Interface studies for microcrystalline silicon thin film solar cells deposited on TCO coated planar and textured glass superstrates

... µc-Si:H thin- film solar cells deposited on TCO- coated planar glass superstrates 45 4.1 Establishing a baseline for thin- film µc-Si:H solar cells at SERIS: No buffer layer (reference cells) ... Abstract: An interface optimization for microcrystalline silicon (µc-Si:H) thin- film solar cells on glass superstrates is undertaken, focusing on the two most important interfaces of this type of solar ... p/i interface of thin- film µc-Si:H solar cells on the solar cell performance 73 5.1 Requirements for the buffer layers 73 5.2 Modelling of silicon thin- film layers and of a reference thin- film...

Investigation of advanced light trapping concepts for plasma deposited solid phase crystallised polycrystalline silicon thin film solar cells on glass

... INVESTIGATION OF ADVANCED LIGHT TRAPPING CONCEPTS FOR PLASMA- DEPOSITED SOLID PHASE CRYSTALLISED POLYCRYSTALLINE SILICON THIN- FILM SOLAR CELLS ON GLASS YING HUANG (M.Sc., ... removal of the reaction product, is a promising light trapping method for the poly-Si on glass thin- film PV technology To achieve good light trapping for poly-Si thin- film solar cells on glass, ... Crystalline silicon on glass (CSG) thin- film solar cell modules, Solar Energy, 77 (2004) 857-863 [17] A.G Aberle, Progress with polycrystalline silicon thin- film solar cells on glass at UNSW, Journal of...

Post crystallisation treatment and characterisation of polycrystalline silicon thin film solar cells on glass

... POST- CRYSTALLISATION TREATMENT AND CHARACTERISATION OF POLYCRYSTALLINE SILICON THIN- FILM SOLAR CELLS ON GLASS HIDAYAT (B Eng (Hons.), NUS) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY ... Fabrication and Characterisation of Polycrystalline Silicon Thin- film Solar Cells 2.1 Background and Current Status 2.2 Challenges for the Progress of Poly-Si Thin- film Solar Cells on Glass ... Determination of dopant concentration profiles and p-n junction location is crucial for the development of efficient poly-Si thin- film solar cells on glass The determination of the junction location is one...

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Design, construction and testing of an i v tester for thin film solar cells and mini modules

... 2: LITERATURE REVIEW The T-Sunalyzer is designed for I- V characterization of thin- film solar cells or minimodules and determination of efficiency and other device parameters For an ideal solar ... ease of integration Thin- film PV is an important technology for building-integrated photovoltaics (BIPV), vehicle PV rooftop or solar chargers for mobile devices In the long run, it is foreseen ... technologies require significantly less active materials to build solar cells The main advantages of thin film cells are reduced manufacturing cost, potentially lighter weight, flexibility and ease of...

Design, construction and testing of an i v tester for thin film solar cells and mini modules

Laser chemical processing (LCP) of poly silicon thin film

... 1.1 Thin film solar cells …………………………………………… 1.2 Doping of poly- silicon thin films……………………………… 1.3 Application of Nd:YAG laser – a literature review …………… 1.4 Laser Chemical Processing (LCP) ………… ... LASER CHEMICAL PROCESSING (LCP) OF POLY- SILICON THIN FILM SELVEN VIRASAWMY (B Eng M Eng, NUS) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY DEPARTMENT OF MECHANICAL ... solar cells using this technology [9] Another silicon- based technology is poly- silicon thin film Poly- silicon (polycrystalline silicon or poly- Si) thin film is a common semiconductor material driving...

Báo cáo hóa học: " Au Nanoparticles as Interfacial Layer for CdS Quantum Dot-sensitized Solar Cells" pdf

... ultrathin layer However, using nanosized Au as interfacial layer in the photoanode for improving the QDSSC performance has seldom been reported despite their expected potential to enhance the solar ... performance of QDSSCs can be achieved for the photoanode assembled with CdS in about 12 SILAR cycles Direct deposition of CdS on screen-printed TiO2 (TiO2/ CdS) ﬁlm without Au NP interfacial layer ... FTO/TiO2 /CdS and FTO /Au/ TiO2 /CdS cells Table Photovoltaic parameters of FTO/TiO2 /CdS and FTO /Au/ TiO2 /CdS cells Electrode Voc (V) Isc (mA/cm2) FF g (%) FTO /Au/ TiO2 /CdS 0.56 7.11 0.41 1.62 FTO/TiO2/CdS...

Báo cáo hóa học: " Research Article Interface for Barge-in Free Spoken Dialogue System Based on Sound Field Reproduction and Microphone Array" pptx

... response sound with suﬃcient quality even when the user is out of the prepared position CONCLUSION We have proposed a barge-in free spoken dialogue interface combining sound ﬁeld reproduction and a microphone ... Kobayashi, and T Takezawa, “Design and creation of speech and text corpora of dialogue, ” IEICE Transactions on Information and Systems, vol E76-D, no 1, pp 17–22, 1993 [18] A Lee, T Kawahara, and K ... show the condition number of transfer functions in Figure 10 The condition Figure 7: ERLE for each position of interference in microphone elements The horizontal axis represents the position of interference...

Numerical quantum modeling of field effect transistor with sub 10nm thin film semiconductor layer as active channel physical limits and engineering challenges

... Ballistic Transport and Device Limits, all conducted using the Ultra -Thin Body (UTB) devices with a sub- 10nm thin film In segment (1), we begins with an assessment of Si and Ge thin film semiconductors’ ... 2.2 34 34 An Analysis of Subband Structure and Electrostatics of Two-Dimensional Electron Gas in Thin Film Silicon and Germanium Semiconductor Using Effective Mass Theory ... based on quantum phenomena 1.3 Overview of Thesis Chapter discusses the result of our numerical calculation of the electronic structure of thin film Si and Ge semiconductor One begins with an assessment...

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

... this article as: Chen et al.: Improved conversion efficiency of Ag2S quantum dot-sensitized solar cells based on TiO2 nanotubes with a ZnO recombination barrier layer Nanoscale Research Letters ... efficiencies of as-prepared Ag2S quantum dot-sensitized solar cells, the Figure The photoconversion efficiencies of the Ag2S( 8) /ZnO/ TNT and Ag2S( 8)/TNT electrodes Chen et al Nanoscale Research Letters ... than that of electron acceptor (TiO2 or ZnO) , the electron transfer may also happen if there is an overlap of the DOS of Ag2S and TiO2 (or ZnO) , which may be Figure UV-vis absorption spectrum of...

Bulk heterojunction organic solar cells based on crosslinked polymer donor networks

... reported the concept of bulk heterojunction by blending polymer and fullerene or two polymers in 1995.28,29 Bulk heterojunction allows for more interfacial contact between the donor/ acceptor ... exciton energy, IPdonor is the ion potential of donor, EAacceptor is the electron affility of acceptor, B.E is the polaron Coulomb binding energy, LUMO donor and LUMOacceptor are the LUMO for donor ... Electroabsorption spectroscopy of P3HT: PCBM solar cells .101 4.4 Conclusions 105 4.5 References 105 Chapter Modeling and optimization of bulk heterojunction 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)...

On the solid phase crystallization for thin film silicon solar cells on glass

... silicon (a-Si:H), microcrystalline silicon (µc-Si), micro-morph tandem silicon and polycrystalline silicon (poly-Si) thin film solar cells CIGS and CdTe thin film solar cells are plagued by the ... production cost in the future Silicon based thin film solar cells on the other hand not have issues with the availability of raw materials since silicon is the second most abundant material on earth ... addition, Si is non-toxic unlike cadmium [7] Therefore silicon based thin film solar cells are highly desired The a-Si:H thin film solar cell technology is attractive for low-cost PV applications...

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

... 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 ... performance Therefore, further 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 ... 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 performance...

new technology of metal oxide thin film preparation for chemical sensor application

... could be formed during the process of interruption The prolongation of film growth on the “extra” interface involves a new nucleation of the metal oxide film, the formation and growth of a film ... of the sensors heavily depend on the conditions and methods used in their preparation [27–31] Since grain size is one of the key factors to enhance the gas sensing properties of metal oxide sensors, ... allowed obtaining the enhancement of catalytic properties of Pt-SiO2 thin films, as well [26] Among metal oxide semiconductors, tungsten oxide is a promising material for gas sensing Several studies...

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