Search Results - "Seibel, Johannes"

Chemical modification of 2D materials using molecules and assemblies of molecules by Daukiya, Lakshya, Seibel, Johannes, De Feyter, Steven

“…In this article, we discuss the recent progress on controlled structural modification of 2D materials by means of molecular functionalization, with a focus on…”
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From Homochiral Clusters to Racemate Crystals: Viable Nuclei in 2D Chiral Crystallization by Seibel, Johannes, Parschau, Manfred, Ernst, Karl-Heinz

“…The quest for enantiopure compounds raises the question of which factors favor conglomerate crystallization over racemate crystallization. Studying nucleation…”
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Preferred Formation of Minority Concomitant Polymorphs in 2D Self‐Assembly under Lateral Nanoconfinement by Seibel, Johannes, Amabilino, David B., De Feyter, Steven

“…Control over polymorph formation in the crystallization of organic molecules remains a huge scientific challenge. Now, preferential formation is presented of…”
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Two-Dimensional Crystallization of Enantiopure and Racemic Heptahelicene on Ag(111) and Au(111) by Seibel, Johannes, Parschau, Manfred, Ernst, Karl-Heinz

“…Insight into recognition among helical molecules is highly relevant for understanding chiral separation or biomolecular activity. The two-dimensional…”
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Biasing Enantiomorph Formation via Geometric Confinement: Nanocorrals for Chiral Induction at the Liquid–Solid Interface by Seibel, Johannes, Verstraete, Lander, Hirsch, Brandon E, Bragança, Ana M, De Feyter, Steven

“…Nanocorrals created by scanning probe lithography on covalently modified graphite surfaces are used to induce a chiral bias in the enantiomorphic assembly of a…”
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Covalent transfer of chemical gradients onto a graphenic surface with 2D and 3D control by Xia, Yuanzhi, Sevim, Semih, Vale, João Pedro, Seibel, Johannes, Rodríguez-San-Miguel, David, Kim, Donghoon, Pané, Salvador, Mayor, Tiago Sotto, De Feyter, Steven, Puigmartí-Luis, Josep

“…Control over the functionalization of graphenic materials is key to enable their full application in electronic and optical technologies. Covalent…”
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Detection and Stabilization of a Previously Unknown Two-Dimensional (Pseudo)polymorph using Lateral Nanoconfinement by Bragança, Ana M, Minoia, Andrea, Steeno, Roelof, Seibel, Johannes, Hirsch, Brandon E, Verstraete, Lander, Ivasenko, Oleksandr, Müllen, Klaus, Mali, Kunal S, Lazzaroni, Roberto, De Feyter, Steven

“…We report on the detection and stabilization of a previously unknown two-dimensional (2D) pseudopolymorph of an alkoxy isophthalic acid using lateral…”
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Chiral Conflict among Different Helicenes Suppresses Formation of One Enantiomorph in 2D Crystallization by Seibel, Johannes, Allemann, Oliver, Siegel, Jay S, Ernst, Karl-Heinz

“…Diastereomeric inter­actions in 2D crystals formed at solid surfaces serve as excellent models for understanding molecular recognition in biomineralization…”
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Heterochiral to Homochiral Transition in Pentahelicene 2D Crystallization Induced by Second-Layer Nucleation by Mairena, Anaïs, Zoppi, Laura, Seibel, Johannes, Tröster, Alix F, Grenader, Konstantin, Parschau, Manfred, Terfort, Andreas, Ernst, Karl-Heinz

“…Gaining insight into molecular recognition at the molecular level, in particular, during nucleation of crystallites, is challenging and calls for studying…”
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Pasteur’s Experiment Performed at the Nanoscale: Manual Separation of Chiral Molecules, One by One by Ernst, Karl-Heinz, Baumann, Susanne, Lutz, Christopher P, Seibel, Johannes, Zoppi, Laura, Heinrich, Andreas J

“…Understanding the principles of molecular recognition is a difficult task and calls for investigation of appropriate model systems. Using the manipulation…”
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Self‐templated covalent functionalization of graphitic surfaces with a quasi‐periodic pattern by Xia, Yuanzhi, Seibel, Johannes, De Feyter, Steven

“…Patterned covalent functionalization of graphitic surfaces (GSs) is of interest in the development of devices and nanocomposite materials. In contrast to the…”
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Grafting Ink for Direct Writing: Solvation Activated Covalent Functionalization of Graphene by Xia, Yuanzhi, Sun, Li, Eyley, Samuel, Daelemans, Brent, Thielemans, Wim, Seibel, Johannes, De Feyter, Steven

“…Covalent functionalization of graphene (CFG) has shown attractive advantages in tuning the electronic, mechanical, optical, and thermal properties of graphene…”
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Dithienylcyclopentene-functionalised subphthalocyaninatoboron complexes: photochromism, luminescence modulation and formation of self-assembled monolayers on gold by Weidner, Tobias, Baio, Joe E, Seibel, Johannes, Siemeling, Ulrich

“…Subphthalocyaninatoboron (SubPc) complexes bearing six peripheral n-dodecylthio substituents and an apical photochromic dithienylperfluorocyclopentene unit…”
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Scanning Probe Microscopy Characterization of Biomolecules enabled by Mass‐Selective, Soft‐landing Electrospray Ion Beam Deposition by Seibel, Johannes, Anggara, Kelvin, Delbianco, Martina, Rauschenbach, Stephan

“…Scanning probe microscopy (SPM), in particular at low temperature (LT) under ultra‐high vacuum (UHV) conditions, offers the possibility of real‐space imaging…”
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Chirality-Dependent Electron Spin Filtering by Molecular Monolayers of Helicenes by Kettner, Matthias, Maslyuk, Volodymyr V, Nürenberg, Daniel, Seibel, Johannes, Gutierrez, Rafael, Cuniberti, Gianaurelio, Ernst, Karl-Heinz, Zacharias, Helmut

“…The interaction of low-energy photoelectrons with well-ordered monolayers of enantiopure helical heptahelicene molecules adsorbed on metal surfaces leads to a…”
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Self‐templated covalent functionalization of graphitic surfaces with a quasi‐periodic pattern: Nanoscience: Special Issue Dedicated to Professor Paul S. Weiss by Xia, Yuanzhi, Seibel, Johannes, De Feyter, Steven

“…Abstract Patterned covalent functionalization of graphitic surfaces (GSs) is of interest in the development of devices and nanocomposite materials. In contrast…”
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Visualizing Chiral Interactions in Carbohydrates Adsorbed on Au(111) by High‐Resolution STM Imaging by Seibel, Johannes, Fittolani, Giulio, Mirhosseini, Hossein, Wu, Xu, Rauschenbach, Stephan, Anggara, Kelvin, Seeberger, Peter H., Delbianco, Martina, Kühne, Thomas D., Schlickum, Uta, Kern, Klaus

“…Carbohydrates are the most abundant organic material on Earth and the structural “material of choice” in many living systems. Nevertheless, design and…”
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Correction to “Chiral Conflict among Different Helicenes Suppresses Formation of One Enantiomorph in 2D Crystallization” by Seibel, Johannes, Allemann, Oliver, Siegel, Jay S, Ernst, Karl-Heinz

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Growth Dynamics and Electron Reflectivity in Ultrathin Films of Chiral Heptahelicene on Metal (100) Surfaces Studied by Spin‐Polarized Low Energy Electron Microscopy by Baljozović, Miloš, Fernandes Cauduro, André L., Seibel, Johannes, Mairena, Anaïs, Grass, Stéphane, Lacour, Jérôme, Schmid, Andreas K., Ernst, Karl-Heinz

“…Helically shaped aromatic hydrocarbons, so‐called helicenes, provide promising properties for chiral organic electronics. A special transition from a dense…”
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Double layer crystallization of heptahelicene on noble metal surfaces by Seibel, Johannes, Parschau, Manfred, Ernst, Karl‐Heinz

“…Resolution of enantiomers of chiral compounds via crystallization is the dominant method in chemical industry, but chiral recognition at the molecular level…”
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