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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 “"iCVD"”.
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Functional and responsive surfaces via initiated chemical vapor deposition (iCVD)
… switching. Initiated chemical vapor deposition (iCVD) is shown to be a useful technique for surface modification with NIPAAm-based polymers due to its ability to provide complete functional retention and applicability to "real world" substrates, which many times have varying compositions and / or …
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Advancing hydrophobic desalination membranes using initiated chemical vapor deposition (iCVD) v/
… we use initiated chemical vapor deposition (iCVD) to study how surface modification parameters and membrane morphology contribute to MD membrane performance. We introduce new models and analysis methods to support experimental results. This work informs hydrophobic MD membrane design by …
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Prevention of biofouling in seawater desalination via initiated chemical vapor deposition (iCVD)
… called initiated chemical vapor deposition (iCVD). Diffusion-limited reaction conditions have shown to significantly improve the surface concentration of the antifouling zwitterionic moieties, which is crucial to the fouling resistance of modified membranes. Robustness of the ultra-thin …
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Amine functionalization by initiated chemical vapor deposition (iCVD) for interfacial adhesion and film cohesion
… reactivity. Initiated chemical vapor deposition (iCVD) is a polymer chemical vapor deposition technique that utilizes the delivery of vaporphase monomers to form chemically well-defined polymer films with tunable conformality and property. In this thesis work, amine functional iCVD …
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Chemical vapor deposition of antimicrobial polymer coatings
… Initiated chemical vapor deposition (iCVD), a solventless low-temperature process, is used to form thin films of polymers on fragile substrates. To improve research efficiency, a new combinatorial iCVD system was fabricated and used to efficiently determine the deposition kinetics for …
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Initiated chemical vapor deposition of functional polyacrylic thin films
Initiated chemical vapor deposition (iCVD) was explored as a novel method for synthesis of functional polyacrylic thin films. The process introduces a peroxide initiator, which can be decomposed at low temperatures (<200⁰C) and initialize addition reaction of monomer species. The use of low …
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Enabling integration of vapor-deposited polymer thin films
Initiated Chemical Vapor Deposition (iCVD) is a versatile, one-step process for synthesizing conformal and functional polymer thin films on a variety of substrates. This thesis emphasizes the development of tools to further enable the use of iCVD for industrial applications. The ability to pattern …
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Construction of an Initiated Chemical Vapor Deposition (iCVD) Reactor and Deposition of Polytetrafluoroethylene (Ptfe) Thin Films Using Perfluoro-1-Octanesulfonyl Fluoride as the Initiator
Initiated Chemical Vapor Deposition (iCVD) is a surface polymerization technique that is different from other traditional chemical vapor deposition (CVD) techniques. iCVD is carried under a vacuum without the use of solvents, therefore eliminating contaminations. An initiator and a monomer are …
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Environmentally focused patterning and processing of polymer thin films by initiated chemical vapor deposition (iCVD) and oxidative chemical vapor deposition (oCVD)
… Initiated Chemical Vapor Deposition (iCVD) is a low-energy, one step, solvent-free process for producing polymeric thin films This thesis describes the deposition of a novel low-k iCVD precursor, 1,3,5,7-tetravinyltetramethylcylcotetrasiloxane (V4D4). The high degree of organic content …
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Initiated chemical vapor deposition of polymeric thin films : mechanism and applications
Initiated chemical vapor deposition (iCVD) is a novel technique for depositing polymeric thin films. It is able to deposit thin films of application-specific polymers in one step without using any solvents. Its uniqueness of in situ surface polymer synthesis distinguishes iCVD from conventional …
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Initiated chemical vapor deposition of fluoropolymer coatings for the surface modification of complex geometries
Initiated chemical vapor deposition (iCVD) is a one-step, soventless process that can be used to produce polymeric thin films. The iCVD technique has been used to polymerize a wide variety of vinyl monomers such as glycidyl methacrylate (adhesive) and 2-hydroxyethyl methacrylate (hydrophilic). The …
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Synthesis of reactive and stimuli-responsive polymer thin films by initiated chemical vapor deposition and their sensor applications
… to stimuli. Initiated chemical vapor deposition (iCVD) is a novel vacuum deposition technique in which polymer films are synthesized bottom-up as monomer and initiator vapors are introduced into a vacuum coating chamber. iCVD can conformally coat nanoscale, three-dimensional geometries with a high …
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Chemical vapor deposition of functional and conformal polymer thin films for the formation and modification of nanostructures
… (DSA) of block copolymers (BCPs). Initiated CVD (iCVD) is used to form cross-linked poly(divinyl benzene) (pDVB) films that control the orientation of self-assembled BCPs. The cross-linking mechanism of pDVB is first ascertained to form durable films. In-situ chemical modification of iCVD pDVB is …
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Copolymerization of divinylbenzene and 4-vinylpyridine using initiated chemical vapor deposition for surface modification and its applications
… with these organic thin films. The conditions of iCVD allow a variety of delicate substrates to be coated and for the full retention of pendant functional groups. This leads to their application to many industries including water desalination membranes, microfluidics, photolithography, sensors, …
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Air-gap sacrificial materials by initiated chemical vapor deposition
… using initiated chemical vapor deposition (iCVD) technique. Spectroscopic data showed the effective incorporation of both components in the copolymer and the integrity of repeating units were retained. The onset temperature of decomposition of P(npMA-co-EGDA) copolymer could be tuned between …
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Carbon nanotube assisted formation of sub-50 nm polymeric nano-structures
… by the initiated chemical vapor deposition (iCVD) method, an alternative to spin-on deposition. The sub-50 nm PSMa polymer patterns were prepared by low energy oxygen plasma etching by using CNTs as the masks. The water soluble, amine-functionalized QDs underwent the nucleophilic acyl …
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Mechanically flexible vapor-deposited polymeric thin films for electrochemical devices
… systems. Initiated chemical vapor deposition (iCVD) and oxidative chemical vapor deposition (oCVD), which are non-destructive to fragile substrates, have been employed for the synthesis of the polymeric thin films. As an effort to enhance the functional end-users, pinhole-free ionic liquid gels …
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Advanced materials for enhanced condensation heat transfer
… via initiated chemical vapor deposition (iCVD). We show how both materials exhibit robust dropwise behavior, and further subject an iCVD film to an accelerated endurance trial to show how it sustains dropwise condensation throughout a 3-month equivalent trial. Next we combine hydrophobic …
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Towards Thick Battery Electrodes and Interdigitated Cell Architectures Via Micro-structured Carbon Nanotube Forests
… utilize an initiated chemical vapor deposition (iCVD) process to deposit conformal poly(hydroxyethyl methacrylate-co-ethylene glycol diacrylate) thin films on to the patterned Si-CNT composites. Doping these copolymer films with lithium salts results in ionic conductivities on the order of ~10⁻⁵ …
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Photoinitiated chemical vapor depostion [sic] : mechanism and applications
Photoinitiated chemical vapor deposition (piCVD) is developed as a simple, solventless, and rapid method for the deposition of swellable hydrogels and functional hydrogel copolymers. Mechanistic experiments show that piCVD is predominantly a surface reaction, allowing it to coat non-planar …
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