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 36 for “"inkjet-printed"”.
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Inkjet Printed Graphene-Based Smart Gas Sensors
… plaguing traditional sensors, with a fully inkjet-printed metal oxide(MOx)/graphene-based intelligent sensor capable of predictive gas sensing in mixed environments. Through optimisation of new synthesis strategies of the active sensing material, exploitation of the synergistic advantages of …
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All-Inkjet-Printed Low-Voltage Organic Thin-Film Transistors
This thesis presents the development of all-inkjet-printed low-voltage organic thin-film transistors. Organic thin-film transistors (OTFTs), taking advantage of low-temperature printability, mechanical flexibility, and multi-functionality, are promising for a wide range of emerging applications …
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Design and applications of inkjet-printed flexible sensate surfaces
… in low-cost, roll-to-roll conductive inkjet printing technology as an enabler for creating a scalable, physically and functionally adaptive and customizable sensing system. This collection of work demonstrates design principles and examples in the following four areas: manufacturing, …
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Development and Characterization of Inkjet-Printed Poly-Si Passivating Contacts for Silicon Solar Cells
… a maskless, scalable and cost_effective inkjet printing technique to fabricate both localized n_ and p_type poly_Si passivating contacts. In the first part of this thesis, n_type poly_Si passivating contacts were fabricated using an inkjet printer with a phosphorus dopant ink. By …
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Development and Characterization of Inkjet-Printed Poly-Si Passivating Contacts for Silicon Solar Cells
… a maskless, scalable and cost_effective inkjet printing technique to fabricate both localized n_ and p_type poly_Si passivating contacts. In the first part of this thesis, n_type poly_Si passivating contacts were fabricated using an inkjet printer with a phosphorus dopant ink. By …
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Exploration of metal 3-D printing technologies for the microfabrication of freeform, finely featured, mesoscaled structures
… of sterling silver using stereolithography-printed wax masters, and binder inkjet printing of SS 316L) for the fabrication, using tens-of-microns sized voxels, of freeform, finely featured, mesoscaled metal structures part of compact systems. Characterization of the 3-D printing methods …
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Optimization of Electrode Configurations for Calibration-Free, Remote Sensing of Heavy Metals in Water Using Double-Potenital Step Anodic Coulometry
… work. We are targeting electrodes that can be inkjet printed directly onto a 3D-printed polymer electrochemical cell, simplifying the manufacturing processes and substantially decreasing the costs of the device. We began by investigating the impact of a membrane separating the counter electrode …
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Printing and coating of graphene and related materials for advanced devices
… and versatile. Indeed, they are the base of printed electronics, they are employed as functional coatings as well as added to matrices to create smart composites. Graphene and related materials inks combine all these characteristics with outstanding optical and electronical properties, …
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Graphene Inkjet Integrated Intelligent Sensors and Systems
… processing of these materials coupled with inkjet printing can be promising for fabricating low-cost devices. I have addressed the abovementioned challenges from the perspectives of materials, device fabrication, and algorithmic approaches. I develop an inkjet-printed array of graphene-ZnO …
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Graphene as transparent electrodes for solar cells
… cells with all-graphene electrode as well as inkjet-printed perovskite solar cells with graphene electrodes. Finally, we use graphene/perovskite Schottky barrier solar cells to gain a better understanding of carrier dynamics in perovskite films.
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Printing Conductive Paths for Electronic Functional Devices
… experience. Soft lithographic techniques and inkjet printing technology have offered simpler, lower costs and faster alternatives. One of the main objectives of this study is the contribution to these alternatives by utilising a cost-effective, simple and easy-to-use stamp printing machine in …
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Inkjet printing of resistive-type humidity sensor for harsh environments
… is successfully designed and fabricated by an inkjet printing method using a Dimatix materials printer (DMP-2800 series from Fujifilm). Construction of the sensors is based on inkjet printed interdigitated silver electrodes on a polyimide flexible substrate along with an inkjet printable …
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Lens Fabrication by Accelerated Phase-Change for Mobile Multimodal Microscopic Imaging
… by using the accelerated phase-change of inkjet-printed polydimethylsiloxane which enable fabrication of microscope lenses with precise focal length control. The lens can be self-adhered onto smartphone cameras and result in an imaging resolution of 1 µm, sufficient for biological cell …
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Pentacene integrated thin-film transistors and circuits
… polyethylene terephthalate (PET). Integration of inkjet printed organic photoconductors (OPDs) based on titanyl pthalocyanine with OTFTs is demonstrated for the first time in an integrated process. Using the OTFT as a switch in series with an OPD, a pixel circuit was designed and measured, in …
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Soft Electronics and Sensors for Wearable Healthcare Applications
… we have studied the silver nanoparticles (AgNPs) inkjet-printed on a polydimethylsiloxane (PDMS) substrate that offers great pressure sensitivity for aterial pulse monitoring. In addition, we have investigated the conducting polymer poly(3,4-ethylenedioxythiophene) polystyrene sulfonate …
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Development of conformal reconfigurable metamaterial-based antennas
… such as biomedicine, this work presents an inkjet-printed dipole antenna on flexible Kapton-foam substrate to be used on lossy host structures. The concept of Artificial Magnetic Conductor (AMC) unit cells is investigated for best impedance and gain performance. When integrated with a dipole …
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Designing a Hybrid Inkjet and Laser Manufacturing System for the Digital and Non-Contact Fabrication of Emerging Nanotechnology Based Devices
… deposit and pattern catalyst for VA-CNT Growth. Inkjet printing has been explored as the additive technology for depositing magnetite nanoparticles as catalyst, and laser ablation has been studied as a subtractive technique to pattern the catalyst for growing VA-CNT structures, using chemical …
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Flexible Electronics: Materials and Device Fabrication
… from them. Conductive ink formulations and inkjet printing of gold and silver on plastic substrates were examined. Line patterning and mask printing methods were also investigated as a means of selective metal deposition on various flexible substrate materials. These solution-based …
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