Bioinspired Superhydrophobic Nano And Microstructured Surfaces For Drag Reduction And Optoelectronics
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Bioinspired Superhydrophobic Nano And Microstructured Surfaces For Drag Reduction And Optoelectronics
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Author : Felix Vüllers
language : en
Publisher: KIT Scientific Publishing
Release Date : 2018-08-30
Bioinspired Superhydrophobic Nano And Microstructured Surfaces For Drag Reduction And Optoelectronics written by Felix Vüllers and has been published by KIT Scientific Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-08-30 with Optoelectronic devices categories.
Inspired by superhydrophobic leaves of water plants, a flexible superhydrophobic self-cleaning, transparent thin polymeric nanofur film was fabricated through highly scalable hot embossing and hot pulling techniques. Nanofur can retain an air film underwater, whose stability against external stimuli such as high pressure and movement through fluids is investigated. Additionally, the optical properties of nanofur are investigated and exploited to enhance the efficiency of optoelectronic devices.
Bioinspired Superhydrophobic Nano And Microstructured Surfaces For Drag Reduction And Optoelectronics
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Author : Felix Vüllers
language : en
Publisher:
Release Date : 2020-10-09
Bioinspired Superhydrophobic Nano And Microstructured Surfaces For Drag Reduction And Optoelectronics written by Felix Vüllers and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-10-09 with Transportation categories.
Inspired by superhydrophobic leaves of water plants, a flexible superhydrophobic self-cleaning, transparent thin polymeric nanofur film was fabricated through highly scalable hot embossing and hot pulling techniques. Nanofur can retain an air film underwater, whose stability against external stimuli such as high pressure and movement through fluids is investigated. Additionally, the optical properties of nanofur are investigated and exploited to enhance the efficiency of optoelectronic devices. This work was published by Saint Philip Street Press pursuant to a Creative Commons license permitting commercial use. All rights not granted by the work's license are retained by the author or authors.
Photon Upconversion Heterostructures Made From Surface Anchored Metal Organic Frameworks
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Author : Oldenburg, Michael
language : en
Publisher: KIT Scientific Publishing
Release Date : 2019-01-22
Photon Upconversion Heterostructures Made From Surface Anchored Metal Organic Frameworks written by Oldenburg, Michael and has been published by KIT Scientific Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-01-22 with categories.
Advanced Elastocaloric Cooling Devices Based On Shape Memory Alloy Films
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Author : Brüderlin, Florian
language : en
Publisher: KIT Scientific Publishing
Release Date : 2022-11-15
Advanced Elastocaloric Cooling Devices Based On Shape Memory Alloy Films written by Brüderlin, Florian and has been published by KIT Scientific Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-11-15 with Technology & Engineering categories.
Elastocaloric cooling is an emerging solid-state cooling technology with the potential to provide environmentally friendly, efficient cooling. The elastocaloric effect in superelastic shape memory alloy films is used to develop advanced cooling devices for small-scale applications. Cascaded and parallelized devices are developed to increase device temperature span and cooling capacity. The concepts are proven experimentally, a maximum temperature span of 27° C is achieved in a cascaded device.
In Situ Characterization And Modelling Of Drying Dynamics For Scalable Printing Of Hybrid Perovskite Photovoltaics
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Author : Ternes, Simon
language : en
Publisher: KIT Scientific Publishing
Release Date : 2023-03-27
In Situ Characterization And Modelling Of Drying Dynamics For Scalable Printing Of Hybrid Perovskite Photovoltaics written by Ternes, Simon and has been published by KIT Scientific Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-03-27 with Technology & Engineering categories.
Hybrid perovskite photovoltaics could play a vital role in future’s renewable energy production. However, there are still severe challenges when scaling the technology. In this work, perovskite solution films drying in laminar and slot-jet air flows are investigated extensively by optical in situ characterization. The main results are a quantitative model of perovskite drying dynamics and a novel in situ imaging technique – yielding valuable predictions for large-scale perovskite fabrication.
Innovative Micro Nmr Mri Functionality Utilizing Flexible Electronics And Control Systems
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Author : Nassar, Omar
language : en
Publisher: KIT Scientific Publishing
Release Date : 2023-08-15
Innovative Micro Nmr Mri Functionality Utilizing Flexible Electronics And Control Systems written by Nassar, Omar and has been published by KIT Scientific Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-08-15 with categories.
The advantages offered by the flexible electronics and control systems technologies were utilized for tackling the challenges facing two crucial Magnetic Resonance (MR) applications. The first application is in the field of interventional Magnetic Resonance Imaging (MRI), and the other application is in the field of Nuclear Magnetic Resonance spectroscopy (NMR).
Power Generation By Resonant Self Actuation
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Author : Joseph, Joel
language : en
Publisher: KIT Scientific Publishing
Release Date : 2023-12-28
Power Generation By Resonant Self Actuation written by Joseph, Joel and has been published by KIT Scientific Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-12-28 with categories.
Die Forschung im Bereich der Mikro-Energiegewinnungssysteme wurde durch den Bedarf an autarken, stabilen Energiequellen für vernetzte drahtlose Sensoren vorangetrieben. Abwärme, insbesondere bei Temperaturen unter 200 °C, stellt eine vielversprechende, aber mit den derzeitigen Umwandlungstechnologien schwer zu gewinnende Energiequelle dar. - Research into micro energy harvesting systems has been driven by the need for self-sustaining, stable power sources for interconnected wireless sensors. Waste heat, particularly at temperatures below 200 °C, presents a promising but challenging energy source to recover using current conversion technology.
Nmr Micro Detectors Tailored For Multinuclear And Electrochemistry Lab On A Chip Applications
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Author : Davoodi, Hossein
language : en
Publisher: KIT Scientific Publishing
Release Date : 2022-01-14
Nmr Micro Detectors Tailored For Multinuclear And Electrochemistry Lab On A Chip Applications written by Davoodi, Hossein and has been published by KIT Scientific Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-01-14 with Technology & Engineering categories.
This work offers three solutions tailored to specific applications to overcome NMR challenges in the micro-domain. As the first sub-topic of this work, different potential electrode designs, compatible with NMR technique, are suggested and experimentally evaluated. As the second focus point, this work tackles multinuclear detection challenges. In parallel, a low-cost, broadband insert is discussed to enhance the sensitivity of standard NMR coils when a small sample volume is available.
Bioinspired Superhydrophobic Surfaces
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Author : Frédéric Guittard
language : en
Publisher: CRC Press
Release Date : 2017-10-06
Bioinspired Superhydrophobic Surfaces written by Frédéric Guittard and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-10-06 with Science categories.
Materials with superhydrophobic or related properties are one of the most studied subjects from a theoretical point of view and also for the large range of possible applications, for example, anticorrosion, antibacteria, optical devices, and sensors. The study of natural species with special wettability has shown us the importance of surface structures and the surface energy of the resulting surface properties. Various strategies can be used to reproduce superhydrophobic phenomena in the laboratory. General reviews on superhydrophobic properties already exist but, to our knowledge, do not focus on metallic and inorganic materials. Here, we focus especially on the strategies implemented for reaching superhydrophobic or related properties using metallic and inorganic materials. Indeed, these materials present unique properties, for example, thermal and mechanical resistance, chemical and ageing resistance, and optical (transparency, antireflection, photoluminescence) and electrical properties (conducting, semiconducting, insulating). This book will be useful for graduate students of materials chemistry and physics and for researchers in surface science, nanostructures, and bioinspired or biomimetic materials.
Langzeitstabilit T Der Innendr Cke Von Kavernen Benachbarter Mems Sensoren Auf Siliziumbasis
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Author : Kopf, Marlene
language : de
Publisher: KIT Scientific Publishing
Release Date : 2022-03-31
Langzeitstabilit T Der Innendr Cke Von Kavernen Benachbarter Mems Sensoren Auf Siliziumbasis written by Kopf, Marlene and has been published by KIT Scientific Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-03-31 with Technology & Engineering categories.
Aufgrund eines Trends zur Miniaturisierung vieler MEMS-Bauelemente und somit auch der Kavernenvolumina von Inertialsensoren wird der Einfluss geringfügiger Veränderungen der Dämpfungsatmosphäre in Sensorkavernen auf die Zuverlässigkeit der Sensoren immer größer. In dieser Arbeit werden Mechanismen untersucht, die sich auf die Druckstabilität von Gyroskopen auswirken, und Gegenmaßnahmen vorgestellt. Ein Schwerpunkt liegt auf Desorptionsquellen sowie Gasdiffusionspfaden im Sensoraufbau. - Due to a trend towards miniaturization of many MEMS devices and thus also the cavity volumes of inertial sensors, the influence of slight changes in the damping atmosphere in sensor cavities on the reliability of the sensors is increasing. In this work, mechanisms affecting the pressure stability of gyroscopes are investigated and countermeasures are presented. A focus is placed on desorption sources as well as gas diffusion paths in the sensor layer stack.