Polarz, Sebastian, Roy, Abhijit, Lehmann, Michael, Driess, Matthias, Kruis, Frank Einar, Hoffmann, Andreas, ...
Chemical sensing on oxide sensors is a complex phenomenon involving catalytic activity as well as electronic properties. Thus, the properties of oxide sensors are highly sensitive towards structural...
Polarz, Sebastian, Orlov, Andrey V., Schüth, Ferdi, Lu, An-Hui
Transition-metal-oxide materials possessing ordered mesoporosity have recently attracted significant research interest due to their numerous potential applications. Among them, ordered mesoporous...
Orlov, Andrey V., Roy, Abhijit, Lehmann, Michael, Driess, Matthias, Polarz, Sebastian
Two organometallic compounds containing zinc and manganese in different ratios are used as single-source precursors for the preparation of various new, bimetallic oxide materials with nanoscaled...
On the Role of Oxygen Defects in the Catalytic Performance of Zinc Oxide (2006)
Polarz, Sebastian, Strunk, Jennifer, Ischenko, Vladislav, Hinrichsen, Olaf, Muhler, Martin, ...
Über den Einfluss von Sauerstoffdefektstellen auf die katalytische Aktivität von Zinkoxid (2006)
Polarz, Sebastian, Strunk, Jennifer, Ischenko, Vladislav, Van Den Berg, Maurits, Hinrichsen, Olaf, Muhler, Martin, ...
Polarz, Sebastian, Tkachenko, Olga P., Klementiev, Konstantin V., Bandyopadhyay, Mahuya, Khodeir, Lamma, ...
Copper and zinc were introduced into mesoporous siliceous matrices with the goal of obtaining model methanol synthesis catalysts with intense interaction between copper and the ZnO promoter. The...
Chemical vapor synthesis of size-selected zinc oxide nanoparticles (2005)
Polarz, Sebastian, Roy, Abhijit, Merz, Michael, Halm, Simon, Schröder, Detlef, Schneider, Lars, ...
ZnO can be regarded as one of the most important metal oxide semiconductors for future applications. Similar to silicon in microelectronics, it is not only important to obtain nanoscale building...
Schröder, Detlef, Schwarz, Helmut, Polarz, Sebastian, Driess, Matthias
The sequential dissociations of the tetranuclear zinc cluster-ion [(CH3)3Zn4(O-i-C3H7)4]+ obtained by dissociative electron ionization of neutral [(CH3)Zn(O-i-C3H7)]4 are investigated by tandem mass...
Zinc Oxide Nanoparticles with Defects (2005)
Ischenko, Vladislav, Polarz, Sebastian, Grote, Dirk, Stavarache, Victorina, Fink, Karin, Driess, Matthias
Zinc oxide in the form of nanoscale materials can be regarded as one of the most important semiconductor oxides at present. However, the question of how chemical defects influence the properties of...
Mesosynthesis of ZnO-Silica Composites for Methanol Nanocatalysis (2005)
Polarz, Sebastian, Neues, F., Grünert, Wolfgang, Khodeir, Lamma
Methanol catalysis meets chemistry under confined conditions. Methanol is regarded as one of the most important future energy sources. ZnO/Cu composite materials are very effective in heterogeneous...
Roy, Abhijit, Polarz, Sebastian, Rabe, Stefan, Rellinghaus, Bernd, Zähres, Horst, Kruis, Frank E., ...
A method is presented to prepare nanocrystalline α-Zn2SiO4 with the smallest crystal size reported so far for this system. Our approach combines the advantages of organometallic single-source...
Groenewolt, Matthijs, Antonietti, Markus, Polarz, Sebastian
Highly organized mesoporous silica monoliths were reproducibly prepared by nanocasting mixtures of fluorinated nonionic surfactants and micelles of two hydrocarbon block copolymers. It is the special...
Dag, Ömer, Soten, Ivana, Çelik, Özgür, Polarz, Sebastian, Coombs, Neil, Ozin, Geoffrey A.
A new highly reproducible method to obtain mesostructured titania materials is introduced in this contribution. The meso-structured titania is obtained by employing self-assembled structures of...
Thomas, Arne, Polarz, Sebastian, Antonietti, Markus
(Chemical) processes under spatial confinements are important for a number of areas, as for instance in catalysis (chemistry) or enzymatic reactions (biology). The role of the spatial restriction...
Redox Behavior of Nanostructured Molybdenum Oxide-Mesoporous Silica Hybrid Materials (2003)
Hornebecq, Virginie, Mastai, Yitzhak, Antonietti, Markus, Polarz, Sebastian
Encapsulation of molybdenum oxide MoO3 into ordered mesoporous silica materials is demonstrated using different synthetic routes. Either supramolecular polyoxometalates of the Müller type or Na...
Polarz, Sebastian, Antonietti, Markus
Nanocasting, the 3D-transformation of self-assembled organic nanostructures into hollow inorganic replicas under preservation of fine structural details has recently turned out to be a versatile...
Silica-carbon nanocomposites : a new concept for the design of solar absorbers (2002)
Mastai, Yitzhak, Polarz, Sebastian, Antonietti, Markus
To create materials that are composites or hybrids structured on the nanometer scale or the meso-domain, respectively, is one of the major tasks in modern materials science. In this paper, we...
Polarz, Sebastian, Smarsly, Bernd
The current review article attempts to cover the Ž eld of nanoporous materials, thereby materials with voids of the order of 1 nm to 100 nm or even larger. Concepts, that have an effect on a...
Hierachical porous carbon structures from cellulose acetate fibers (2002)
Polarz, Sebastian, Smarsly, Bernd, Schattka, Jan H.
This study describes the transformation of cellulose acetate filters into porous carbon structures by a facile, direct process. Filters from cigarettes were used as the source for cellulose acetate...
From cyclodextrin assemblies to porous materials by silica templating (2001)
Polarz, Sebastian, Smarsly, Bernd, Bronstein, Lyudmila, Antonietti, Markus
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Sub-Nanometer Noble-Metal Paricle Host Synthesis in Porous Silica Monoliths (2001)
Bronstein, Lyudmila M., Polarz, Sebastian, Smarsly, Bernd, Antonietti, Markus
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Han, Bao-Hang, Polarz, Sebastian, Antonietti, Markus
Inclusion complexs of cyclodextrins with organometallic coordination compounds of Pd, Pt, Rh, Fe, Ni, and Ru have been used to produce porous metal-silica hybrid materials. The cyclodextrins are...
Smarsly, Bernd, Polarz, Sebastian, Antonietti, Markus
Sol-gel nanocasting is used to imprint the soft-matter structures of lyotropic phases of nonionic n-alkylpoly(ethylene oxide) amphiphiles (CxEy) into solid porous silica. Small angle X-ray...
Konzepte der Nanochemie auf der Basis von porösen Materialien / (2001)
Potsdam, Universiẗat, Diss., 2001.