Photon Upconversion Heterostructures Made From Surface Anchored Metal Organic Frameworks PDF Download

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Photon Upconversion Heterostructures Made From Surface-anchored Metal-organic Frameworks

Photon Upconversion Heterostructures Made From Surface-anchored Metal-organic Frameworks
Author: Michael Oldenburg
Publisher:
Total Pages: 170
Release: 2020-10-09
Genre: Science
ISBN: 9781013280702

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This work deals with the process of photon upconversion in surface-anchored metal-organic frameworks. During the upconversion, two low-energy photons are absorbed and fused into a higher-energy photon, which is emitted. In this work, this process is analyzed in surface-bound metal-organic frameworks by spectroscopic methods. Furthermore, the application for increasing the efficiency of solar cells is discussed. 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.


Advanced Elastocaloric Cooling Devices Based on Shape Memory Alloy Films

Advanced Elastocaloric Cooling Devices Based on Shape Memory Alloy Films
Author: Brüderlin, Florian
Publisher: KIT Scientific Publishing
Total Pages: 292
Release: 2022-11-15
Genre: Technology & Engineering
ISBN: 3731510650

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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

In Situ Characterization and Modelling of Drying Dynamics for Scalable Printing of Hybrid Perovskite Photovoltaics
Author: Ternes, Simon
Publisher: KIT Scientific Publishing
Total Pages: 302
Release: 2023-03-27
Genre: Technology & Engineering
ISBN: 3731512556

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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

Innovative micro-NMR/MRI functionality utilizing flexible electronics and control systems
Author: Nassar, Omar
Publisher: KIT Scientific Publishing
Total Pages: 278
Release: 2023-08-15
Genre:
ISBN: 3731511762

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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

Power Generation by Resonant Self-Actuation
Author: Joseph, Joel
Publisher: KIT Scientific Publishing
Total Pages: 288
Release: 2023-12-28
Genre:
ISBN: 3731513277

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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

NMR micro-detectors tailored for multinuclear and electrochemistry lab-on-a-chip applications
Author: Davoodi, Hossein
Publisher: KIT Scientific Publishing
Total Pages: 238
Release: 2022-01-14
Genre: Technology & Engineering
ISBN: 3731511185

Download NMR micro-detectors tailored for multinuclear and electrochemistry lab-on-a-chip applications Book in PDF, ePub and Kindle

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.


The Exploration of Supramolecular Systems and Nanostructures by Photochemical Techniques

The Exploration of Supramolecular Systems and Nanostructures by Photochemical Techniques
Author: Paola Ceroni
Publisher: Springer Science & Business Media
Total Pages: 241
Release: 2011-11-01
Genre: Science
ISBN: 9400720424

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The Exploration of Supramolecular Systems and Nanostructures by Photochemical Techniques provides a comprehensive view of the most commonly used photochemical and photophysical techniques and their applications to the study of supramolecular systems. Optical inputs are extremely powerful in the study of nanostructures since they can be used both to “read” the state of the system and to provide it energy to work. After a brief introduction to the realm of photochemistry, electronically excited state formation and the different pathways of excited state deactivation, the book focuses on the theoretical basis and the practical aspects related to the most widely used photophysical and photochemical techniques, from absorption to time-resolved emission techniques with polarized light. Each chapter illustrates an example of the application of that particular technique to the study of a supramolecular system. The Exploration of Supramolecular Systems and Nanostructures by Photochemical Techniques not only discusses the latest advances of the field of supramolecular photochemistry but it also offers technical and operative details useful in the laboratory. It is therefore suitable for both the novice and the expert.