Search Results - "Berger, Rüdiger"

Photoswitching of glass transition temperatures of azobenzene-containing polymers induces reversible solid-to-liquid transitions by Zhou, Hongwei, Xue, Changguo, Weis, Philipp, Suzuki, Yasuhito, Huang, Shilin, Koynov, Kaloian, Auernhammer, Günter K., Berger, Rüdiger, Butt, Hans-Jürgen, Wu, Si

“…The development of polymers with switchable glass transition temperatures ( T g ) can address scientific challenges such as the healing of cracks in high- T g…”
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Ferroelastic Fingerprints in Methylammonium Lead Iodide Perovskite by Hermes, Ilka M, Bretschneider, Simon A, Bergmann, Victor W, Li, Dan, Klasen, Alexander, Mars, Julian, Tremel, Wolfgang, Laquai, Frédéric, Butt, Hans-Jürgen, Mezger, Markus, Berger, Rüdiger, Rodriguez, Brian J, Weber, Stefan A. L

“…Methylammonium lead iodide (MAPbI3) perovskite shows an outstanding performance in photovoltaic devices. However, certain material properties, especially the…”
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Adaptive WettingAdaptation in Wetting by Butt, Hans-Jürgen, Berger, Rüdiger, Steffen, Werner, Vollmer, Doris, Weber, Stefan A. L

“…Many surfaces reversibly change their structure and interfacial energy upon being in contact with a liquid. Such surfaces adapt to a specific liquid. We…”
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Patchy Nanocapsules of Poly(vinylferrocene)-Based Block Copolymers for Redox-Responsive Release by Staff, Roland H, Gallei, Markus, Mazurowski, Markus, Rehahn, Matthias, Berger, Rüdiger, Landfester, Katharina, Crespy, Daniel

“…Nanocapsules composed of a poly(vinylferrocene)-block-poly(methyl methacrylate) shell and a hydrophobic liquid core are prepared in water. The nanocapsule…”
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Humidity-Induced Grain Boundaries in MAPbI3 Perovskite Films by Li, Dan, Bretschneider, Simon A, Bergmann, Victor W, Hermes, Ilka M, Mars, Julian, Klasen, Alexander, Lu, Hao, Tremel, Wolfgang, Mezger, Markus, Butt, Hans-Jürgen, Weber, Stefan A. L, Berger, Rüdiger

“…Methylammonium lead halide perovskites (MAPbI3) are very sensitive to humid environments. We performed in situ scanning force microscopy and in situ X-ray…”
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Kinetic drop friction by Li, Xiaomei, Bodziony, Francisco, Yin, Mariana, Marschall, Holger, Berger, Rüdiger, Butt, Hans-Jürgen

“…Liquid drops sliding on tilted surfaces is an everyday phenomenon and is important for many industrial applications. Still, it is impossible to predict the…”
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Clathrate Adhesion Induced by Quasi-Liquid Layer by Nguyen, Ngoc N, Berger, Rüdiger, Kappl, Michael, Butt, Hans-Jürgen

“…The adhesive force of clathrates to surfaces is a century-old problem of pipeline blockage for the energy industry. Here, we provide new physical insight into…”
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When and how self-cleaning of superhydrophobic surfaces works by Geyer, Florian, D'Acunzi, Maria, Sharifi-Aghili, Azadeh, Saal, Alexander, Gao, Nan, Kaltbeitzel, Anke, Sloot, Tim-Frederik, Berger, Rüdiger, Butt, Hans-Jürgen, Vollmer, Doris

“…Despite the enormous interest in superhydrophobicity for self-cleaning, a clear picture of contaminant removal is missing, in particular, on a single-particle…”
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Energy Dissipation of Moving Drops on Superhydrophobic and Superoleophobic Surfaces by Butt, Hans-Jürgen, Gao, Nan, Papadopoulos, Periklis, Steffen, Werner, Kappl, Michael, Berger, Rüdiger

“…A water drop moving on a superhydrophobic surface or an oil drop moving on a superoleophobic surface dissipates energy by pinning/depinning at nano- and…”
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Adaptive Wetting of Polydimethylsiloxane by Wong, William S. Y, Hauer, Lukas, Naga, Abhinav, Kaltbeitzel, Anke, Baumli, Philipp, Berger, Rüdiger, D‘Acunzi, Maria, Vollmer, Doris, Butt, Hans-Jürgen

“…To better understand the wetting of cross-linked polydimethylsiloxane (PDMS), we measured advancing and receding contact angles of sessile water drops on…”
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Understanding the evolution of lithium dendrites at Li6.25Al0.25La3Zr2O12 grain boundaries via operando microscopy techniques by Zhu, Chao, Fuchs, Till, Weber, Stefan A. L., Richter, Felix. H., Glasser, Gunnar, Weber, Franjo, Butt, Hans-Jürgen, Janek, Jürgen, Berger, Rüdiger

“…The growth of lithium dendrites in inorganic solid electrolytes is an essential drawback that hinders the development of reliable all-solid-state lithium metal…”
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Acidic pH Promotes Refolding and Macroscopic Assembly of Amyloid β (16–22) Peptides at the Air–Water Interface by Lu, Hao, Bellucci, Luca, Sun, Shumei, Qi, Daizong, Rosa, Marta, Berger, Rüdiger, Corni, Stefano, Bonn, Mischa

“…Assembly by amyloid-beta (Aβ) peptides is vital for various neurodegenerative diseases. The process can be accelerated by hydrophobic interfaces such as the…”
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Real-space observation of unbalanced charge distribution inside a perovskite-sensitized solar cell by Bergmann, Victor W., Weber, Stefan A. L., Javier Ramos, F., Nazeeruddin, Mohammad Khaja, Grätzel, Michael, Li, Dan, Domanski, Anna L., Lieberwirth, Ingo, Ahmad, Shahzada, Berger, Rüdiger

“…Perovskite-sensitized solar cells have reached power conversion efficiencies comparable to commercially available solar cells used for example in solar farms…”
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Adaptation of a Styrene–Acrylic Acid Copolymer Surface to Water by Li, Xiaomei, Silge, Simon, Saal, Alexander, Kircher, Gunnar, Koynov, Kaloian, Berger, Rüdiger, Butt, Hans-Jürgen

“…Solid surfaces, in particular polymer surfaces, are able to adapt upon contact with a liquid. Adaptation results in an increase in contact angle hysteresis and…”
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Enhanced Vertical Charge Transport of Homo‐ and Blended Semiconducting Polymers by Nanoconfinement by Ko, Jongkuk, Kim, Youngkeol, Kang, Jin Soo, Berger, Rüdiger, Yoon, Hyunsik, Char, Kookheon

“…The morphology of conjugated polymers has critical influences on electronic and optical properties of optoelectronic devices. Even though lots of techniques…”
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Premelting-Induced Agglomeration of Hydrates: Theoretical Analysis and Modeling by Nguyen, Ngoc N, Berger, Rüdiger, Butt, Hans-Jürgen

“…Resolving the long-standing problem of hydrate plugging in oil and gas pipelines has driven an intense quest for mechanisms behind the plug formation. However,…”
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Surface Premelting and Interfacial Interactions of Semi-Clathrate Hydrate by Nguyen, Ngoc N, Berger, Rüdiger, Butt, Hans-Jürgen

“…Clathrate hydrates are a demanding field of research because of their fundamental impact on human life and the environment. Interfacial forces involving…”
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Local Time-Dependent Charging in a Perovskite Solar Cell by Bergmann, Victor W, Guo, Yunlong, Tanaka, Hideyuki, Hermes, Ilka M, Li, Dan, Klasen, Alexander, Bretschneider, Simon A, Nakamura, Eiichi, Berger, Rüdiger, Weber, Stefan A. L

“…Efficient charge extraction within solar cells explicitly depends on the optimization of the internal interfaces. Potential barriers, unbalanced charge…”
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Thiadizoloquinoxaline-Based Low-Bandgap Conjugated Polymers as Ambipolar Semiconductors for Organic Field Effect Transistors by An, Cunbin, Li, Mengmeng, Marszalek, Tomasz, Li, Dan, Berger, Rüdiger, Pisula, Wojciech, Baumgarten, Martin

“…Two novel conjugated polymers with high molecular weight, PBDTTQ-3 and PAPhTQ, were synthesized by tuning alkyl chains and alternating the electron-donating…”
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Removal of Surface Oxygen Vacancies Increases Conductance Through TiO2 Thin Films for Perovskite Solar Cells by Klasen, Alexander, Baumli, Philipp, Sheng, Qu, Johannes, Ewald, Bretschneider, Simon A, Hermes, Ilka M, Bergmann, Victor W, Gort, Christopher, Axt, Amelie, Weber, Stefan A. L, Kim, Heejae, Butt, Hans-Jürgen, Tremel, Wolfgang, Berger, Rüdiger

“…We report that UV–ozone treatment of TiO2 anatase thin films is an efficient method to increase the conductance through the film by more than 2 orders of…”
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