optical and electrical modeling of nanocrystalline solar cells
Characterization and performance analysis of bifacial solar cells and modules
... applications and challenges with bifacial solar cells and modules 10 Background 10 2.1.1 Bifacial solar cells and module structures 10 2.1.2 History of bifacial solar cells and modules ... and cost estimation of bifacial solar cells and modules For conventional monofacial solar cells and modules, standards have been adopted to rate them in terms of output power and efficiency under ... Each of the topics mentioned above is vast and can be studied in separation This work focuses on the characterisation and standardisation of bifacial solar cells and modules and the performance of...
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Optical and electrical studies of silicon nanowires in photovoltaic applications
... Summary of optical and electrical characterisation of buried junction Si planar, SiNWire and SiNWall solar cell 40 Table I-V characterisation of planar Si and core-shell SiNW solar cell ... work, features and working principles of conventional planar Si solar cell and novel SiNW solar cell have been studied and compared, highlighting the advantages and promising prospect of SiNWs in ... respectively and a vertical tilt of 7° for every implant BF2 core implant was done with dose of 2.5 x 1013 cm-2 and energy of 80 keV; phosphorus shell implant was done with dose of 1015 cm-2 and energy of...
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Tài liệu RATE-DISTORTION ANALYSIS AND TRAFFIC MODELING OF SCALABLE VIDEO CODERS ppt
... ACF of {εI (n)} and that of {φI (n)} in Star Wars IV (b) The ACF of {εP (n)} and that of {φP (n)} in The Silence of 1 the Lambs 125 63 The ACF of {A3 (ε)} and ... Troopers and (b) the base layer of the spatially scalable The Silence of the Lambs coded at different Q 118 57 The mean sizes of P and B-frames of each GOP given the size of ... Correlation Modeling P and B-Frame Sizes D Modeling the Enhancement Layer Analysis of the Enhancement Layer Modeling I-Frame Sizes Modeling P and B-Frame Sizes...
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Báo cáo khoa học: Functional fine-mapping and molecular modeling of a conserved loop epitope of the measles virus hemagglutinin protein pdf
... partially oxidized and the signal of the reduced species increased as a result of oxidation Identification of the active isoform Because of disulfide scrambling HPLC-purified isoforms rapidly re-equilibrate, ... conformation Mel-JuSo-H and -wt cell lines were kind gifts of R L de Swart [22], Institute of Virology, Erasmus University, Rotterdam, the Netherlands Briefly, the Mel-JuSo-H and Mel-JuSo-wt cells were thawed, ... an association time of 300 s and a dissociation of 180 s under a constant flow rate of 20 lLÆmin)1 at 25 °C The sensorgram profile of each run was subtracted by the signal of the irrelevant peptide...
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Báo cáo khoa học: Enzymatic characterization and molecular modeling of an evolutionarily interesting fungal b-N-acetylhexosaminidase pot
... blue) and standard (magenta) substrates after ns of MD (C) Overlay of positions of N-propionyl modified (light blue) and standard (magenta) substrates after ns of MD (D) Molecular surface of the ... hydrolysis of N-formyl, N-glycolyl and N-propionyl derivatives of the standard N-acetyl substrate) than A oryzae (2–5% hydrolysis) The cloning and sequencing of PoHex and analysis of the corresponding ... buffer system of Laemmli [21] (Fig 1C, lanes and 9, respectively) Another protein band with a 2470 Fig Optimization of PoHex production and purification (A), (B) Time course of secretion of PoHex from...
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growth, structure and electrical conduction of wo3 nanorods
... Structure and composition of the WO3 nanorods The Fig 1a and b are typical images acquired on tungsten oxide nanorods in taping AFM and CAFM mode, respectively The topographical image of Fig 1a ... thickness and width of the nanorods depend on the deposition time that does not influence their length and density The image in Fig presents the thickness profile in of nanorod by mean of cross-sections ... proportional to the density of the rods This evidences that the formation of the nanorods results of a competition between the both 1-D and 3-D growth processes Figs and illustrate the structure...
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influence of binders on the sensing and electrical characteristics of wo3-based gas sensors
... size of WO film decreases as the amount of SiO binder is increased w3x Thus the addition of a suitable amount of SiO in WO sol–gel is believed to increase the porosity of the composite film and ... methodology andror microstructure of the polycrystals In this paper, we have investigated the effects of binders on the sensing characteristics and the structural electrical properties of WO films ... surface andror on the GB of a polycrystal is not an intimate contact, and the neutral surface Fermi level of this non-intimate contact varies according to the species and the amount of adsorbed...
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sol–gel synthesis and morphological control of nanocrystalline tio2 via urea treatment
... the nanocrystalline TiO2 rods and hollow tubes, consisting of aggregates of nanorods of ∼10 nm in diameter The nanocrystalline TiO2 thus prepared appears to have an engraved surface morphology and ... surface morphology and consists mainly of the anatase and minor amount of rutile and brookite It is also demonstrated that microstructure and phase content of the nanocrystalline TiO2 can be tailor-made ... ratio) The straight and parallel stripes (referred to Figs 4b and 4c) on the surface of the rods and hollow tubes may result from the aggregates of the smaller and finer nanorods of ∼10 nm in diameter...
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Báo cáo khoa học: Characterization and structural modeling of a new type of thermostable esterase from Thermotoga maritima ppt
... domain of EstD (amino acid residues 150–412) The schematic structural model consists of six a-helixes and has one central b-sheet made up of six b-strand-strands (Fig 3A) The first and second b-strand ... homologues and sequences of the esterase and lipase families using the Tcoffee server (http://www.igs.cnrs-mrs.fr/Tcoffee/tcoffee_cgi/index cgi) [36] The alignment was further corrected by hand A ... connecting strand b5 and helix a3, while Asp347 and His378 are located on loops between b7–a7 and b8–a8, respectively (Fig 3A) In the crystal structure of Est30, a covalently bound ligand is present...
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doctoral dissertation. optical and electrical interaction in self-assembled metal nanoparticle superstructures, 2008, p.72
... considered and the effects of size and geometry have not been taken into account [85, 86] The layer of the capping ligand also shifts towards higher wavelengths and dampens the plasmon band of individual ... between the band separation and the ratio d/D, which is independent of the absolute size of the particles [88] On the other hand the intensity of the bands increases by two orders of magnitude ... properties In this thesis, a series of physicochemical studies on the collective optical and electrical properties of superstructures consisting of silver and gold nanoparticles are presented...
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Báo cáo hóa học: "Future research and therapeutic applications of human stem cells: general, regulatory, and bioethical aspects" ppt
... progenitor cells (MAPCs), are the stem cells Page of 15 forming bone marrow [33] Their role is maintenance and turnover of blood cells and immune system The high rate of regeneration of the liver, ... presence of adequate factors–as occurs in mesenchymal stem cells, which are able to differentiate into cells of an ectodermal (neurons and skin) and endodermal (hepatocytes, lung and intestinal cells) ... stem cells, mainly located in the protuberance of hair follicle and which are capable of self-renewal for long time periods and differentiation into specialized cells, and transient amplifying cells, ...
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báo cáo hóa học:" Gene Expression and Pathway Analysis of Ovarian Cancer Cells Selected for Resistance to Cisplatin, Paclitaxel, or Doxorubicin" docx
... better understanding of the mechanisms of drug action and drug resistance may ultimately lead to new approaches for circumventing resistance and improve patient survival However, in spite of recent ... paclitaxel, and we use gene expression profiling to identify genes and pathways that may be important to the development of drug resistance in ovarian cancer Methods Cell line and generation of drug ... from the cell surface and cell movement for cisplatin resistance, proteasome regulation and steroid biosynthesis for doxorubicin resistance, and control of translation and oxidative stress for...
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Báo cáo toán học: " Structural, optical and magnetic studies of manganese-doped zinc oxide hierarchical microspheres by self-assembly of nanoparticles" docx
... aim of providing further understanding of the optical nature of Mn-doped ZnO HMSs, UV-visible [vis] and PL spectra are used to study their optical characteristics, and the corresponding mechanism ... silent), and A1 + E1 modes (infrared active) Moreover, the A1 + E1 modes are polar and split into the transverse optical and longitudinal optical [LO] phonons E2 modes with two modes of low and high ... coordination route of EG which directs the formation of Mn-doped ZnO HMSs in view of morphology transformation A lot of EG molecules are adsorbed on the (001) surface of the ZnO crystals and block the...
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Báo cáo toán học: " Structure and electrical properties of sputtered TiO2/ZrO2 bilayer composite dielectrics upon annealing in nitrogen" pdf
... Foundation of China (No 51072049), STD and ED of Hubei Province (Grant Nos 2009CDA035, 2008BAB010, 2010BFA016, and Z20091001) Author details State Key Laboratory of Electrical Insulation and Power ... micrograph of the as-deposited sample It can be clearly seen that the structure includes the two layer stacks of TiO2 and ZrO2 films and that the interface layer is observed between the ZrO2 film and ... roughness of the as-deposited film and annealed ones was measured over a × μm scanning range, and the values are 1.430, 1.529, 0.625 and 0.826 nm, respectively One can see that the surface roughness of...
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Báo cáo hóa học: " The rate sensitivity and plastic deformation of nanocrystalline tantalum films at nanoscale" ppt
... rate of Ta films with d of 10 and 20 nm The ml is determined from the slope of the lines The inset shows the Young’s modulus versus strain rate of Ta films with different values of d that of NC ... the defi nition of m = ∂ ln(H ) / ∂ ln( ) , where H and are the hardness and strain rate, respectively [25] The resultant m l of Ta films with d of 10 and 20 nm are 0.05 and 0.02, respectively ... obtain the effect of strain/loading rate on the mechanical response in revealing the deformation mechanism of NC metals The variations of load-depth curves of NC Ta films of d = 10 and 20 nm with...
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báo cáo hóa học:" Crystal structure and electrical properties of bismuth sodium titanate zirconate ceramics" pdf
... loops and the breakdown field strengths of BNTZ ceramics, respectively The hysteresis loops were obtained at the maximum applied electric field of 20 kV/ cm and a frequency of 50 Hz The shape of ... and Materials Technology Center (MTEC), Nation Science and Technology Development Agency (NSTDA), Thailand Research Fund (TRF), and the National Research University Project under Thailand’s Office ... structure and electrical properties of bismuth sodium titanate zirconate ceramics Nanoscale Research Letters 2012 7:57 Author details Department of Physics and Materials Science, Faculty of Science,...
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báo cáo hóa học:" Structural, optical and magnetic studies of manganese-doped zinc oxide hierarchical microspheres by self-assembly of nanoparticles" docx
... aim of providing further understanding of the optical nature of Mn-doped ZnO HMSs, UV-visible [vis] and PL spectra are used to study their optical characteristics, and the corresponding mechanism ... silent), and A1 + E1 modes (infrared active) Moreover, the A1 + E1 modes are polar and split into the transverse optical and longitudinal optical [LO] phonons E2 modes with two modes of low and high ... coordination route of EG which directs the formation of Mn-doped ZnO HMSs in view of morphology transformation A lot of EG molecules are adsorbed on the (001) surface of the ZnO crystals and block the...
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Báo cáo hóa học: " Monitoring Charge Exchange in P3HT-Nanotube Composites Using Optical and Electrical Characterisation" docx
... preparation and details of our optical system can be found in a recent publication [18] Results and Discussion Figure shows the absorption spectra for the pure P3HT polymer and three of its composites ... such as solar cells and photodetectors require enhanced transport of separated carriers and limited electron-hole recombination Thus we need to a methodology that monitors charge transport and carrier ... short-circuit and overall efficiency for polymer solar cell devices with the addition of carbon nanotubes [8, 16] However, useful optical measurements might be in monitoring the optical response of polymer...
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Báo cáo hóa học: " Physical and Electrical Performance of Vapor–Solid Grown ZnO Straight Nanowires" doc
... image of the ZnO nanowires, and it shows the nanowires with diameters of several tens nanometers Most of the nanowires have length of several to tens microns The nanowires are straight and most of ... as-grown ZnO nanowires and it reveals that the nanowires are composed of hexagonal ZnO The positions of the XRD peaks show good agreement with those of the reported standard data of hexagonal ZnO with ... important feature characteristic of hexagonal phase ZnO The bands 380 cm-1 and 410 cm-1 agree with phonon vibration frequencies of A1 (TO) and E1 (TO) modes of wurtzite ZnO, respectively The...
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FINGERPRINTS IN THE OPTICAL AND TRANSPORT PROPERTIES OF QUANTUM DOTS ppt
... Section Optical Properties of Quantum Dot Systems Chapter InAs Quantum Dots of Engineered Height for Fabrication of Broadband Superluminescent Diodes S Haffouz and P.J Barrios Chapter Influence of Optical ... Variation of the emission spectra bandwidth and its corresponding peak wavelength as a function of the injection current The waveguide is 1mm long and with tilted () and tapered () angles of 8 and ... origin at the minimum of the ground state, and a single frequency of vibration of the phonon, Assuming H i , H f , and H if are linear dependent of Q, and a parabolic shape of the potential...
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Tìm thêm: xác định các mục tiêu của chương trình xác định các nguyên tắc biên soạn khảo sát các chuẩn giảng dạy tiếng nhật từ góc độ lí thuyết và thực tiễn khảo sát chương trình đào tạo của các đơn vị đào tạo tại nhật bản xác định thời lượng học về mặt lí thuyết và thực tế điều tra đối với đối tượng giảng viên và đối tượng quản lí điều tra với đối tượng sinh viên học tiếng nhật không chuyên ngữ1 khảo sát thực tế giảng dạy tiếng nhật không chuyên ngữ tại việt nam khảo sát các chương trình đào tạo theo những bộ giáo trình tiêu biểu nội dung cụ thể cho từng kĩ năng ở từng cấp độ xác định mức độ đáp ứng về văn hoá và chuyên môn trong ct mở máy động cơ lồng sóc mở máy động cơ rôto dây quấn đặc tuyến hiệu suất h fi p2 đặc tuyến mômen quay m fi p2 động cơ điện không đồng bộ một pha thông tin liên lạc và các dịch vụ phần 3 giới thiệu nguyên liệu chỉ tiêu chất lượng theo chất lượng phẩm chất sản phẩm khô từ gạo của bộ y tế năm 2008 chỉ tiêu chất lượng 9 tr 25