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 15 of 15 for “"Ink formulation"”.
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Printable 2d Material Optoelectronics and Photonics
… fabrication strategy. However, the current inks are far from ideal to support reproducible device fabrication. In addition, the instability of BP in ambient limits its applications. In this thesis, I present formulation of 2d material inks for inkjet printing for optoelectronic and photonic …
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Maintaining Functionality of Biological Materials during Fluid–based Manufacturing
Drop on demand inkjet printing and extrusion–based printing enable 2D and 3D structures to be produced with high spacial resolution, highly applicable for the pharmaceutical industry where constructs can be used for tissue engineering, drug discovery and drug delivery applications. However, both of …
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Production and characterisation of nanoparticulate silicon photovoltaic devices
… thesis outlines the particle production process, ink formulation technique, and the device fabrication process. Results from the physical characterisation of the nanopowders and printed layers using optical and scanning electron microscopy, as well as an analysis of the electrical performance of …
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Polymer based materials for printed batteries
… printed batteries is not simple and requires the ink formulation to be optimized for each printing technique. The ink formulation of the different materials needed for developing printed batteries has been little explored for the development of energy storage systems. Several works have been …
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Piezoresistive Hybrid Nanocomposites for Strain and Damage Sensing: Experimental and Numerical Analysis
… infiltration techniques, the author develops an inkjet printing procedure with a new water-based CNT ink to fabricated printed nanocomposites on both polyimide film (Kapton) and paper with high device-to-device reproducibility. The ink formulation, as well as the substrate surface treatment, have …
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Materials for bioimplantable / bioresorbable electronics
… The last chapter describes a conductive ink formulation that exploits electrochemical sintering of Zn microparticles in aqueous solutions at room temperature, with relevance to emerging classes of biologically and environmentally degradable electronic devices. The resulting …
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Development of novel optical sensors
… sensitivity of a water-based, CO₂- responsive ink are reported and compared to those of a similar solvent-based indicator. An investigation into the effect of humidity and temperature on CO₂ sensitivity was carried out, as well as the effect of plasticiser and base concentration on the response …
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Preparation and characterisation of inks for let printing onto textile materials
The feasibility of using thermal drop-on-demand ink jet printing to print pigmented ink systems onto textile materials was investigated. Preliminary studies showed that a novel binder system, Synthappret BAP (traditionally used as a shrink resist treatment for wool), could be successfully …
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Inkjet printing: technique and applications for organic electronic devices
… organic transistors and sensors. Among them, Inkjet Printing is a promising technique which exploits all the advantages of organic materials, such as low-cost and solution processability, and allows the large-scale automated fabrication of large area devices. This thesis describes the work …
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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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Inkjet Printing of 2d Materials on Flexible and Rigid Substrates
… When these materials are formulated into inkjet printable inks, they can be incorporated with current inkjet printing technology. This strategy allows mask-less, large-area and low-cost deposition of 2d materials for next generation device fabrication. However, the current inks are far …
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Two-dimensional material enhanced dielectric and conductive inks for printable electronics
… conductive, semiconducting, and dielectric inks with printing technologies enables the production of low-cost, large-scale electronic devices and systems. There are some drawbacks of current functional inks, such as high material cost, complex processing requirements, and low electrical …
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2d-Material Dispersion and Printing: From Laboratory to Commercial Scale
… two-dimensional (2d)-materials into inks suited for mature printing techniques has emerged as a viable method for cost-effective and large-scale device fabrication. Many demonstrations are conducted on a small scale, but successful upscaling that would enable the ubiquitous uptake of …
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ADDITIVES FOR THE IMPROVEMENT OF THE PERFORMANCE OF ORGANIC AND HYBRID PHOTOVOLTAIC
… active layer. Having a good solution-processable formulation is crucial during the device fabrication, mostly in the industrial large scale deposition. With this respect, to decrease the imperfection in the final thin-film and improve the ink formulation, some additives were added to fluidify and …
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Aerosol-Jet Printed Nanocomposites for Flexible and Stretchable Thermoelectric Generators
… allows functional materials to be printed from inks with a wide range of viscosities and constituent particle sizes and shapes. The morphological and TE properties of AJ-printed nanocomposite structures were then evaluated as a function of the composition so that optimum ink formulation and …