Lithographic Patterning Processes For Organic Electronics And Biomaterials
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Lithographic Patterning Processes For Organic Electronics And Biomaterials
Organic electronics is a newly developed field that promises inexpensive, mechanically-flexible, large-area devices. Through the use of solution-processable organic materials, electronic devices can be fabricated on large-area, lightweight, flexible substrates to produce a new class of electronics. Patterning methods for organic electronics represents one of the major obstacles to be overcome in organic device fabrication. A high-resolution, high-throughput system with good registration capabilities is required to realize the potential for organic electronics, both in performance and commercialization. The well-established photolithographic patterning method has only been marginally useful in patterning organic electronic materials due to incompatibility issues between the organic materials and conventional lithographic processing solvents and resists. Many alternate patterning methods have thus been developed, however none of which are able to match photolithography in resolution and throughput. This thesis presents research performed toward the goal of developing lithographic patterning methods for organic electronic devices. Each section of this thesis describes a different resist system, which was developed for patterning organic electronic devices. All of the systems consist of fluorinated resist materials, which were designed and synthesized to be fully processable in hydrofluoroether solvents. These fluorinated materials and solvents can be used to lithographically pattern organic electronic devices in a high-resolution and highthroughput manner, without the typical incompatibility issues that exist between organic materials and conventional processing solvents and resists.
Biomimetic Approaches for Biomaterials Development
Biomimetics, in general terms, aims at understanding biological principles and applying them for the development of man-made tools and technologies. This approach is particularly important for the purposeful design of passive as well as functional biomaterials that mimic physicochemical, mechanical and biological properties of natural materials, making them suitable, for example, for biomedical devices or as scaffolds for tissue regeneration. The book comprehensively covers biomimetic approaches to the development of biomaterials, including: an overview of naturally occurring or nature inspired biomaterials; an in-depth treatment of the surface aspects pivotal for the functionality; synthesis and self-assembly methods to prepare devices to be used in mineralized tissues such as bone and teeth; and preparation of biomaterials for the controlled/ sustained release of bioactive agents. The last part reviews the applications of bioinspired materials and principles of design in regenerative medicine such as in-situ grown bone or cartilage as well as the biomimetic techniques for soft tissue engineering. The comprehensive scope of this book makes it a must-have addition to the bookshelf of everyone in the fields of Materials Science/Engineering, Nanotechnologies / Nanosciences, Medical Sciences, Biochemistry, Polymer Chemistry, and Biomedical Engineering.
Handbook of Flexible Organic Electronics
Organic flexible electronics represent a highly promising technology that will provide increased functionality and the potential to meet future challenges of scalability, flexibility, low power consumption, light weight, and reduced cost. They will find new applications because they can be used with curved surfaces and incorporated in to a number of products that could not support traditional electronics. The book covers device physics, processing and manufacturing technologies, circuits and packaging, metrology and diagnostic tools, architectures, and systems engineering. Part one covers the production, properties and characterisation of flexible organic materials and part two looks at applications for flexible organic devices. - Reviews the properties and production of various flexible organic materials. - Describes the integration technologies of flexible organic electronics and their manufacturing methods. - Looks at the application of flexible organic materials in smart integrated systems and circuits, chemical sensors, microfluidic devices, organic non-volatile memory devices, and printed batteries and other power storage devices.