Search Results - "Többens, Daniel"

The phase diagram of a mixed halide (Br, I) hybrid perovskite obtained by synchrotron X-ray diffraction by Lehmann, Frederike, Franz, Alexandra, Többens, Daniel M, Levcenco, Sergej, Unold, Thomas, Taubert, Andreas, Schorr, Susan

“…By using synchrotron X-ray powder diffraction, the temperature dependent phase diagram of the hybrid perovskite tri-halide compounds, methyl ammonium lead…”
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20.8% Slot‐Die Coated MAPbI3 Perovskite Solar Cells by Optimal DMSO‐Content and Age of 2‐ME Based Precursor Inks by Li, Jinzhao, Dagar, Janardan, Shargaieva, Oleksandra, Flatken, Marion A., Köbler, Hans, Fenske, Markus, Schultz, Christof, Stegemann, Bert, Just, Justus, Többens, Daniel M., Abate, Antonio, Munir, Rahim, Unger, Eva

“…Solar cells incorporating metal‐halide perovskite (MHP) semiconductors are continuing to break efficiency records for solution‐processed solar cell devices…”
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Compositional and Interfacial Engineering Yield High-Performance and Stable p‑i‑n Perovskite Solar Cells and Mini-Modules by Dagar, Janardan, Fenske, Markus, Al-Ashouri, Amran, Schultz, Christof, Li, Bor, Köbler, Hans, Munir, Rahim, Parmasivam, Gopinath, Li, Jinzhao, Levine, Igal, Merdasa, Aboma, Kegelmann, Lukas, Näsström, Hampus, Marquez, Jose A, Unold, Thomas, Többens, Daniel M, Schlatmann, Rutger, Stegemann, Bert, Abate, Antonio, Albrecht, Steve, Unger, Eva

“…Through the optimization of the perovskite precursor composition and interfaces to selective contacts, we achieved a p-i-n-type perovskite solar cell (PSC)…”
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Experimental Evidence of Confined Methane Hydrate in Hydrophilic and Hydrophobic Model Carbons by Casco, Mirian E, Zhang, En, Grätz, Sven, Krause, Simon, Bon, Volodymyr, Wallacher, Dirk, Grimm, Nico, Többens, Daniel M, Hauß, Thomas, Borchardt, Lars

“…Methane hydrate confined in porous materials is postulated as an alternative energy storage strategy. By applying model carbons with ordered and uniformly…”
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Infrared Spectroscopic Study of Vibrational Modes across the Orthorhombic–Tetragonal Phase Transition in Methylammonium Lead Halide Single Crystals by Schuck, Götz, Többens, Daniel M, Koch-Müller, Monika, Efthimiopoulos, Ilias, Schorr, Susan

“…Single crystals of the methylammonium (MA) lead halides MAPbI3, MAPbBr3, and MAPbCl3 have been investigated using infrared spectroscopy with the aim of…”
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Cooperative light-induced breathing of soft porous crystals via azobenzene buckling by Krause, Simon, Evans, Jack D., Bon, Volodymyr, Crespi, Stefano, Danowski, Wojciech, Browne, Wesley R., Ehrling, Sebastian, Walenszus, Francesco, Wallacher, Dirk, Grimm, Nico, Többens, Daniel M., Weiss, Manfred S., Kaskel, Stefan, Feringa, Ben L.

“…Although light is a prominent stimulus for smart materials, the application of photoswitches as light-responsive triggers for phase transitions of porous…”
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Br-Induced Suppression of Low-Temperature Phase Transitions in Mixed-Cation Mixed-Halide Perovskites by Hidalgo, Juanita, Breternitz, Joachim, Többens, Daniel M., LaFollette, Diana K., Pedorella, Charles N. B., Sher, Meng-Ju, Schorr, Susan, Correa-Baena, Juan-Pablo

“…Mixed-cation mixed-halide lead perovskites have been shown to be excellent candidates for solar energy conversion. However, understanding the structural phases…”
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The effect of crystallite size on pressure amplification in switchable porous solids by Krause, Simon, Bon, Volodymyr, Senkovska, Irena, Többens, Daniel M., Wallacher, Dirk, Pillai, Renjith S., Maurin, Guillaume, Kaskel, Stefan

“…Negative gas adsorption (NGA) in ordered mesoporous solids is associated with giant contractive structural transitions traversing through metastable states…”
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Charge-transfer crystallites as molecular electrical dopants by Méndez, Henry, Heimel, Georg, Winkler, Stefanie, Frisch, Johannes, Opitz, Andreas, Sauer, Katrein, Wegner, Berthold, Oehzelt, Martin, Röthel, Christian, Duhm, Steffen, Többens, Daniel, Koch, Norbert, Salzmann, Ingo

“…Ground-state integer charge transfer is commonly regarded as the basic mechanism of molecular electrical doping in both, conjugated polymers and oligomers…”
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Indium‐Free Perovskite Solar Cells Enabled by Impermeable Tin‐Oxide Electron Extraction Layers by Hu, Ting, Becker, Tim, Pourdavoud, Neda, Zhao, Jie, Brinkmann, Kai Oliver, Heiderhoff, Ralf, Gahlmann, Tobias, Huang, Zengqi, Olthof, Selina, Meerholz, Klaus, Többens, Daniel, Cheng, Baochang, Chen, Yiwang, Riedl, Thomas

“…Corrosive precursors used for the preparation of organic–inorganic hybrid perovskite photoactive layers prevent the application of ultrathin metal layers as…”
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Towards general network architecture design criteria for negative gas adsorption transitions in ultraporous frameworks by Krause, Simon, Evans, Jack D., Bon, Volodymyr, Senkovska, Irena, Iacomi, Paul, Kolbe, Felicitas, Ehrling, Sebastian, Troschke, Erik, Getzschmann, Jürgen, Többens, Daniel M., Franz, Alexandra, Wallacher, Dirk, Yot, Pascal G., Maurin, Guillaume, Brunner, Eike, Llewellyn, Philip L., Coudert, François-Xavier, Kaskel, Stefan

“…Switchable metal-organic frameworks (MOFs) have been proposed for various energy-related storage and separation applications, but the mechanistic understanding…”
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Temperature-Dependent EXAFS Measurements of the Pb L3-Edge Allow Quantification of the Anharmonicity of the Lead–Halide Bond of Chlorine-Substituted Methylammonium (MA) Lead Triiodide by Schuck, Götz, Többens, Daniel M, Wallacher, Dirk, Grimm, Nico, Tien, Tong Sy, Schorr, Susan

“…This article reports on studies of chlorine-substituted MAPbI3 using combined temperature-dependent X-ray diffraction (XRD) synchrotron and Pb-L3 edge extended…”
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Massive Pressure Amplification by Stimulated Contraction of Mesoporous Frameworks by Bon, Volodymyr, Krause, Simon, Senkovska, Irena, Grimm, Nico, Wallacher, Dirk, Többens, Daniel M., Kaskel, Stefan

“…Herein we demonstrate mesoporous frameworks interacting with carbon dioxide leading to stimulated structural contractions and massive out‐of‐equilibrium…”
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Ink Design Enabling Slot‐Die Coated Perovskite Solar Cells with >22% Power Conversion Efficiency, Micro‐Modules, and 1 Year of Outdoor Performance Evaluation by Li, Jinzhao, Dagar, Janardan, Shargaieva, Oleksandra, Maus, Oliver, Remec, Marco, Emery, Quiterie, Khenkin, Mark, Ulbrich, Carolin, Akhundova, Fatima, Márquez, José A., Unold, Thomas, Fenske, Markus, Schultz, Christof, Stegemann, Bert, Al‐Ashouri, Amran, Albrecht, Steve, Esteves, Alvaro Tejada, Korte, Lars, Köbler, Hans, Abate, Antonio, Többens, Daniel M., Zizak, Ivo, List‐Kratochvil, Emil J. W., Schlatmann, Rutger, Unger, Eva

“…The next technological step in the exploration of metal‐halide perovskite solar cells is the demonstration of larger‐area device prototypes under outdoor…”
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Cu/Zn disorder in stoichiometric Cu2ZnSn(S1-xSex)4 semiconductors: A complementary neutron and anomalous X-ray diffraction study by Gurieva, Galina, Többens, Daniel M., Levcenco, Sergiu, Unold, Thomas, Schorr, Susan

“…The quaternary compound semiconductor Cu2ZnSn(S1-xSex)4 (CZTSSe) which crystallizes in the kesterite-type structure, is a promising material to be used as…”
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Lattice instability and competing spin structures in the double perovskite insulator Sr2FeOsO6 by Paul, Avijit Kumar, Reehuis, Manfred, Ksenofontov, Vadim, Yan, Binghai, Hoser, Andreas, Többens, Daniel M, Abdala, Paula M, Adler, Peter, Jansen, Martin, Felser, Claudia

“…The semiconductor Sr2FeOsO6, depending on temperature, adopts two types of spin structures that differ in the spin sequence of ferrimagnetic iron-osmium layers…”
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Thickness dependence of the electro-mechanical response of sputter-deposited Mo thin films on polyimide: Insights from in situ synchrotron diffraction tensile tests by Jörg, Tanja, Cordill, Megan J., Franz, Robert, Kirchlechner, Christoph, Többens, Daniel M., Winkler, Jörg, Mitterer, Christian

“…The in situ characterization of the deformation and fracture behavior of brittle metal films is of great technological interest for many modern applications. A…”
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In Situ Observation of Gating Phenomena in the Flexible Porous Coordination Polymer Zn2(BPnDC)2(bpy) (SNU-9) in a Combined Diffraction and Gas Adsorption Experiment by Bon, Volodymyr, Senkovska, Irena, Wallacher, Dirk, Többens, Daniel M, Zizak, Ivo, Feyerherm, Ralf, Mueller, Uwe, Kaskel, Stefan

“…The intrinsic structural dynamic during the adsorption of CO2 at 195 K and N2 at 77 K on flexible porous coordination polymer Zn2(BPnDC)2(bpy) (SNU-9) was…”
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The influence of deuteration on the crystal structure of hybrid halide perovskites: a temperature‐dependent neutron diffraction study of FAPbBr3 by Franz, Alexandra, Többens, Daniel M., Lehmann, Frederike, Kärgell, Martin, Schorr, Susan

“…This paper discusses the full structural solution of the hybrid perovskite formamidinium lead tribromide (FAPbBr3) and its temperature‐dependent phase…”
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Engineering micromechanics of soft porous crystals for negative gas adsorption by Krause, Simon, Evans, Jack D, Bon, Volodymyr, Senkovska, Irena, Ehrling, Sebastian, Iacomi, Paul, Többens, Daniel M, Wallacher, Dirk, Weiss, Manfred S, Zheng, Bin, Yot, Pascal G, Maurin, Guillaume, Llewellyn, Philip L, Coudert, François-Xavier, Kaskel, Stefan

“…Framework materials at the molecular level, such as metal-organic frameworks (MOF), were recently found to exhibit exotic and counterintuitive micromechanical…”
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