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73rd International Astronautical Congress, IAC 2022

作者： Suhr, Birgit Benkel, Michael Brauer, Uwe Corleis, Udo Ernst, Hauke Esser, Daniel Fischer, Luis Graf, Andreas Hüffer, Hannes Ho, Tra-Mi Maurus, Michael Novacek, Jan Reuter, Nicole Seidel, Andre Strehlow, Frederik Teicher, Uwe Viehl, Alexander Witzmann, Marco Department of System Engineering and Project Office DLR Institute of Space Systems Robert-Hooke-Str. 7 Bremen28359 Germany ScopeSET Technology Germany Airbus Defence and Space GmbH Airbus-Allee 1 Bremen28199 Germany RADIUSMEDIA KG Augment It Konsul-Smidt-Straße 8u Bremen28217 Germany OHB System AG Manfred-Fuchs-Platz 2-4 Bremen28359 Germany Itemis AG Industriestr. 6 Stuttgart70565 Germany OHB Information Technology Services Manfred-Fuchs-Platz 2-4 Bremen28359 Germany DFKI Robert-Hooke-Str.1 Bremen28359 Germany FZI Forschungszentrum Informatik Haid- und Neu-Strasse 10-14 Karlsruhe76131 Germany ZARM Technik AG Am Fallturm 2 Bremen28359 Germany Fraunhofer-Institut für Werkzeugmaschinen und Umformtechnik IWU Pforzheimer Straße 7a Dresden01189 Germany Neusta Aerospace GmbH Konsul-Smidt-Straße 21a Bremen28217 Germany Valispace Hermann-Köhl-Str. 7 Bremen28199 Germany

The German GAIA-X lighthouse project (COllabOrative Processes and sERvices for AeroNauTics and Space) is intend to accelerate the digitization processes in the space and aerospace industry with the aim of enabling more efficient working methods and development processes over the entire life cycle of spacecraft and aircraft in order to strengthen the competitiveness of the industry in Germany and Europe. In particular, this includes opportunities for decentralized cooperation with local, national and international partners, distributed teams while complying with the necessary export control and security requirements and for protecting know-how and IPR in an industry characterized by high technology. Partners from large industrial companies, SMEs, start-ups and research institutions are part of the consortium. The main work packages of the project are: Data governance, data spaces, advanced smart services and pilot missions. These various smart services (digital program management, collaborative engineering, cyberphysical interfaces, verification processes along supply chain, augmented reality environment, dashboards and intelligent assistants) will be validated and verified in pilot missions from the aeronautical and space sector. The project is embedded in the initiative of the German Federal Ministry of Economic Affairs and Climate Action (BMWK) to develop a lighthouse for innovative and practical applications in the GAIA-X digital ecosystem. Copyright © 2022 by the International Astronautical Federation (IAF). All rights reserved.

关键词： Aerospace industry

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FREDA - An automated field reflectance and degradation assessment system for central receiver systems

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AIP Conference Proceedings 2018年第1期2033卷

作者： Gregor Bern Thomas Schmidt Nicola Celentano Anna Heimsath Peter Nitz 1Department High Temperature Solar Thermal and Industrial Processes Fraunhofer Institute for Solar Energy Systems ISE Heidenhofstr. 2 79110 Freiburg im Breisgau Germany 2Department of Industrial Engineering University of Naples Federico II - P.le Tecchio 8080125 Naples Italy

The heliostat field of Central Receiver systems is subject to soiling and degradation, reducing the optical efficiency of the plant. The monitoring of the effects for an optimized cleaning and replacement strategy is a task demanding a high amount of time and effort. This work introduces a novel Field Reflectance and Degradation Assessment system FREDA. The automated monitoring of the condition of heliostat fields supports the operation and maintenance of a Central Receiver System in the aspects of optimized cleaning and replacement strategies as well as yield prediction and reduces the effort for data collection with state of the art reflectometers. The camera based system monitors the reflectance of a homogeneously illuminated Lambertian target or of the sky and relates the gathered data to reference reflectors distributed in the field, equipped with an automated reflectometer measurement. The methodology is outlined in detail including the underlying evaluation scheme. First laboratory tests are presented showing promising results and good agreement with reflectometer measurements. Finally further improvements are discussed and an outlook for the future work is given.

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Galactic transient sources with the Cherenkov Telescope Array Observatory

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Monthly Notices of the Royal Astronomical Society 2025年第1期540卷 205–238页

作者： Abe, K Abe, S Abhir, J Abhishek, A Acero, F Acharyya, A Adam, R Aguasca-Cabot, A Agudo, I Aguirre-Santaella, A Alfaro, J Alfaro, R Alvarez-Crespo, N Alves Batista, R Amans, J-P Amato, E Ambrosi, G Ambrosino, F Angüner, E O Antonelli, L A Aramo, C Arcaro, C Arnesen, T T H Asano, K Ascasibar, Y Aschersleben, J Ashkar, H Augusto Stuani, L Baack, D Backes, M Balazs, C Balbo, M Baquero Larriva, A Barbosa Martins, V Barres de Almeida, U Barrio, J A Barrios-Jiménez, L Batković, I Batzofin, R Baxter, J Becerra González, J Becker Tjus, J Belmont, R Benbow, W Bernete, J Bernlöhr, K Berti, A Bertucci, B Beshley, V Bhattacharjee, P Bhattacharyya, S Bigongiari, C Bissaldi, E Blanch, O Blazek, J Bocchino, F Boisson, C Bolmont, J Bonnoli, G Bonollo, A Bordas, P Bosnjak, Z Bottacini, E Böttcher, M Bradascio, F Bronzini, E Brown, A M Brunelli, G Bulgarelli, A Burelli, I Burger-Scheidlin, C Burmistrov, L Burton, M Buscemi, M Cailleux, J Campoy-Ordaz, A Cantlay, B K Capasso, G Caproni, A Capuzzo-Dolcetta, R Caraveo, P Caroff, S Carosi, A Carosi, R Carquin, E Carrasco, M-S Cascone, E Cassol, F Castaldini, L Castrejon, N Castro-Tirado, A J Cerasole, D Ceribella, G Cerruti, M Chadwick, P M Chaty, S Chen, A W Chernyakova, M Chiavassa, A Chudoba, J Chytka, L Cicciari, G M Cifuentes, A Coimbra Araujo, C H Colapietro, M Conforti, V Contreras, J L Cortina, J Costa, A Costantini, H Cotter, G Cristofari, P Cuevas, O Curtis-Ginsberg, Z D’Aì, A D’Amico, G D’Ammando, F Dai, S Dazzi, F de Bony de Lavergne, M De Caprio, V De Cesare, G De Frondat Laadim, F de Gouveia Dal Pino, E M De Lotto, B De Lucia, M de Martino, D de Menezes, R de Naurois, M de Ona Wilhelmi, E de Souza, V del Peral, L del Valle, M V Delgado, C Dell’aiera, M Della Valle, M della Volpe, D Depaoli, D Devin, J Di Girolamo, T Di Piano, A Di Pierro, F Di Tria, R Di Venere, L Diebold, S Dignam, C Dima, R Dinesh, A Djuvsland, J Dominik, R M Dominis Prester, D Donini, A Dorner, D Dörner, J Doro, M Dubos, C Ducci, L Dwarkadas, V V Ebr, J Eckner, C Egberts, K Einecke, S Elsässer, D Emery Department of Physics Tokai University 4-1-1 Kita-Kaname Hiratsuka Kanagawa 259-1292 Japan Institute for Cosmic Ray Research University of Tokyo 5-1-5 Kashiwa-no-ha Kashiwa Chiba 277-8582 Japan ETH Zürich Institute for Particle Physics and Astrophysics Otto-Stern-Weg 5 CH-8093 Zürich Switzerland INFN and Università degli Studi di Siena Dipartimento di Scienze Fisiche della Terra e dell’Ambiente (DSFTA) Sezione di Fisica Via Roma 56 I-53100 Siena Italy Université Paris-Saclay Université Paris Cité CEA CNRS AIM F-91191 Gif-sur-Yvette Cedex France FSLAC IRL 2009 CNRS/IAC E-38205 La Laguna Tenerife Spain University of Alabama Tuscaloosa Department of Physics and Astronomy Gallalee Hall Box 870324 Tuscaloosa AL 35487-0324 USA Université Côte d’Azur Observatoire de la Côte d’Azur CNRS Laboratoire Lagrange UF 06304 Nice France Laboratoire Leprince-Ringuet CNRS/IN2P3 École Polytechnique Institut Polytechnique de Paris F-91120 Palaiseau France Departament de Física Quàntica i Astrofísica Institut de Ciències del Cosmos Universitat de Barcelona IEEC-UB Martí i Franquès 1 E-08028 Barcelona Spain Instituto de Astrofísica de Andalucía-CSIC Glorieta de la Astronomía s/n E-18008 Granada Spain Institute for Computational Cosmology and Department of Physics Durham University South Road Durham DH1 3LE UK Pontificia Universidad Católica de Chile Av. Libertador Bernardo O’Higgins 340 8331150 Santiago Chile Universidad Nacional Autónoma de México Delegación Coyoacán 04510 Ciudad de México Mexico IPARCOS-UCM Instituto de Física de Partículas y del Cosmos and EMFTEL Department Universidad Complutense de Madrid E-28040 Madrid Spain Instituto de Física Teórica UAM/CSIC and Departamento de Física Teórica Universidad Autónoma de Madrid c/ Nicolás Cabrera 13-15 Campus de Cantoblanco UAM E-28049 Madrid Spain LUTH GEPI and LERMA Observatoire de Paris Université PSL Université Paris Cité CNRS 5 place Jules Janssen F-92190 Meudon France INAF – Osservatorio

A wide variety of Galactic sources show transient emission at soft and hard X-ray energies: low- and high-mass X-ray binaries containing compact objects, isolated neutron stars exhibiting extreme variability as magnetars as well as pulsar-wind nebulae. Although most of them can show emission up to MeV and/or GeV energies, many have not yet been detected in the TeV domain by Imaging Atmospheric Cherenkov Telescopes. In this paper, we explore the feasibility of detecting new Galactic transients with the Cherenkov Telescope Array Observatory (CTAO) and the prospects for studying them with Target of Opportunity observations. We show that CTAO will likely detect new sources in the TeV regime, such as the massive microquasars in the Cygnus region, low-mass X-ray binaries with low-viewing angle, flaring emission from the Crab pulsar-wind nebula or other novae explosions, among others. Since some of these sources could also exhibit emission at larger time-scales, we additionally test their detectability at longer exposures. We finally discuss the multiwavelength synergies with other instruments and large astronomical facilities.

关键词： binaries: general stars: magnetars novae cataclysmic variables pulsars: general gamma-rays: general

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Corrigendum to “A detailed ellipsometric porosimetry and positron annihilation spectroscopy study of porous organosilicate-glass films with various ratios of methyl terminal and ethylene bridging groups” [Microporous Mesoporous Mater. 306 (2020) 110434]

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Microporous and Mesoporous Materials 2021年 312卷

作者： M. Rasadujjaman Y. Wang L. Zhang S. Naumov A.G. Attallah M.O. Liedke N. Koehler M. Redzheb A.S. Vishnevskiy D.S. Seregin Y. Wu J. Zhang J. Leu A. Wagner K.A. Vorotilov S.E. Schulz M.R. Baklanov North China University of Technology Beijing China Department of Physics Dhaka University of Engineering & Technology Gazipur Bangladesh The Leibniz Institute of Surface Engineering (IOM) Leipzig Germany Helmholtz-Zentrum Dresden-Rossendorf (HZDR) Institute of Radiation Physics Dresden Germany Physics Department Faculty of Science Minia University Minia Egypt Center for Microtechnologies Technical University of Chemnitz Chemnitz Germany Russian Technological University (MIREA) Moscow Russia National Chiao Tung University Hsinchu Taiwan Fraunhofer Institute for Electronic Nano Systems (ENAS) Chemnitz Germany

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High photon flux and high repetition rate fiber-laser driven HHG

High photon flux and high repetition rate fiber-laser driven...

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Conference on Lasers and Electro-Optics Europe

作者： S. Hadrich T. Eidam A. Hoffmann S. Wunderlich F. Jansen D. Steil S. Mathias J. Limpert Active Fiber Systems GmbH Wildenbruchstr. 15 07745 Jena Germany Georg-August-Universität Göttingen I. Physikalisches Institut Friedrich-Hund-Platz 1 37077 Göttingen Germany Friedrich-Schiller-Universität Jena Abbe Center of Photonics Institute of Applied Physics Albert-Einstein-Straße 15 07745 Jena Helmholtz-Institute Jena Fröbelstieg 3 07743 Jena Fraunhofer Institute for Applied Optics and Precision Engineering Albert-Einstein-Straße 7 07745 Jena

ISBN: (纸本)9781509067374

High harmonic generation (HHG) of ultrashort laser pulses is a key process for the generation of coherent extreme ultraviolet to soft X-ray radiation, which is routinely employed in a wide variety of applications [1]. Amongst the large variety photoelectron spectroscopy and microscopy particularly demands for high repetition rate and high photon flux sources [2,3]. As such, fiber laser driven HHG has emerged as a powerful source to provide the highest photon fluxes in combination with unprecedented repetition rates [4].

关键词： Extreme ultraviolet Fiber lasers High power fiber lasers Photon counting Soft x rays Ultrashort pulses

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Performance and failure analysis of concentrator solar cells after intensive stressing with thermal, electrical, and combined load

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AIP Conference Proceedings 2017年第1期1881卷

作者： Fabian Eltermann Lisa Ziegler Maike Wiesenfarth Jürgen Wilde Andreas W. Bett Fraunhofer Institute for Solar Energy Systems ISE Heidenhofstr. 2 79110 Freiburg Germany University of Freiburg Department of Microsystems Engineering – IMTEK Georges-Köhler-Allee 103 79110 Freiburg Germany Universität Kassel Institut für Produktionstechnik und Logistik Kurt-Wolters-Straße 3 34125 Kassel Germany

In this work, we investigated the impact of intensive heat loads on concentrator solar cells assemblies. As test samples, we employed lattice-matched and lattice-mismatched triple-junction solar cells made of GaInP/GaInAs/Ge. The thermal loads were induced by different manners. We used drying cabinets, external power supplies, and a combination of both to achieve maximum test temperatures of 180 °C. For the performance analysis, we utilized flash light solar simulators and an electroluminescence (EL) imaging tool. Our experiments revealed a significant difference depending on the applied manner of heating. The highest impact was observed for the pure heat treatment in drying cabinets. This was particularly visible in the spatial EL images, but also in the IV curves. In contrast, running the concentrator solar cells as forward-biased diodes using an external current supply of 2000 mA, which corresponds to 2000 suns, did not lead to any significant changes in EL and IV curves. However, deformation of the front metallization was observed. In conclusion, pure heat treatment can be considered as a cost-efficient alternative to pinpoint weak points in solar cell receivers.

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Erratum to: Cold Atmosphere Plasma Modification on Beta-Carotene-Loaded Nanofibers to Enhance Osteogenic Differentiation

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Fibers and Polymers 2022年第10期23卷 2981-2981页

作者： Moradi, Yasamin Atyabi, Seyed Alireza Ghiassadin, Ali Bakhshi, Hadi Irani, Shiva Atyabi, Seyed Mohammad Dadgar, Neda Department of Biology School of Basic Sciences Science and Research Branch Islamic Azad University Tehran Iran Department of Mechanical Engineering University of Tehran Tehran Iran Department of Chemistry Michigan State University East Lansing USA Department of Functional Polymer Systems Fraunhofer Institute for Applied Polymer Research IAP Potsdam Germany Department of Pilot Nanobiotechnology Pasteur Institute of Iran Tehran Iran

The article Cold Atmosphere Plasma Modification on Beta-Carotene-Loaded Nanofibers to Enhance Osteogenic Differentiation, written by Yasamin Moradi, Seyed Alireza Atyabi, Ali Ghiassadin, Hadi Bakhshi, Shiva Irani, Seyed Mohammad Atyabi, and Neda Dadgar, was mistakenly originally published without open access. After publication in Vol.23, No.1, page 18–27 this was corrected and the article was made an open access publication. Therefore, the copyright of the article has been changed to and the article is forthwith distributed under the terms of the Creative Commons Attribution 4.0 International License ( https://***/10.1007/s12221-021-0033-y ), which permits use, duplication, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The original article has been corrected.

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KardiaTool: An Integrated POC Solution for Non-invasive Diagnosis and Therapy Monitoring of Heart Failure Patients

KardiaTool: An Integrated POC Solution for Non-invasive Diag...

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Annual International Conference of the IEEE engineering in Medicine and Biology Society (EMBC)

作者： Evanthia E. Tripoliti Georgia S. Karanasiou Pinelopi Ioannidou Petros Toumpaniaris Yorgos Goletsis Joan Baussels Tommaso Lomonaco Norman Pfeiffer Raphal Anasthase Aliki Tsopela Boris Leekens Katerina K. Naka Jean-Christophe Lourme Pietro Salvo Trifon Liakopoulos Jake Jordan Joseph Gallagher Abdelhamid Errachid Dimitrios I. Fotiadis Institute of Molecular Biology and Biotechnology Heraklion GR Universita degli Studi di Pisa Pisa Toscana IT Department of Economics University of Ioannina GR Ioannina Greece The Instituto de Microelectrónica de Barcelona IMBCNM (CSIC) Bellaterra Campus UAB Spain The Department of Chemistry and Indurstrial Chemistry University of Pisa Italy Image Processing and Medical Engineering Department Fraunhofer Institute for Integrated Circuits IIS Erlangen Germany Panepistimio Ioanninon Ioannina GR Micronit Microtechnologies B.V. PV Enschede The Netherlands Interuniversitair Microelectronica Centrum (IMEC) Leuven Kapeldreef Belgium Department of Cardiology University of Ioannina GR Ioannina Greece University of Surrey Guildford Surrey GB National University of Ireland Dublin IE Universite de Lyon Lyon Auvergne-RhÃ´ne-Alpes FR Idryma Technologias kai Ereunas Heraklion GR gHealth Research Group National University Of Ireland Belfield University College Dublin Dublin Ireland Université de Lyon Institut de Sciences Analytiques (ISA) –UMR 5280 Villeurbanne France Department of Biomedical Research and the Dept. of Materials Science and Engineering Unit of Medical Technology and Intelligent Information Systems Institute of Molecular Biology and Biotechnology University of Ioannina Ioannina GR FORTH Ioannina Greece

The aim of this work is to present KardiaTool platform, an integrated Point of Care (POC) solution for noninvasive diagnosis and therapy monitoring of Heart Failure (HF) patients. The KardiaTool platform consists of two components, KardiaPOC and KardiaSoft. KardiaPOC is an easy to use portable device with a disposable Lab-on-Chip (LOC) for the rapid, accurate, non-invasive and simultaneous quantitative assessment of four HF related biomarkers, from saliva samples. KardiaSoft is a decision support software based on predictive modeling techniques that analyzes the POC data and other patient's data, and delivers information related to HF diagnosis and therapy monitoring. It is expected that identifying a source comparable to blood, for biomarker information extraction, such as saliva, that is cost-effective, less invasive, more convenient and acceptable for both patients and healthcare professionals would be beneficial for the healthcare community. In this work the architecture and the functionalities of the KardiaTool platform are presented.

关键词： Biomarkers Hafnium Electronic mail Monitoring Medical treatment Microfluidics

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Manipulation of room-temperature valley-coherent exciton-polaritons in atomically thin crystals by real and artificial magnetic fields

arXiv

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arXiv 2020年

作者： Rupprecht, Christoph Sedov, Evgeny Klaas, Martin Knopf, Heiko Blei, Mark Lundt, Nils Tongay, Sefaattin Taniguchi, Takashi Watanabe, Kenji Schulz, Ulrike Kavokin, Alexey Eilenberger, Falk Höfling, Sven Schneider, Christian Technische Physik and Wilhelm-Conrad-Röntgen-Research Center for Complex Material Systems Universität Würzburg Würzburg-Dresden Cluster of Excellence ct.qmat Würzburg Am HublandD-97074 Germany Westlake University School of Science 18 Shilongshan Road HangzhouZhejiang Province310024 China Westlake Institute for Advanced Study Institute of Natural Sciences 18 Shilongshan Road HangzhouZhejiang Province310024 China Vladimir State University named after A.G. and N.G. Stoletovs Gorky str. 87 Vladimir600000 Russia Fraunhofer Institute for Applied Optics and Precision Engineering IOF Center of Excellence in Photonics Albert-Einstein-Straße 7 Jena07745 Germany Institute of Applied Physics Abbe Center of Photonics Friedrich Schiller University Albert-Einstein-Straße 15 Jena07745 Germany School for Engineering of Matter Transport and Energy Arizona State University TempeAZ85287 United States National Institute for Materials Science Tsukuba Ibaraki305-0044 Japan Saint-Petersburg State University Spin Optics Laboratory Ul’anovskaya 1 Peterhof St. Petersburg198504 Russia Max Planck School of Photonics Germany SUPA School of Physics and Astronomy University of St. Andrews St. AndrewsKY 16 9SS United Kingdom

Strong spin-orbit coupling and inversion symmetry breaking in transition metal dichalcogenide monolayers yield the intriguing effects of valley-dependent optical selection rules. As such, it is possible to substantially polarize valley excitons with chiral light and furthermore create coherent superpositions of K and K’ polarized states. Yet, at ambient conditions dephasing usually becomes too dominant, and valley coherence typically is not observable. Here, we demonstrate that valley coherence is, however, clearly observable for a single monolayer of WSe2, if it is strongly coupled to the optical mode of a high quality factor microcavity. The azimuthal vector, representing the phase of the valley coherent superposition, can be directly manipulated by applying magnetic fields, and furthermore, it sensibly reacts to the polarization anisotropy of the cavity which represents an artificial magnetic field. Our results are in qualitative and quantitative agreement with our model based on pseudospin rate equations, accounting for both effects of real and pseudo-magnetic fields. Copyright © 2020, The Authors. All rights reserved.

关键词： Landforms

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Enlarged firing window and efficiency boosting of PERC solar cells by ‘laser enhanced contact optimization’ (LECO)

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AIP Conference Proceedings 2022年第1期2487卷

作者： Hannes Höffler Tobias Fellmeth Felix Maischner Johannes Greulich Eve Krassowski Andreas Henning 1Fraunhofer Institute for Solar Energy Systems ISE Heidenhofstr. 2 D-79110 Freiburg Germany 2CE Cell Engineering GmbH Orionstraße 1 D-06184 Kabelsketal Germany 3Heraeus Deutschland GmbH & Co. KG Heraeusstraße 12-14 D-63450 Hanau Germany

In this contribution PERC solar cells are produced with a large variation of firing temperatures during the contact firing process. In addition the cells are exposed to the novel process ‘laser enhanced contact optimization’ (LECO). The front metallization is realized with standard silver pastes and LECO specific pastes on ultra-low doped (ULD) emitters with sheet resistances around 150 Ω/sq. The experiment shows that LECO significantly enlarges the firing window for the standard paste allowing fill factors of a minimum of 80 % for peak firing temperatures as low as 740°C. Hence LECO enables the choice of ideal firing conditions for standard pastes on ULD emitters, leading to an efficiency gain of 0.37 %abs. comparing the groups with and without LECO treatment. Moreover the use LECO specific pastes shows a very surprising and strong increase of short circuit current density jsc when going to lower firing temperatures and firing temperature profiles that differ from default. The best group metallized with LECO specific pastes was fired at a pre-peak temperature of 700°C and a peak temperature of 770°C resulting in an average efficiency of 22.54 % which is partially enabled by the high gain in jsc of 0.37 mA/cm2 compared to the best jsc obtained without LECO treatment. We believe that the ideal firing conditions for LECO specific pastes are not fully exploited and that there is even further potential by adjusting the firing profile to a LECO paste specific optimum.

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