the scattered wave fields. Indeed much of current semiconductor technology revolves around band-gap engineering with regard to electron flow in the periodic potentials resulting from atoms in their lattice positions. The phenomena are also being heavily explored in the context of light via the development of photonic crystals. Things become more interesting if instead of thinking of periodic arrangements, one selectively removes some of the inclusions in the periodic geometry creating defects. If done right, this can result in a material microstructure that can guide waves through the material. Advances in nano and micromanufacturing technologies in the last couple of years have opened up the possibility to fabricate heterogeneous material systems with precise positional control of the constituent materials. For example, it is now possible to place thin-film materials precisely at a resolution of fractions of a micron. Depending on how it is done, one can envision designing a material so that a wave will be guided to a particular location and/or away from another and as a result damping or amplifying the wave locally. In this work we develop a topology optimization approach to design such nanostructured materials. We demonstrate the approach through the design of three multifunctional phononic composite materials composed of silicon and aluminum: i) a grating designed to stop wave propagation at a specified frequency, ii) a waveguide that bends the propagation path of an elastic wave, and iii) an elastic switch that switches an input signal between two output ports based on the state of the input signal.

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Hosseini, Hadi, Mehrdad Kokabi i Seyyed Mohammad Mousavi. "Biosynthesis of highly porous bacterial cellulose nanofibers". W 6TH INTERNATIONAL BIENNIAL CONFERENCE ON ULTRAFINE GRAINED AND NANOSTRUCTURED MATERIALS: (UFGNSM2017). Author(s), 2018. http://dx.doi.org/10.1063/1.5018942.

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Aksoy, Huseyin G. "Effect of Morphology on Wave Propagation in Porous Materials". W ASME 2015 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/imece2015-53043.

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In this study, effect of morphological parameters on wave propagation in bicontinuous porous nanostructures is studied by using numerical simulations. Computational results show that energy is localized on the surface independent of the morphological parameters. It is observed that localization length increases with the increase in frequency. In addition, surface roughness parameter and ligament diameter do not have significant influence on localization length.

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Suleimanov, Nail, Valery Bazarov i Nikolay Platonov. "Electrophysical properties and morphology of nanostructured porous Ge obtained by method of ion implantation". W International Scientific and Practical Symposium "Materials Science and Technology" (MST2021). AIP Publishing, 2022. http://dx.doi.org/10.1063/5.0099539.

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Jiang, Yajie, Craig M. Johnson, Peter J. Reece, Yang Yang, Yang Li, Supriya Pillai i Martin A. Green. "Porous Silicon Omnidirectional Bragg Reflector for Si Solar Cells". W Optical Nanostructures and Advanced Materials for Photovoltaics. Washington, D.C.: OSA, 2014. http://dx.doi.org/10.1364/pv.2014.pw2b.1.

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Lishchuk, Pavlo, Ali Belarouci, Roman Tkach, Kateryna Dubyk, Roman Ostapenko, Vasyl Kuryliuk, Guillaume Castanet i in. "Impact of thermal annealing on photoacoustic response and heat transport in porous silicon based nanostructured materials". W THERMOPHYSICS 2019: 24th International Meeting of Thermophysics and 20th Conference REFRA. AIP Publishing, 2019. http://dx.doi.org/10.1063/1.5132727.

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Alam, Noor, Kusum Sharma i S. S. Islam. "Ultrahigh performance of electrochemically grown nanostructured porous anodic alumina for low humidity applications". W PROCEEDINGS OF INTERNATIONAL CONFERENCE ON RECENT TRENDS IN MECHANICAL AND MATERIALS ENGINEERING: ICRTMME 2019. AIP Publishing, 2020. http://dx.doi.org/10.1063/5.0025727.

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Gradauskas, J., J. Stupakova, A. Sužiedėlis i N. Samuoliene. "Detection of microwave radiation on porous silicon nanostructures". W Eigth International Conference on Advanced Optical Materials and Devices, redaktor Janis Spigulis. SPIE, 2014. http://dx.doi.org/10.1117/12.2083575.

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Raporty organizacyjne na temat "Nanostructured materials, porous materials"

Svejda, Steven A. Nanostructured Materials. Fort Belvoir, VA: Defense Technical Information Center, sierpień 2005. http://dx.doi.org/10.21236/ada436355.

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Mabry, Joseph M. Nanostructured Materials. Fort Belvoir, VA: Defense Technical Information Center, sierpień 2012. http://dx.doi.org/10.21236/ada566320.

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Dr. Frank. Quantitative Characterization of Nanostructured Materials. Office of Scientific and Technical Information (OSTI), sierpień 2010. http://dx.doi.org/10.2172/984663.

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Wendell E Rhine, PI, Wenting Dong i PM Greg Caggiano. Aerogel Derived Nanostructured Thermoelectric Materials. Office of Scientific and Technical Information (OSTI), październik 2010. http://dx.doi.org/10.2172/990203.

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Lieber, Charles M. Nanostructured Functional and Multifunctional Materials. Fort Belvoir, VA: Defense Technical Information Center, czerwiec 2004. http://dx.doi.org/10.21236/ada423704.

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Parsons, Gregory. Nanostructured Materials for Renewable Alternative Energy. Office of Scientific and Technical Information (OSTI), lipiec 2013. http://dx.doi.org/10.2172/1121733.

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Fox, G. A., T. F. Baumann, L. J. Hope-Weeks i A. L. Vance. Chemistry and Processing of Nanostructured Materials. Office of Scientific and Technical Information (OSTI), styczeń 2002. http://dx.doi.org/10.2172/15005302.

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Mirkin, Chad A., i SonBinh T. Nguyen. Nanostructured Materials for 3-D Powerstructures. Fort Belvoir, VA: Defense Technical Information Center, listopad 2002. http://dx.doi.org/10.21236/ada409244.

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Liu, Di-Jia, i Luping Yu. Nanostructured polymeric materials for hydrogen storage. Office of Scientific and Technical Information (OSTI), marzec 2013. http://dx.doi.org/10.2172/1171719.

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Peter K. Dorhout i Ellen R. Fisher. Nanostructured Assemblies of Thermoelectric Composite Materials. Office of Scientific and Technical Information (OSTI), luty 2008. http://dx.doi.org/10.2172/924135.

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