device modeling of nano structured solar cells

recent progress in the development of nano - structured conducting

Ngày tải lên : 20/03/2014, 13:06

... oriented synthesis of nanowires/nanotubes/nanoparticles Mostly, the formation of CP nanostructures relies on the guidance of templates for example, channels of zeolites [79] or nanoporous membranes ... methodologies of nano- structured conducting polymers and polymer composites and their potential applications in the ﬁeld of nanosensors/biosensors 1.1 Nano- structured conducting polymers and polymer nanocomposites ... to prepare the nano- structured conducting polymers and polymer nanocomposites The study also demonstrates the role of nano- structured conducting polymers in the emerging ﬁeld of nanosensors/biosensors...

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Báo cáo toán học: " Enhancement of the photoelectric performance of dye-sensitized solar cells by using Ag-doped TiO2 nanofiber in TiO2 nanoparticle film as an electrode" pot

Ngày tải lên : 20/06/2014, 20:20

... Thickness effect of RF sputtered TiO2 passivating layer on the performance of dye-sensitized solar cells Solar Energy Mater Solar Cells 2011, 95:344348 Umar A: Growth of comb-like ZnO nanostructures ... dye-sensitized solar cells Solar Energy Mater Solar Cells 2006, 90:1176-1188 10 Ko KH, Lee YC, Jung YJ: Enhanced efficiency of dye-sensitized TiO2 solar cells (DSSC) by doping of metal ions J ... morphology of prepared titanium dioxide nanofibers by electrospinning J Nanosci Nanotechnol 2010, 10:3402-3405 17 Li D, Xia Y: Fabrication of titania nanofibers by electrospinning Nano Lett 2003,...

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Báo cáo hóa học: " Performance characteristics of polymer photovoltaic solar cells with an additiveincorporated active layer" docx

Ngày tải lên : 20/06/2014, 23:20

... chlorobenzene and different amounts of 1,8-octanedithiol Kim et al Nanoscale Research Letters 2012, 7:56 http://www.nanoscalereslett.com/content/7/1/56 Page of The J-V curves of devices, which are solution-processed ... Photovoltaic response of solar cell devices with chlorobenzene and different amounts of 1,8-octanedithiol, Jsc, PCE, Voc, and FF Kim et al Nanoscale Research Letters 2012, 7:56 http://www.nanoscalereslett.com/content/7/1/56 ... Because of this reason, the film with 3.5 vol.% of 1,8-octanedithiol exhibited the best device performances in this work Conclusions The performance characteristics of BHJ polymer solar cells based...

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báo cáo hóa học:" Performance characteristics of polymer photovoltaic solar cells with an additiveincorporated active layer" pdf

Ngày tải lên : 21/06/2014, 17:20

... chlorobenzene and different amounts of 1,8-octanedithiol Kim et al Nanoscale Research Letters 2012, 7:56 http://www.nanoscalereslett.com/content/7/1/56 Page of The J-V curves of devices, which are solution-processed ... Photovoltaic response of solar cell devices with chlorobenzene and different amounts of 1,8-octanedithiol, Jsc, PCE, Voc, and FF Kim et al Nanoscale Research Letters 2012, 7:56 http://www.nanoscalereslett.com/content/7/1/56 ... Because of this reason, the film with 3.5 vol.% of 1,8-octanedithiol exhibited the best device performances in this work Conclusions The performance characteristics of BHJ polymer solar cells based...

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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

Ngày tải lên : 22/06/2014, 18:20

... shows the SEM images of nanostructured fly ash after different times of ball milling Figure (C and D) corresponds to the photomicrographs of nano- structured fly ash after 20 h of ball milling The ... size of the single fly ash particle is in the nanometer range after 60 h of ball milling Thus nano- structured materials are expected to be present in the ball milled fly ash Also the surface of the ... texture of the fresh as well as nano- structured fly ash were studied using Secondary Electron Imaging (SEI) mode of Scanning Electron Microscopy (SEM) Figure 9(A and B) shows the SEM 123 Nanoscale...

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Advanced luminescence based characterisation of silicon wafer solar cells

Ngày tải lên : 09/09/2015, 17:58

... spectroscopy of silicon wafer solar cells 123 Polarization analysis of luminescence for characterization of silicon wafer solar cells 6.1 125 The nature of polarization ... production of solar cells This form of characterization has potential to reduce the cost of processing solar cells, and to provide information for an additional control mechanism for optimization of ... multicrystalline silicon wafer solar cells 101 Luminescence spectroscopy for characterization of silicon wafer solar cells 5.1 103 Evaluation of the textured silicon wafer solar cell using luminescence...

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Mathematical modeling of direct liquid fuel cells multidimensional analytical solutions and experimental validation

Ngày tải lên : 10/09/2015, 08:26

... COMSOL Multiphysics; Mathematical Modeling; Design of Experiments List of Tables 1.1 Reactions of popular liquid fuels for the DLFC 1.2 Types of scenarios modeling can aid in ... obtained based on experimental studies of the diÔusion layers of an operating cell One other important aspect of two phase modeling is the determination of the eÔective permeability, e , which ... M inlet methanol concentration 6.4 68 Rate of convergence of analytical solutions as a function of number of eigenvalues (normalized with the solution for 100 eigenvalues)...

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Fabricataion of dye sensitized solar cells with enhanced energy conversion efficiency

Ngày tải lên : 10/09/2015, 08:28

... solar cells and CuInSe solar cells, several advantages of DSSCs make them competitive for conventional solar cells Firstly, the fabrication cost is quite low compared to silicon-based solar cells ... photoelectrochemical solar cells Table 2.2 Some representative CP sensitizers Table 3.1 BET results for nanofibers with different TiO grain size Table 3.2 Device characteristics of DSSCs made of TiO nanorods ... oxidation state of the Ppy layer had great effect on J-V characteristics of the device At optimized conditions, the device showed V oc of up to 670 mV and J sc of 82 μA cm-2, yielding η of 0.10% at...

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A STUDY OF DYE SENSITIZED SOLAR CELLS WITH IN SITU POLYMERIZED POLY (3,4 ETHYLENEDIOXYTHIOPHENE) AS HOLE TRANSPORTING MATERIAL

Ngày tải lên : 26/09/2015, 10:05

... not enjoyed by other types of solar cells 1.2 Dye sensitized solar cells (DSSCs) The dye-sensitized solar cells (DSSCs) is a kind of nanostructured photoelectrochemical device In 1968, the dye was ... recently Third-generation solar cells include bulk heterojunction solar cells, [9, 10] organic solar cells, [11] dye sensitized solar cells[ 12] and quantum dot solar cells. [13, 14] The charge separation ... structure of dye sensitized solar cells Figure 1.4 The principle of operation of dye sensitized solar cells .9 Figure 1.5 The typical structures of solid-state dye sensitized solar cells...

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Mathematical modeling and analysis of organic bulk heterojunction solar cells

Ngày tải lên : 09/09/2015, 11:20

... stability of organic solar cells, further research and development are needed in the theoretical understanding of device physics, the design and synthesis of new materials, the development of new device ... properties can be achieved [90] The characteristics of this type of 'pseudo-bilayer' devices will be investigated with the help of device modeling in chapter of this thesis Tuning the solution-processing ... structure-property relations of these special `pillar -structured' donor/acceptor solar cells shall be investigated numerically in chapter of the thesis Accurate quanti cation of the nanoscale D/A morphology...

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Synthesis and characterization of silicon nanowires using tin catalyst for solar cells application

Ngày tải lên : 16/03/2014, 15:12

... characteristics of the fabricated SiNWs solar cell under dark and light conditions the thickness of Si base substrate more thinly For improvement of conversion efficiency of the SiNWs solar cells, the ... reduction of the reflectance will be expected from the optimization of the synthesis conditions of SiNWs For analysis of the electrical properties, the I–V curve of the fabricated SiNWs solar cell ... difference of the reflectance might be the effect of synthesis conditions, such as thickness of metal film and SiH4 gas flow The reduction of reflectance is very helpful to improve the solar cell...

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current status of micro and nano structured optical fiber sensors

Ngày tải lên : 19/03/2014, 16:47

... analysis of the interplay of the microscopic parameters allowed to additionally explain the trends of the samples when operated in regions situated outside of the standard model validity 14 Page 14 of ... Nanotechnology, 18 (2007) - 16 Page 16 of 27 [20] E.H Hall, On a new action of the magnet on electrical current American Journal of Mathematics, (1879) 287-292 [21] R.S Popovic, Hall-effect devices: ... Central Institute of Physics, Bucharest, Romania ip t in 1996 He is senior scientist in the Gas Sensor Group of the University of Tübingen, Germany The research fields: thin films solar cells, high...

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Optimal Design of a Hybrid Electric Car with Solar Cells pptx

Ngày tải lên : 30/03/2014, 10:20

... particular structure considered FIG – A PROTOTYPE OF SOLAR CAR FIG - SCHEME OF THE SERIES HYBRID SOLAR VEHICLE (SEE NOMENCLATURE) PV EG ICE II STRUCTURE OF THE SOLAR HYBRID VEHICLE As it is known, two ... Nagayoshi H., Kamisako K (1997), Evaluation of an Electric Motor and Gasoline Engine Hybrid Car Using Solar Cells, Solar Energy Material and Solar Cells (47), 1997 [10] Seal M.R (1995), Viking ... Study of the Design Variables for a Hybrid Electric Car with Solar Cells, Proc of METIME Conference, June 2-3, 2005, University of Galati, RO [19] Ahman M (2001), Primary Energy Efficiency of Alternative...

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physics and technology of amorphous-crystalline heterostructure silicon solar cells [electronic resource]

Ngày tải lên : 29/05/2014, 23:53

... simulation studies of the performance of heterojunction silicon solar cells are very important in order to understand the operation of the solar cells and optimize the design of solar- cell structures ... silicon (c-Si) solar cells and thin-film silicon solar cells Wafer-based c-Si solar cells dominated the PV market in 2008 with an overall share of 87%, and feature a high module efficiency of 12 to ... structure of heterojunction a-Si:H/c-Si solar cells made by Sanyo and b) performance of the solar cell as a function of p-type a-Si:H thickness [18] 2 Heterojunction Silicon Based Solar Cells 23...

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physics and modeling of tera- and nano-devices, 2008, p.194

Ngày tải lên : 04/06/2014, 14:40

... computational aspects of device modeling We thank the financial support from University of Aizu, Los Alamos National Laboratory, Air Force Office of Scientific ResearchJAsian Office of Airspace Research ... Semiconductor Device Scaling 455 That is, the performance of the nanowire, or CNT, device is dominated by parasitic properties, not by any intrinsic properties of the nanowire device Does this mean that nanowire, ... third component of increased complexity on modem chips - circuit cleverness We turn to a consideration of these nanowire devices in Sec 4, where we mention a number of nanowire devices that have...

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Báo cáo hóa học: "Hybrid approach of ventricular assist device and autologous bone marrow stem cells implantation in end-stage ischemic heart failure enhances myocardial reperfusion" doc

Ngày tải lên : 18/06/2014, 16:20

... efficacy of the method Since the net “healing” capacity of BMSCs is difficult to determine, imaging of transplanted stem cells is crucial in order to investigate the attitude of the engrafted stem cells ... support (Figure 1) A stem cells injectate including a mixed population of endothelial progenitor cells (CD133 + ), haematopoietic stem cells (CD34 + ), and Figure A full range of cardiac support technology ... number of functionally competent cells [17] Therefore, formation of myocytes and coronary vasculature cannot counteract the chronic loss of functional cells and Page of vascular structures [5] This...

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Báo cáo hóa học: " Controllable synthesis of flake-like Al-doped ZnO nanostructures and its application in inverted organic solar cells" doc

Ngày tải lên : 20/06/2014, 22:20

... characteristics of IOSCs with different Al concentrations (d) The J-V characteristics of devices based on ZnO/P3HT hybrid solar cells Fan et al Nanoscale Research Letters 2011, 6:546 http://www.nanoscalereslett.com/content/6/1/546 ... effects of the electrical property and morphology characteristics of flake-like AZO nanostructures on the performance of the IOSC devices were investigated It is found that the PCE of the IOSC devices ... The influence of interface modifier on the performance of nanostructured ZnO/polymer hybrid solar cells Appl Phys Lett 2009, 94:063308 Wu SJ, Tai QD, Yan F: Hybrid Photovoltaic Devices Based...

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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

Ngày tải lên : 20/06/2014, 23:20

... carbon nanotube thin films for efficient counter electrode of dye-sensitized solar cells ACS Nano 2010, 4:3503-3509 Ramasamy E, Lee WJ, Lee DY, Song JS: Spray coated multi-wall carbon nanotube ... with the objective of evaluating the electrochemical properties of the counter electrodes and the energy conversion efficiencies of cells Figure shows the Bode phase plots of the DSSCs with graphenes, ... reduction in dyesensitized solar cells Electrochem Commun 2008, 10:1087-1089 Koo B-K, Lee D-Y, Kim H-J, Lee W-J, Song J-S, Kim H-J: Seasoning effect of dye-sensitized solar cells with different counter...

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Báo cáo hóa học: " Improved conversion efficiency of Ag2S quantum dot-sensitized solar cells based on TiO2 nanotubes with a ZnO recombination barrier layer" pdf

Ngày tải lên : 21/06/2014, 01:20

... level of Ag S is lower than that of TiO2 as shown in Figure 6a[40], but the CB level of CdS is higher than that of TiO2 Therefore, the electron transfer is more efficient in CdS/TNT solar cells ... Bisquert J: Properties of the electronic density of states in TiO2 nanoparticles Chen et al Nanoscale Research Letters 2011, 6:462 http://www.nanoscalereslett.com/content/6/1/462 Page of surrounded with ... deposited in large numbers on the Page of inner surface of TNTs due to the limited space in TNTs, while the number of Ag2S QDs deposited on the surface of nanocrystalline TiO2 film is almost not...

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