Littérature scientifique sur le sujet « Intermediate electronic band »
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Articles de revues sur le sujet "Intermediate electronic band"
Martí, Antonio, et Antonio Luque. « Intermediate Band Solar Cells ». Advances in Science and Technology 74 (octobre 2010) : 143–50. http://dx.doi.org/10.4028/www.scientific.net/ast.74.143.
Texte intégralChen, Ping, Hua Zhang, Pingying Tang et Binbin Li. « A hybrid density functional design of intermediate band semiconductor for photovoltaic application based on group IV elements (Si, Ge, Sn, and Pb)-doped CdIn2S4 ». Journal of Applied Physics 131, no 13 (7 avril 2022) : 135702. http://dx.doi.org/10.1063/5.0082631.
Texte intégralPattar, Madiwalesh, et Gaurav Anand. « Novel module architecture for wideband multichannel multi band down conversion with built in Local oscillators ». Journal of Physics : Conference Series 2250, no 1 (1 avril 2022) : 012011. http://dx.doi.org/10.1088/1742-6596/2250/1/012011.
Texte intégralWang, Qiao-Yi, et Judy Rorison. « Modelling of quantum dot intermediate band solar cells : effect of intermediate band linewidth broadening ». IET Optoelectronics 8, no 2 (1 avril 2014) : 81–87. http://dx.doi.org/10.1049/iet-opt.2013.0068.
Texte intégralLuque, A., A. Marti et L. Cuadra. « Impact-ionization-assisted intermediate band solar cell ». IEEE Transactions on Electron Devices 50, no 2 (février 2003) : 447–54. http://dx.doi.org/10.1109/ted.2003.809024.
Texte intégralTablero, C., P. Palacios, J. J. Fernández et P. Wahnón. « Properties of intermediate band materials ». Solar Energy Materials and Solar Cells 87, no 1-4 (mai 2005) : 323–31. http://dx.doi.org/10.1016/j.solmat.2004.06.016.
Texte intégralKanoun, Mohammed Benali, Adil Alshoaibi et Souraya Goumri-Said. « Hybrid Density Functional Investigation of Cu Doping Impact on the Electronic Structures and Optical Characteristics of TiO2 for Improved Visible Light Absorption ». Materials 15, no 16 (17 août 2022) : 5645. http://dx.doi.org/10.3390/ma15165645.
Texte intégralIonova, G. V., Yu N. Kosteubov et A. V. Nikolaev. « Charge ordering in intermediate-band crystals ». physica status solidi (b) 134, no 1 (1 mars 1986) : 239–42. http://dx.doi.org/10.1002/pssb.2221340128.
Texte intégralLópez, N., A. Martí, A. Luque, C. Stanley, C. Farmer et P. Diaz. « Experimental Analysis of the Operation of Quantum Dot Intermediate Band Solar Cells ». Journal of Solar Energy Engineering 129, no 3 (4 octobre 2006) : 319–22. http://dx.doi.org/10.1115/1.2735344.
Texte intégralDelamarre, Amaury, Daniel Suchet, Nicolas Cavassilas, Yoshitaka Okada, Masakazu Sugiyama et Jean-Francois Guillemoles. « An Electronic Ratchet Is Required in Nanostructured Intermediate-Band Solar Cells ». IEEE Journal of Photovoltaics 8, no 6 (novembre 2018) : 1553–59. http://dx.doi.org/10.1109/jphotov.2018.2866186.
Texte intégralThèses sur le sujet "Intermediate electronic band"
Cozzarini, Luca. « Nanomaterials based on II-VI Semiconductors ». Doctoral thesis, Università degli studi di Trieste, 2012. http://hdl.handle.net/10077/7359.
Texte intégralThis thesis describes: (i) synthesis and characterization of colloidal nanocrystals of II-VI semiconductor compounds; (II) development of two novel materials using such nanocrystals as “building blocks”: (IIa) a nanocrystals/polymer composite, to be used as phosphor in LED-based lighting devices; (IIb) an inorganic, nano-structured multiphase material, showing a promising geometry as an electronic intermediate band material. Different typologies of nanocrystals (single-phase, alloyed or core-shells) were successfully synthesized using air-stable, safe reagents. Their optical properties (absorption spectrum, fluorescence wavelength and fluorescence quantum yield) were mapped as function of different parameters. Good results in engineering optical properties were achieved by: (a) changing size and/or composition in single-phase nanocrystals; (b) tuning shell composition and thickness and/or mutually diffusing one material into the other in multi-phase nanocrystals. The influence of different surface ligands on optical properties and on solubility in different media was also studied. Nanocrystal/polymer composite lenses were obtained from nanocrystals with desired fluorescence wavelength and quantum yield, mixed in an appropriate solvent with polymer pellets. The mixture was drop casted or tape casted on a solid substrate, obtaining solid, transparent lenses after solvent evaporation. A nano-structured, all-inorganic material (composed of semiconducor nanocrystals embedded into a wider bandgap semiconductor) was obtained through self-assembly and densification of colloidal core-shells nanocrystals. The realization of this composite supracrystal was achieved via a multi-step process: (i) colloidal synthesis of core-shell nanocrystals; (ii) surface ligands exchange; (iii) assembly; (iv) heat treatment. Evolution of the optical properties during heat treatment suggests that it is possible to sinter the shell material without altering the internal nano-heterostructure, if temperature and time of the treatment are controlled properly.
In questa tesi sono descritti: (I) la sintesi colloidale e la caratterizzazione di nanocristalli di semiconduttori II-VI; (II) lo sviluppo, utilizzando i suddetti nanocristalli quali “unità da costruzione”, di due materiali innovativi: (IIa) un composito nanocristalli/polimero, da usare come fosforo in dispositivi per illuminazione basati su LED; (IIb) un materiale inorganico nano-strutturato multifase, con una geometria promettente quale materiale a banda elettronica intermedia. Differenti semiconduttori II-VI sono stati sintetizzati in forma di nanocristalli (monofasici, in forma di lega o in struttura di tipo “core-shell”) usando reagenti sicuri e stabili in atmosfera. Le loro proprietà ottiche (spettro di assorbimento, lunghezza d’onda di fluorescenze e resa quantica di fluorescenza) sono state mappate in funzione di numerosi parametri. Sono stati raggiunti ottimi risultati nel controllo delle proprietà ottiche sia in nanocristalli a fase singola (modificandone le dimensioni o la composizione chimica) che in nanocristalli multifase (regolandone la composizione e lo spessore della “shell”, nonché mutualmente diffondendo un materiale nell’altro). È stata anche studiata l’influenza di differenti leganti superficiali sulle proprietà ottiche e sulla solubilità dei nanocristalli in differenti solventi. Lenti composite di nanocristalli/polimero sono state ottenute a partire da nanocristalli aventi la lunghezza d’onda e la resa quantica di fluorescenza desiderate, mescolandoli con pellet di polimero in solventi appropriati. La miscela è stata depositata su un supporto, tramite drop casting o tape casting, ottenendo lenti solide trasparenti dopo l’evaporazione del solvente. Un materiale inorganico nano strutturato (costituito da nanocristalli di semiconduttore racchiusi all’interno di un secondo materiale semiconduttore a bandgap maggiore) è stato ottenuto tramite l’autoassemblaggio e la densificazione di nanocristalli core-shell sintetizzati con procedure di chimica colloidale. La realizzazione di suddetto sovra-cristallo si è svolta in più fasi: (i) sintesi colloidale; (ii) sostituzione dei leganti superficiali; (iii) assemblaggio; (iv) trattamento termico. I risultati derivanti dallo studio dell’evoluzione delle proprietà ottiche durante il trattamento termico suggeriscono che sia possibile sinterizzare il materiale della shell senza alterare la nano-eterostruttura interna, se la temperatura e il tempo del trattamento sono scelti opportunamente.
XXIV Ciclo
1983
Schonberger, Joel Raymond. « Fourth-order Q-enhanced band-pass filter tuning algorithm implementation and considerations ». Thesis, Kansas State University, 2010. http://hdl.handle.net/2097/4997.
Texte intégralDepartment of Electrical and Computer Engineering
William B. Kuhn
Q‐enhanced filtering technologies have been heavily researched, but have not yet been adopted into commercial designs due to tuning complexity, and performance issues such as noise figure and dynamic range. A multi‐pole Q‐enhanced band‐pass filter operating at 450 MHz with tunable bandwidth is developed in this thesis. A noise figure of 14 dB and dynamic range of 140 dB/Hz have been measured, making the filter suitable for operating in the IF subsystem of a radio receiver. The design utilizes off‐chip resonators, created using surface mount components or embedded passives in LTCC processes, to have a reasonably high base‐Q. The equivalent parallel loss resistance of the finite‐Q inductor and connected circuitry at resonance is partially offset by negative resistances, implemented with tunable on‐chip transconductors, as required to reach the needed Q for the targeted bandwidth. Each pole of the filter has binary weighted negative resistance cells for Q‐enhancement and binary weighted capacitances for frequency tuning. Binary weighted capacitive coupling cells allow the filter to achieve the level of coupling appropriate to the targeted bandwidth. To maintain the filter bandwidth, center frequency, and gain over environmental changes a realtime tuning algorithm is needed. A low complexity tuning algorithm has been implemented and found to accurately maintain the bandwidth, center frequency, and gain when operating at bandwidths of 10 or 20 MHz. Flatness of the pass‐band is also maintained, to within 0.5 dB across a temperature range of 25‐55 degrees C. In addition to the implementation of the tuning algorithm, the thesis provides a solution for pass‐band asymmetries spawned from the use of finite‐Q resonators and associated control circuitry.
« Structural and Optical Properties of III-V Semiconductor Materials for Photovoltaics and Power Electronic Applications ». Doctoral diss., 2020. http://hdl.handle.net/2286/R.I.62663.
Texte intégralDissertation/Thesis
Doctoral Dissertation Materials Science and Engineering 2020
Taubitz, Christian. « Investigation of the magnetic and electronic structure of Fe in molecules and chalcogenide systems ». Doctoral thesis, 2010. https://repositorium.ub.uni-osnabrueck.de/handle/urn:nbn:de:gbv:700-201006096312.
Texte intégralChapitres de livres sur le sujet "Intermediate electronic band"
Nasu, Keiichiro. « S Pairing by Double Excitation of Triplet in Two Band System with Intermediate Electron Correlations ». Dans Interacting Electrons in Reduced Dimensions, 377–82. Boston, MA : Springer US, 1989. http://dx.doi.org/10.1007/978-1-4613-0565-1_41.
Texte intégralEmo, Martin. « Hybrid Acoustic and Electronic Band Collaboration with Visual Artists (Intermediate) ». Dans The Music Technology Cookbook, 181–86. Oxford University Press, 2020. http://dx.doi.org/10.1093/oso/9780197523889.003.0029.
Texte intégralBrooker, Geoffrey. « Electrons in a square lattice ». Dans Essays in Physics, 352–62. Oxford University Press, 2021. http://dx.doi.org/10.1093/oso/9780198857242.003.0028.
Texte intégralScerri, Eric R. « Realism, Reduction, and the “Intermediate Position” ». Dans Of Minds and Molecules. Oxford University Press, 2000. http://dx.doi.org/10.1093/oso/9780195128345.003.0010.
Texte intégralCarr, Mahil. « Framework for Mobile Payment Systems in India ». Dans Mobile and Ubiquitous Commerce, 237–54. IGI Global, 2009. http://dx.doi.org/10.4018/978-1-60566-366-1.ch013.
Texte intégralActes de conférences sur le sujet "Intermediate electronic band"
Tomic, S., N. M. Harrison et T. S. Jones. « Electronic structure of QD arrays : Application to intermediate-band solar cells ». Dans 2007 International Conference on Numerical Simulation of Optoelectronic Devices. IEEE, 2007. http://dx.doi.org/10.1109/nusod.2007.4349034.
Texte intégralDelamarre, Amaury, Daniel Suchet, Masakazu Sugiyama, Nicolas Cavassilas, Yoshitaka Okada et Jean-François Guillemoles. « Non-ideal nanostructured intermediate band solar cells with an electronic ratchet ». Dans Physics, Simulation, and Photonic Engineering of Photovoltaic Devices VII, sous la direction de Alexandre Freundlich, Masakazu Sugiyama et Laurent Lombez. SPIE, 2018. http://dx.doi.org/10.1117/12.2287716.
Texte intégralKurome, Akihito, Ryosuke Morigaki, Satofumi Souma et Matsuto Ogawa. « Analysis of electronic structure in quantum dot arrays for intermediate band solar cells ». Dans 2011 International Meeting for Future of Electron Devices, Kansai (IMFEDK). IEEE, 2011. http://dx.doi.org/10.1109/imfedk.2011.5944871.
Texte intégralTakahashi, Hiroki, Hideki Minari et Nobuya Mori. « Atomic disorder effects on electronic states in InAs/GaAs intermediate-band solar cells ». Dans 2012 IEEE International Meeting for Future of Electron Devices, Kansai (IMFEDK). IEEE, 2012. http://dx.doi.org/10.1109/imfedk.2012.6218607.
Texte intégralIslam, Afiqul, Anik Das, Nazmul Sarkar, M. A. Matin et N. Amin. « Numerical Analysis of PbSe/GaAs Quantum Dot Intermediate Band Solar Cell (QDIBSC) ». Dans 2018 International Conference on Computer, Communication, Chemical, Material and Electronic Engineering (IC4ME2). IEEE, 2018. http://dx.doi.org/10.1109/ic4me2.2018.8465665.
Texte intégralTarasov, P. S., et A. Yu Yuhlin. « ULTRA WIDEBAND DECIMETER AND CENTIMETER WAVELENGTH MIXER WITH CLOSE FREQUENCY RANGES OF THE INPUT INFORMATION SIGNAL AND THE INTERMEDIATE FREQUENCY SIGNAL ». Dans EXCHANGE OF EXPERIENCE IN THE FIELD OF CREATION OF ULTRA BAND RADIO ELECTRONIC SYSTEMS. Federal State Budgetary Educational Institution of Higher Education «Omsk State Technical University», 2020. http://dx.doi.org/10.25206/978-5-8149-3074-3-192-199.
Texte intégralKung, A. H., R. H. Page, R. J. Larkin, Y. R. Shen, Y. T. Lee et N. A. Gershenfeld. « XUV resonant multiphoton ionization of H2 ». Dans OSA Annual Meeting. Washington, D.C. : Optica Publishing Group, 1985. http://dx.doi.org/10.1364/oam.1985.tuc4.
Texte intégralChandra, A., Y. Huang, Z. Q. Jiang et K. X. Hu. « A Model of Crack Nucleation in Layered Electronic Assemblies Under Thermal Cycling ». Dans ASME 1999 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1999. http://dx.doi.org/10.1115/imece1999-0926.
Texte intégralSilva, C., et P. F. Barbara. « Photophysics and Photochemistry of the Solvated Electron in Higher Alcohols and Saturation Experiments on the Hydrated Electron ». Dans International Conference on Ultrafast Phenomena. Washington, D.C. : Optica Publishing Group, 1996. http://dx.doi.org/10.1364/up.1996.sab.3.
Texte intégralYAMAGISHI, Susumu. « Measurement of fluorescence of formaldehyde in atmospheric pressure flame ». Dans Laser Applications to Chemical and Environmental Analysis. Washington, D.C. : Optica Publishing Group, 1998. http://dx.doi.org/10.1364/lacea.1998.lwa.6.
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