Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 24 for “"nanosheet"”.
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Carbon nanosheets and their applications
Carbon nanosheets are a new kind of two-dimensional polymeric material that is fabricated by cross-linking aromatic self-assembled monolayers with electrons. Due to their uniform thickness of only about one nanometer, as well as their high chemical, mechanical, and thermal stability, such materials …
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Mechanical characterization of carbon nanosheets
A carbon nanosheet is a new type of two-dimensional material that is fabricated by the electron-induced crosslinking of aromatic self-assembled monolayers. A novel bulge test in an atomic force microscope has been used to study the mechanical properties of carbon nanosheets. The elastic behavior …
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Fabrication of Zeolite MFI Membranes on Low Cost Polymer Supports
… approach, which utilizes the open-pore MFI nanosheets, have been demonstrated. The organic structure directing agents (OSDA) occluded inside the micropores of nanosheets were removed by successive piranha solution treatment, while the crystallinity and morphology were still preserved that …
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Grafting polymers on nanosheets : a route for the fabrication of freestanding polymer brushes
… extended layer which is better known as a nanosheet. A patterned nanosheet can be transferred either onto a solid substrate such as silicone oxide or silicone nitrate, or to a TEM grid with openings of up to tens of micrometers. Fabrication of freestanding homogenous and patterned polymer …
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Charge Transport Physics in Coordination Nanosheets (CONASHs)
… (2D) π-conjugated structure called coordination nanosheet (CONASHs) exhibits significantly enhanced conductivity. This study delves into the unique charge transport characteristics of CONASHs. The investigation focuses on two exemplary coordination nanosheets, copper-benzenehexathiol (Cu-BHT) and …
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Design of Nanostructured Peptoid Assemblies as Synthetic Analogues of Natural Carbonic Anhydrases
… activity. Herein, we developed metal-containing nanosheets as mimics of natural carbonic anhydrase through the incorporation of metal-ligand active sites into nanostructured peptoid materials. We further assessed their CA mimic performance under different conditions. Our results show that …
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DESIGN AND CONSTRUCTION OF BIOSENSING PLATFORMS FOR THE DETECTION OF BIOMARKERS
… ascorbic acid; the second one relays on a MoS2 nanosheet-mediated fluorescence quenching-restoration strategy; and the last one adopts a personal glucose meter as the signal readout through the conjugation of invertase with the substrate DNA of MTase. All of these established biosensors show …
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Experimental and DFT study on selective oxidation of 5-Hydroxymethyl furfural over cadmium sulfide catalyst
… derived polymer. Here, nanorod, nanosphere, and nanosheet types CdS are investigated as oxidation catalyst of HMF to give selective yield of FFCA. Experimental results along with DFT study reveals CdS as an excellent catalyst for HMF oxidation. Along with SEM, TEM, XRD analysis of synthesized …
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Flow of Entropy in Equilibrium and Non-Equilibrium Quantum Systems
… experimentally relevant models, such as carbon nanosheet segments, are contrasted and discussed.
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In situ study of Co₃O₄ morphology in the CO-PROX reaction
… Different morphologies of nanocubes, nanosheets and nanobelts were prepared using hydrothermal mn and precipitation. Conventional spherical nanoparticles from our group were included to compare the activity of conventional nanoparticles with nanoparticles of different morphology. The …
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Nanoscale device engineering and plasmon-enhanced light – matter interactions for the characterization of 2D materials
… validated on WSe<sub>2</sub> and MoS<sub>2</sub> nanosheets, making them applicable to diverse materials. Third, the thesis introduces a configuration where a nanosheet is biased using patterned gold nano-discs located at the intersection of striped electrodes patterned using shadow masks. This …
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Absorption-Dominant Electromagnetic Interference Shielding Polymer Composites and Foams
… Heterostructured SiC nanowire/MXene (Ti3C2Tx) nanosheet hybrids were developed in the absorption layer via interface engineering, which revealed an improved EM energy dissipation capability and satisfactory impedance matching in theoretical results. Moreover, the input impedance of the bilayer …
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Study of Dynamics on the Interfaces of Carbon-Based Nanomaterials and Nanobiosensor
… including graphene amphiphilic Janus nanosheet (AJN), carbon nanotubes (CNTs), and CNT array biosensor. Rational design of the functional interface is explored by comparison of experimental results and the theoretical predictions. In the study of AJN, we discovered (1) a facile, cheap, …
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Enhancing Self-Healing Properties of Polymeric Nanocomposites through Surface Modification of Van der Waals 2D Materials: Exploring Beyond Graphene
… chain ends is achieved and the resulting nanosheets possess the ability to chemically bond with the polymer matrix and actively participate in the healing chemistry. The thesis begins with a comprehensive review of the state-of-the-art in 2D materials-based self- healing polymeric …
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Study on graphene-based nanocomposites with special magnetoresistance properties
… potential applications. First, a new hybrid nanosheet was designed and developed by integrating reduced graphene oxide (rGO) and FeCo nanoparticles (NPs). A facile solvothermal process was developed to produce FeCo/rGO hybrid nanosheets with significant MR (21 ± 6%) at the low magnetic field …
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Sequence and structural effects on molecular conductance of bioinspired peptoid oligomers
… charge transport through two-dimensional peptoid nanosheet assemblies.
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Production of Chemicals from Air Through Electrocatalytic Nitrogen and Oxygen reduction
… and electrolyte. Firstly, semiconducting bismuth nanosheet was for the first time reported to be promising candidate for ambient NRR. The high NRR electrocatalytic activity of the Bi NS originates from the sufficient exposure of edge sites coupled with effective p-orbital electron delocalization. …
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Nickel and cobalt sulfide nanomaterials for magnetic and energy applications
… properties. Nickel or cobalt-rich NixCo3-xS4 nanosheets were prepared by the oleylamine-mediated hot injection method. It was observed that nickel-rich and cobalt-rich nanosheet have different performances when tested for OER and HER, as well as supercapacitance performance. It was observed …
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Earth Abundant Catalysts for Water Electrolysis at Low Overpotentials
… in acidic media, with the edges of the 2D nanosheet structure being the active sites. The oxygen evolution reaction (OER) is the largest source of inefficiency in overall water splitting reaction because it is a four electron/four proton transfer reaction. NiFe oxides have emerged as highly …
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