thin film solar cells based on nanostructured cds cis cdte and cu2s
Interface studies for microcrystalline silicon thin film solar cells deposited on TCO coated planar and textured glass superstrates
... two thin- film technologies CIGS and CdTe, silicon thin- film PV still has a significantly lower conversion efficiency: CIGS solar cells can reach an efficiency of 20.8 % [8-10], and CdTe solar cells ... brackets On the other hand, thin- film PV technologies, such as copper-indium-galliumselenide (CIGS), cadmium telluride (CdTe) and silicon thin- film solar cells (i.e a-Si:H and µc-Si:H solar cells ... Schematic of the conventional structure of a µc-Si:H thin- film solar cell in a p-i-n superstrate configuration Generally, µc-Si:H thin- film solar cells consist of two transparent conductive oxide...
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Investigation of advanced light trapping concepts for plasma deposited solid phase crystallised polycrystalline silicon thin film solar cells on glass
... 2013) [3] A.G Aberle, Thin- film solar cells, Thin Solid Films, 517 (2009) 4706-4710 [4] D.E Carlson, Amorphous-silicon solar cells, Electron Devices, IEEE Transactions on, 36 (1989) 2775-2780 ... metallization scheme developed in UNSW for poly-Si thin- film solar cells on glass [11] 17 Figure 2-3: Scanning electron microscope (SEM) cross-sectional view of a polySi thin- film solar on a glass ... Polycrystalline Si thin- film solar cells The polycrystalline Si (poly-Si) thin- film solar cell technology is another important thin- film PV technology Compared to the above mentioned thin- film technologies,...
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Post crystallisation treatment and characterisation of polycrystalline silicon thin film solar cells on glass
... 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 of ... of annealing temperature on crystallisation kinetics, film properties and cell performance of silicon thin- film solar cells on glass, Solar Energy Materials and Solar Cells (2012) 186-192 [15] ... junction of CSG Solar s cells was actually located near to the silicon/air interface of the solar cell structure For thin- film solar cells in superstrate configuration, having a p-n junction that...
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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
... to a journal and benefit from: Convenient online submission Rigorous peer review Immediate publication on acceptance Open access: articles freely available online High visibility within the field ... nanotube film was annealed at 450°C in an air environment for h Synthesis of Ag2S-sensitized plain TNT and ZnO/TNT electrodes The ZnO thin films on TNTs were prepared by using the successive ionic ... adsorption and reaction method, as described elsewhere [27,29] Briefly, the annealed TNT electrodes were immersed in 0.01 M ZnCl2 solution complexed with an ammonia solution for 15 s and then...
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Bulk heterojunction organic solar cells based on crosslinked polymer donor networks
... characterization of organic solar cells and calibration of solar simulator ……………………………… 27 2.1 AM1.5 standard reporting condition 28 2.2 PCE and EQE measurements of organic solar cells ... p-i-n junction solar cells However, this structure requires stringent conditions such as small film thickness and high mobility to make efficient solar cells, because only the exciton that diffuses ... silicon panel price and affected the production scale The rest of the PV market is taken by thin film solar cells such as hydrogenated amorphous silicon (a-Si:H), cadmium telluride (CdTe) , and...
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Design, construction and testing of an i v tester for thin film solar cells and mini modules
... solar cells on inexpensive, large-area foreign substrates and to monolithically series-connect the fabricated solar cells [3] Thin- film solar cells are constructed of various thin layers or films ... versatile and powerful I-V tester, thin- film Sunalyzer or T-SUNALYZER, for thin- film solar cells and modules is designed, constructed, and thoroughly tested 1.2 Aim of the project and thesis ... comparing solar cells that have similar and comparable layout Very small cells may give higher J0 and lower RSH as recombination and contamination of the junction is largest at the perimeter of the cells, ...
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Design, construction and testing of an i v tester for thin film solar cells and mini modules
... solar cells on inexpensive, large-area foreign substrates and to monolithically series-connect the fabricated solar cells [3] Thin- film solar cells are constructed of various thin layers or films ... versatile and powerful I-V tester, thin- film Sunalyzer or T-SUNALYZER, for thin- film solar cells and modules is designed, constructed, and thoroughly tested 1.2 Aim of the project and thesis ... comparing solar cells that have similar and comparable layout Very small cells may give higher J0 and lower RSH as recombination and contamination of the junction is largest at the perimeter of the cells, ...
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Thin Film Solar Cells Fabrication, Characterization and Applications-Jef Poortmans, Vladimir Arkhipov
... share//techology film solar cell technologies and consists of % based on thin film amorphous Si solar cells and % on polycrystalline compound solar cells based on CdTe and CuInSe2 (Figure P 2) 100% 80% CIS CIS ... Thin Film Solar Cells Fabrication, Characterization and Applications Edited by Jef Poortmans and Vladimir Arkhipov IMEC, Leuven, Belgium Thin Film Solar Cells Fabrication, Characterization and ... 1.2.4 Ion assisted deposition Ion assisted deposition (IAD) is based on electron-gun evaporation and subsequent partial ionization of silicon [40] An applied voltage accelerates silicon ions towards...
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semiconductor gas sensors based on nanostructured tungsten oxide
... evaporation The screen-printed WO films consisted of a mixture of both monoclinic and tetragonal phases in significant quantities and had a mean grain size of ; 40 nm The tetragonal phase corresponds ... Ž99.95% positioned in the evaporationrcondensation chamber, where the heating and oxidation of the tungsten occurs A surrounding copper coil inductively heats the pellet During the deposition, the ... deposition chamber where they form a consolidated layer of tungsten oxide nanoparticles on an alumina substrate The substrate was mounted on a table that can be scanned along the x, y and z-directions...
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Báo cáo hóa học: " Ultra violet sensors based on nanostructured ZnO spheres in network of nanowires: a novel approach" pdf
... electron from the conduction band and therefore the device exhibits higher resistivity When the photon energy is larger than the band gap energy Eg, the incident radiation is absorbed in the ZnO nanostructured ... volume and r is vapor phase supersaturation The inflation of spheres continues with the process as more vapor gets condensed on to the small spheres The mechanism for the formation of nanowires and ... attributed to the recombination of free excitons through an exciton–exciton collision process (D0X) corresponding to 3.2 eV [1] The inset of Fig shows the bright blue/violet emission from the ZnO micro...
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Báo cáo khoa học: "Japanese Named Entity Recognition based on a Simple Rule Generator and Decision Tree Learning" pdf
... supervised Japanese named entity recognition: Resources and evaluation In Proceedings of the Second International Conference on Language Resources and Evaluation, pages 1229–1236 ... Selection Committee) is an organization’s name that contains a person’s name NO-O-BE-RU (= Nobel) and an artifact name NO-O-BE-RU-SHOU (= Nobel Prize), but NO-O-BE-RU and NO-O-BE-RU-SHOU ... Understanding Conference Morgan Kaufmann Georgios Paliouras, Vangelis Karkaletsis, Georgios Petasis, and Constantine D Spyropoulos 2000 Learning decision trees for named-entity recognition and classification...
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Báo cáo khoa học: "Word classification based on combined measures of distributional and semantic similarity" docx
... Workshop on WordNet and Other Lexical Resources The combined weighting schema thus showed relative improvement on the distributional one: 1.5% (BNC) and 2.3% (AP) in terms of precision and 9.2% ... Comparison of the versions of KNN on the BNC and AP datasets Baseline As seen from these results, both the distrib utional and semantic weighting schemas exhibit better performance than the non-weighted ... biggest S(c) Test data and evaluation methods The proposed method was tested on the distributional data on nouns obtained from two corpora: the British National Corpus (BNC) and the Associated Press...
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Classification of colorectal cancer based on correlation of clinical, morphological and molecular features doc
... occurs as a non-random and biologically based phenomenon and is not merely a polymerase chain reaction -based artefact.73,74 MSI-L CRCs were distinguished from both MSI-H and MSS CRCs on the basis ... poor differentiation, mucinous differentiation and proximal location.104 The link between LOI and CIMP may be explained by the fact that LOI depends upon the methylation of a controlling element ... stratification based on DNA methylation and low-level MSI Removal of the two forms of MSI-H CRC (familial and sporadic) leaves the large MSS subset comprising Ó 2007 The Author Journal compilation Ó...
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Báo cáo khoa học: Fast set-up of doxycycline-inducible protein expression in human cell lines with a single plasmid based on Epstein– Barr virus replication and the simple tetracycline repressor ppt
... tetracycline-controlled transcriptional activator (tTA) [10] or reverse tetracycline-controlled transcriptional activator (rtTA) [8] A third system [11] is based on concomitant expression of two fusion ... Thus, relocation of TetR fusion proteins upon binding of inducer can be expected to cause secondary background differences Pronounced alteration of rtTA expression levels after addition of inducer ... constructs Fig Validation of pEBTet and pEBTetD vectors on the level of protein function (A) Regulation of expression ETTh, which resides in the plasma membrane Ergothioneine (ET) content was assayed...
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Báo cáo khoa học: "A Latent Topic Extracting Method based on Events in a Document and its Application" pot
... summarization As an evaluation method, we adopt precision and coverage used at TSC3 (Hirao et al., 2004), and the number of extracted sentences is the same as used in TSC3 Precision is an evaluation ... Annual International ACM-SIGIR Conference on Research and Development in Information Retrieval:2–10 Ani Nenkova and Lucy Vanderwende 2005 The Impact of Frequency on Summarization Technical report, ... 2002 Divergence Measures based on the Shannon Entropy IEEE Transactions on Information Theory, 37(1):145–151 Leonhard Henning 2009 Topic -based Multi-Document Summarization with Probabilistic Latent...
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Báo cáo sinh học: " Voice activity detection based on conjugate subspace matching pursuit and likelihood ratio test" doc
... and are not sensitive to the noise Decision rule based on MP coefficients and LRT In this section, the VAD based on the MP coefficients and LRT is presented in Section 3.1 To test the distribution ... algorithm is described in Section 2.1, and the demonstration of algorithm and compar- ison between MP coefficients and DFT coefficients are presented in Section 2.2 2.1 Conjugate subspace MP Matching ... most dominant component, then subtracting its contribution from the signal and iterating the estimation on the residual By subtracting a component at each iteration, the next component selected...
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báo cáo hóa học:" Voice activity detection based on conjugate subspace matching pursuit and likelihood ratio test" pot
... and are not sensitive to the noise Decision rule based on MP coefficients and LRT In this section, the VAD based on the MP coefficients and LRT is presented in Section 3.1 To test the distribution ... algorithm is described in Section 2.1, and the demonstration of algorithm and compar- ison between MP coefficients and DFT coefficients are presented in Section 2.2 2.1 Conjugate subspace MP Matching ... most dominant component, then subtracting its contribution from the signal and iterating the estimation on the residual By subtracting a component at each iteration, the next component selected...
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Báo cáo toán học: " Voice activity detection based on conjugate subspace matching pursuit and likelihood ratio test" pot
... Section 2.1, and the demonstration of algorithm and comparison between MP coefficients and DFT coefficients are presented in Section 2.2 Deng and Han EURASIP Journal on Audio, Speech, and Music ... coefficients, and are not sensitive to the noise Decision rule based on MP coefficients and LRT In this section, the VAD based on the MP coefficients and LRT is presented in Section 3.1 To test ... most dominant component, then subtracting its contribution from the signal and iterating the estimation on the residual By subtracting a component at each iteration, the next component selected...
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Báo cáo hóa học: " Mass spectrometry based on a coupled Cooperpair box and nanomechanical resonator system" pdf
... the sidebands of the absorption spectrum, which corresponds to the resonant absorption and amplification of the vibrational mode of the NR Our proposed mass sensing scheme is just based on these ... μs, T2 = 0.05 μs, and Ωc = responsivity Here, we have assumed that the DNA molecules land evenly on the NR and they remain on it In fact, the position on the surface of the resonator where the ... is one factor that strongly affects the resonance frequency shift The maximization in mass responsivity is obtained if the landing takes places at the position where the resonator’s vibrational...
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Báo cáo hóa học: " Research Article Static Object Detection Based on a Dual Background Model and a Finite-State Machine Rub´ n Heras Evangelio and Thomas Sikora e" doc
... Figure also shows six additional conditions on six transitions marked as an orange point on the respective transition arrows The reason why we introduce these conditions here is that the tuple ... ’07), pp 242–247, London, UK, September 2007 [4] A Singh, S Sawan, M Hanmandlu, V K Madasu, and B C Lovell, “An abandoned object detection system based on dual background segmentation,” in Proceedings ... Journal on Image and Video Processing Table 1: Hypotheses based on the long-term and short-term foregrounds as in [5] FL (Xt ) 1 0 FS (Xt ) 1 Hypothesis Moving object Candidate abandoned object...
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