Design, fabrication and characterization of thin film materials for heterojunction silicon wafer solar cells
Design, fabrication and characterization of thin film materials for heterojunction silicon wafer solar cells
... integration into heterojunction silicon wafer solar cells and subsequently the modelling of heterojunction and hybrid heterojunction silicon wafer solar cells that utilize these films Three key ... monocrystalline/multicrystalline solar cells, thin- film solar cells, organic solar cells, tandem cells, concentrator cells and varying choice of materials such as silicon, gallium arsenide (GaAs), ... micro Raman spectroscopy analysis of doped silicon thin film layers and its feasibility for heterojunction silicon wafer solar cells , Journal of Materials Science and Chemical Engineering (2013)...
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Design, fabrication, and characterization of a solenoidsystem to generate magnetic field for an ECR proton source
... 2006 Acquisition and analysis of Langmuir probe characterization for ECR plasma Indian J Phys 80: 1011–1015 Jain S K, Jain A, Hannurkar P R, Kotaiah S 2007 Characterization of plasma parameter, ... distance for (a) mirror magnetic field, and (b) flat magnetic field the magnetic field can cause diffusion of the plasma particles to the wall of the plasma chamber The measured magnetic field profiles along ... using standard relations for calculating magnetic field Design, fabrication, and characterization of a solenoid system 463 Table The optimized design parameters for solenoid coil with iron jacket...
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design, synthesis, and characterization of polymeric materials for uses in energy storage applications
... focuses on the design, synthesis, and characterization of polymeric materials for energy storage applications, which include small molecule electrolyte additives, solid polymer electrolyte, and gel ... numbers of other synthetic polymers were developed and commercialized in response to the growing need for new materials in the automotive and aerospace industries Some of these new materials include ... favoring the formation of crystalline regions A branched polymer contains branching sites along the polymer chain, which disrupts the ability of the chains to closely pack together and form crystalline...
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Fabrication and characterization of memory devices based on organic polymer materials
... structure for memory application Results of the present study may enhance our understanding of the application of organic and polymer materials to the organic memory device and it may also contribute ... observed from a lot of organic/ polymer materials based device since 1960s, none of the devices based on these materials can fulfill all the requirements for memory application It is commonly known that, ... technologies based on organic materials are still at the conceptual and experimental levels, while some of those based on inorganic materials are almost matured and are identified as prototypical memory...
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fabrication and characterization of anodic titanium oxide nanotube arrays of controlled
... on working electrodes made of highly ordered anodic titanium oxide nanotube arrays of varied tube length directly formed on Ti foil The lengths of these ATO NT were controlled from to 41 µm while ... Because of the robust structure of the NT arrays and the loose structure of the surface debris, the unwanted deposits on the ATO surface Anodic TiO2 Nanotube Arrays for DSSC J Phys Chem C, Vol ... SEM images of ATO NT after ultrasonic cleaning: (a) top view and (b) side view The inset of (a) shows the enlarged pattern of the ATO NT arrays Figure Length of ATO NT (L) as a function of anodization...
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Báo cáo hóa học: " Fabrication and characterization of carbon-based counter electrodes prepared by electrophoretic deposition for dye-sensitized solar cells" doc
... processing of large-scale graphene Nat Nanotech 2009, 4:25-29 doi:10.1186/1556-276X-7-53 Cite this article as: Kim et al.: Fabrication and characterization of carbon-based counter electrodes prepared by ... graphene, SWNTs, and graphene-SWNT composites could perform sufficiently well as counter electrodes for DSSCs Figure Nyquist plot of DSSCs Nyquist plot of DSSCs with different counter electrodes: ... 535-bisTBA, Solaronix, Aubonne, Switzerland) with a concentration of 0.5 mmol/L in ethanol for a period of 36 h at room temperature After that time, the TiO2 electrode and counter electrode were sandwiched...
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báo cáo hóa học:" Fabrication and characterization of carbon-based counter electrodes prepared by electrophoretic deposition for dye-sensitized solar cells" pot
... processing of large-scale graphene Nat Nanotech 2009, 4:25-29 doi:10.1186/1556-276X-7-53 Cite this article as: Kim et al.: Fabrication and characterization of carbon-based counter electrodes prepared by ... graphene, SWNTs, and graphene-SWNT composites could perform sufficiently well as counter electrodes for DSSCs Figure Nyquist plot of DSSCs Nyquist plot of DSSCs with different counter electrodes: ... nanocomposites and SWNTs Conclusion In this report, we demonstrated the fabrication of carbon nanomaterials deposited on FTO substrates by the EPD method and their application as counter electrodes for...
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báo cáo hóa học:" Fabrication and characterization of well-aligned and ultra-sharp silicon nanotip array" ppt
... Fabrication and characterization of well-aligned and ultra-sharp silicon nanotip array Chi-Chang Wu*1,2, Keng-Liang Ou1,2, and Ching-Li Tseng1 Graduate Institute of Biomedical Materials and ... process, and the exposed silicon substrate is etched away to form the nanotip The field emission property of the ultra-sharp nanotip is measured, and the turn-on field and work function of the ultra-sharp ... of nanotips were measured at room temperature Figure 3a shows the typical FE curves of the pyramid-like tip and sharpened nanotip Inset of Figure 3a displays the real-time SEM images of the nanotip...
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Báo cáo hóa học: " Preparation and Characterization of Nano structured Materials from Fly Ash: A Waste from Thermal Power Stations, by High Energy Ball Milling" potx
... photomicrographs of fresh and modified fly ash (A and B) SEM of fresh fly ash at 1,000 and 2,500 times magnification, (C and D) SEM of ball milled fly ash for 20 h at 1,000 and 3,000 times magnification, (E and ... 10:1 ratio of balls to fly ash and milling chamber and balls were of tungsten carbide, the ball diameter was 10 mm Toluene was used as the medium with an anionic surface active agent to avoid agglomerations; ... utilization of fly ash and with understanding of potential environmental and health impacts associated with its disposal by land filling In this paper an attempt has been made to modify the fly ash by...
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Large area plasmonic nanostructures design, fabrication and characterization by laser
... LARGE AREA PLASMONIC NANOSTRUCTURES DESIGN, FABRICATION AND CHARACTERIZATION BY LASER XU LE (M Eng, Xi'an Jiaotong University) A THESIS ... thesis aims to design and fabricate desirable nanostructures over a large area by low-cost and flexible nanofabrication methods to accomplish and improve sensing sensitivities of plasmonic bio/chemical ... the design and fabrication of plasmonic nanostructures over a large area using scalable, rapid and inexpensive nanofabrication tools, such as laser nanofabrication and thermal annealing, with the...
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Fabrication and characterisation of solid phase crystallised plasma deposited silicon thin films on glass for photovoltaic application
... FABRICATION AND CHARACTERISATION OF SOLID- PHASE CRYSTALLISED PLASMADEPOSITED SILICON THIN FILMS ON GLASS FOR PHOTOVOLTAIC APPLICATIONS AVISHEK KUMAR (B.Eng., MSc-Microelectronics) A ... of silicon and hydrogen, both of which are non-toxic and present in great abundance on earth SPC poly-Si is formed from amorphous silicon (a-Si) by a standard process of deposition of a-Si on glass ... semiconductors and as an emitter for the formation of thin- film solar cells [17, 20] The use of c-Si wafers is good for the demonstration of a concept, but it is not economical and finds no application at...
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2D and 3d terahertz metamaterials design, fabrication and characterization
... control and manipulate terahertz waves 1.4 Organization of thesis This thesis is directed towards to the design, fabrication, and characterization of terahertz metamaterials in 2D and 3D forms and ... Tunable and Broadband Terahertz Metamaterials: Design, Fabrication, and Characterization 66 5.1 Structurally tunable metamaterials 66 5.2 2D hybrid terahertz metamaterials ... the 2D planar metamaterials, (b) image of a 3D terahertz metamaterials tube fabricated at a diameter of 4.00 mm, and (c) illustration of the fabrication process of the 3D metamaterials tube, and...
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Fabrication and characterization of advanced ALGaNGaN high electron mobility transistors
... energy bandgap, and high electron mobility High electron mobility transistors (HEMTs) employing the AlGaN/GaN heterostructure further exploit the high electron mobility in the two-dimensional electron ... Abstract Fabrication and Characterization of Advanced AlGaN/GaN High- Electron- Mobility Transistors by LIU Xinke Doctor of Philosophy − Electrical and Computer Engineering National University of Singapore ... FABRICATION AND CHARACTERIZATION OF ADVANCED AlGaN/GaN HIGH- ELECTRON- MOBILITY TRANSISTORS LIU XINKE (B APPL SC (HONS.)), NATIONAL UNIVERSITY OF SINGAPORE A THESIS SUBMITTED FOR THE DEGREE OF...
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Fabrication and characterization of germanium photodetectors
... FABRICATION AND CHARACTERIZATION OF GERMANIUM PHOTODETECTORS WANG JIAN B Sci (Peking University, P R China) 2006 A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY DEPARTMENT OF ELECTRICAL ... due to its ease of process Due to the bandwidth-efficiency tradeoff, typical NI incidence Ge photodetectors offer moderate quantum efficiencies and bandwidths Among the reported NI photodetectors, ... (=0.63%) and SiGe buffer (=0.12%) Inset shows the light and dark current leakage of SEG Ge on SiGe and Si/SiGe buffer layers for detectors with diameters of 28 m and lateral spacing of 0.2 m...
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Fabrication and characterization of composite membranes for gas separation
... Comparison of separation performance for hollow fiber membranes between the O2/N2 mixed gas and pure gas measurements……… … 245 Table B.3 Comparison of separation performance for hollow fiber membranes ... FABRICATION AND CHARACTERIZATION OF COMPOSITE MEMBRANES FOR GAS SEPARATION JIANG LANYING (B Sci., Wuhan University, P R China) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHYLOSPHY ... application of gas separation is the separation of noncondensible gases such as Nitrogen enrichment from air, natural gas purification, and Hydrogen recovery from nitrogen and refinery 1.2.1 Nitrogen and...
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