The czts film possesses promising characteristic optical properties. Our professional thesis writing service will do all the work for you. Fabrication and characterization of thinfilm transistor. Flexible floating thin film photovoltaic pv array concept for marine and lacustrine environments by kim trapani thesis submitted in partial fulfilment of the requirements for the degree of doctor of philosophy phd in natural resources engineering the school of graduate studies. Doping in zinc oxide zno thin films is discussed in this dissertation. Characterisation of surface treated cdznte and thin film cdte based devices by shumaila babar supervised by dr mark a. Gandrud phd thin film materials for liion batteries made. The thesis includes the results obtained during my ph. A laserannealing process was developed which crystallized the silicon film without damaging the optical fiber. A major goal has been to develop a working computational model of thinfilm transmission and reflection for our vanadium dioxide systems. Studies of transmission and reflection for an anisotropic. This research was financially supported by the projects sgs.
Finite element analysis of silicon thin films on soft. Fabrication and characterization of thin film transistor materials and devices. I hereby declare that i wrote this submitted thesis myself by using the results obtained. Introduction to thin film technology thin films and depositionthin films and deposition thin films monolayer several micrometers thin film properties may be different from those of bulkthin film properties may be different from those of bulk quantum confinement effect. Thin film deposition processes and characterization techniques parta thin film deposition processes 2a. Unfortunately, the film size and product throughput are limited by the current vacuumbased thin film deposition techniques. Solutionbased thin film deposition could archive a continuous large area thin film deposition of chalcogenides. The low cost, environmental harmless cu 2 znsns 4 cztsbased thin film solar cells are fabricated by using abundant materials. University of california riverside doping in zinc oxide thin. In this context, this thesis has focused on one particular building block of the vast and emerging field of organic electronics. Watts submitted for the degree of doctor of philosophy department of mechanical engineering sciences, faculty of engineering and physical sciences university of surrey guildford, surrey, gu2 7xh, uk. During the last many decades the methods of forming thin films materials have increased significantly.
Since then it has come a long way and today it is no longer a subject. In order to appreciate thin film device applications, it is essential to understand what thin films are, what makes them so attractive for applications, and how they are prepared and characterized. Introduction this thesis describes a generallyapplicable test method for measuring some key mechanical properties of thin films, including youngs modulus, breaking stress, and poissons ratio. The temperaturesensitive fabryperot interferometer was a silicon film with a thickness of 2 pm. The easiest and most common way of inferring film stress in a thin film wafer substrate system due to some process is to measure the curvature of the system before and after that process. Thin films of polypyrrole were prepared by dissolving polypyrrole in mcresol and cast using spin coating technique on glass substrates. Thin film electronics refer to devices composed from thin films of active semiconductors, dielectrics and metallic connects that are deposited over a supporting substrate, frequently silicon or glass. Wager this thesis focuses on two aspects of transparent electronics, sno2 transpar.
It will hopefully become evident as to why cucl adsorption uniformity plays such a vital role to the efficiency of cdte solar cells made at csu and how thinfilm. Fabrication and characterization of thinfilm transistors. Finite element analysis of silicon thin films on soft substrates as anodes for lithium ion batteries by joseph shaffer a thesis presented in partial fulfillment of the requirements for the degree master of science approved april 2011 by the graduate supervisory committee. Nanowire networks were deposited through simple spray coating method. The effect of the oxygen ecr plasma power on the growth rate, structural, electrical, and optical properties of the zno thin films were studied. The change in curvature then can be directly related to the film stress. Pdf manufacturing and modeling of an organic thin film. Characterization of cds thin films and schottky barrier. In this work, two techniques were developed for mechanical characterization, which satisfy the challenging requirements for thin film structures and devices. Novel processes for polysi thinfilm transistors on plastic. Pdf synthesis and characterization of perovskite barium. The sensitivity of the thin film on glass particle size of 50.
Terry alford, chair stephen krause jennifer kitchen. Modeling and optimization of pecvd processes and equipment used for manufacturing thin film photovoltaic devices submitted by engin ozkol in partial fulfillment of the requirements for the. Fabrication and characterization of thin film transistors with organic heterostructure of pentacene and ptcdic this final thesis aims to advance research on the use of organic materials to produce devices such as otfts organic thin film transistors or solar cells. Polypyrrole ppy was synthesized by chemical oxidative polymerization technique using monomer pyrrole and ammonium persulphate as an oxidant in a ratio of 1. Exploration of zno and znmgozno thin film transistors. In this thesis, silver nanowire based transparent thin film heaters were fabricated on quartz, soda lime silicate glass, polyethylene terephthalate pet substrates. The field of thin films, which can be defined as the confluence of materials science, surface science, and applied physics, has become an identifiable. Thin film transistors and integrated circuits abstract approved. Thin film deposition processes and characterization. The work in this thesis will focus on new cathode materials for application in. Vertical thin film transistors for large area electronics. Fortunately, yeh4 and schubert3 have a welldeveloped general model for anisotropic thinfilm systems based on berremans matrix formulation for thin film systems5.
Thin film electronics are widely used for applications, ranging from solar cells, batteries, transistors, light emitting diodes to sensors. Characterisation of surface treated cdznte and thin film cdte. Exploration of zno and znmgozno thin film transistors henning kittang remme thesis submitted in partial fulfillment of the requirements for the degree master of. Overview of thin film deposition techniques aims press. Liu, mcmaster university, chemical engineering iii abstract organic thin film transistors otfts have attracted great attention in the last couple of decades due to their potential of cost reductions in manufacturing lowend electronic devices through solution processes. Post processing treatment of ingazno thin film transistors for improved biasillumination stress reliability by muhammad ruhul hasin a thesis presented in partial fulfillment of the requirements for the degree master of science approved july 20 by the graduate supervisory committee. The design of the stable thin film temperature sensor considered the potential sources of both short and long term drifts. View thin film physics research papers on academia. Thin solid films is an international journal that serves scientists and engineers working in the fields of thin film synthesis, characterization, and applications. The optimizations of undoped zno thin film growth using molecularbeam epitaxy mbe are discussed. Synthesis and characterization of polypyrrole ppy thin films.
Hanqing jiang, chair subramaniam rajan pedro peralta. Morasch a thesis submitted in partial fulfillment of the requirements for the degree of master of science in materials science and engineering washington state university school of mechanical and materials engineering may 2005. Design and construction of nanostructure tio2 thin film gas. Compilation of electrical data for sputter deposited zno thin films with several. Chair of committee, debjyoti banerjee committee members, n. Chapter 1 introduction to thin films and heterostructures. Thin films exhibit different physical properties than the same metal in bulk. Nanoindentation induced thin film fracture by kevin r. Development of cztsbased thin film solar cells sciencedirect. Best online thesis writing services, professional thesis writing services, and master thesis writing services at low cost. The prospect of producing nanometer channellength thin film transistors tfts for active matrix addressed pixelated arrays opens up new highperformance applications in which the most amenable device topology is the vertical thin film transistor vtft in view of its small area. A new method for thinfilm materials characterization. Presley for the degree of master of science in electrical engineering and computer science presented on february 27, 2006.
The classical relation between film stress and wafer curvature is known as the. One such property is that a thin films crystal lattice orientation changes as it is annealed at. The stability issue is a common challenge that all new tft technologies are facing. Post processing treatment of ingazno thin film transistors. Surface morphological, structural, compositional and optical properties of the film were investigated by various techniques such as sem, xrd. H, crytalline silicon csi or gallium nitride gan respectively that was imposed on a quartz substrate that did not absord light itself in the visible, near ir and uv ranges. In general, thin film is a small thickness that produces by physical vapour deposition pvd. A new method for thinfilm materials characterization 1 1. After filling out all the data, the application is sent to the auction, in things about myself essay which all registered authors will see it. An abstract of the thesis of oregon state university. Magnetron sputtering is a widely used technique for thin film deposition. Perovskite barium titanate batio 3 nanocomposite thin film has been prepared using spin coating technique.
897 516 672 488 1270 370 62 1047 365 55 1430 169 331 1353 459 787 1128 1468 140 331 573 640 1452 1484 482 201 346 1224 1054