Search Results - "Alfons Baiker"

NOx storage-reduction catalysis: from mechanism and materials properties to storage-reduction performance by Roy, Sounak, Baiker, Alfons

“…Toyota Motor Corp's mono-nitrogen oxide storage-reduction catalysis is examined. NO(x) is adsorbed on the catalyst went he oxygen under the lean condition is…”
Get full text

Beneficial Interaction of Gold and Palladium in Bimetallic Catalysts for the Selective Oxidation of Benzyl Alcohol by Marx, Stefan, Baiker, Alfons

“…Bi- and monometallic nanoparticles of Au and Pd with a rather narrow size distribution were deposited on polyaniline (PANI) and their structural properties as…”
Get full text

Synthesis, structural properties, and catalytic behavior of Cu-BTC and mixed-linker Cu-BTC-PyDC in the oxidation of benzene derivatives by Marx, Stefan, Kleist, Wolfgang, Baiker, Alfons

“…Cu-BTC was modified via partial substitution of benzene-1,3,5-tricarboxylate (BTC) linkers by pyridine-3,5-dicarboxylate (PyDC). The incorporation of PyDC into…”
Get full text

Acidity enhancement through synergy of penta- and tetra-coordinated aluminum species in amorphous silica networks by Wang, Zichun, Li, Tong, Jiang, Yijiao, Lafon, Olivier, Liu, Zongwen, Trébosc, Julien, Baiker, Alfons, Amoureux, Jean-Paul, Huang, Jun

“…Amorphous silica-aluminas (ASAs) are widely used in acid-catalyzed C-H activation reactions and biomass conversions in large scale, which can be promoted by…”
Get full text

Mixed‐Linker Metal‐Organic Frameworks as Catalysts for the Synthesis of Propylene Carbonate from Propylene Oxide and CO2 by Kleist, Wolfgang, Jutz, Fabian, Maciejewski, Marek, Baiker, Alfons

“…A series of mixed‐linker metal‐organic frameworks(MIXMOFs) of the general formula Zn4O(BDC)x(ABDC)3–x has been synthesized and tested as catalyst in the…”
Get full text

Continuous dimethyl carbonate synthesis from CO2 and methanol over BixCe1−xOδ monoliths: Effect of bismuth doping on population of oxygen vacancies, activity, and reaction pathway by Chen, Yongdong, Li, Yue, Chen, Wei, Xu, Wen Wu, Han, Zhong-kang, Waheed, Ammara, Ye, Zhongbin, Li, Gao, Baiker, Alfons

“…We evaluated bismuth doped cerium oxide catalysts for the continuous synthesis of dimethyl carbonate (DMC) from methanol and carbon dioxide in the absence of a…”
Get full text

Comparative Density Functional Theory Study of Cinchonidine and Hydrogen Coadsorption on Platinum Group Metals (Rh, Ir, Pd, and Pt) and Its Implications on Surface Chiral Site Formation by Hahn, Konstanze R, Baiker, Alfons

“…Coadsorption of hydrogen and cinchonidine (CD), the chiral modifier most frequently applied to bestow chiral sites onto platinum group metals, has been studied…”
Get full text

Bimetallic AuPd@CeO2 Nanoparticles Supported on Potassium Titanate Nanobelts: A Highly Efficient Catalyst for the Reduction of NO with CO by Wang, Xianwei, Maeda, Nobutaka, Meier, Daniel M., Baiker, Alfons

“…A nanocomposite consisting of bimetallic AuPd nanoparticles, which were modified with CeO 2 (AuPd@CeO 2 ), and deposited on potassium titanate nanobelts (KTN)…”
Get full text

Catalytic Oxidations in Dense Carbon Dioxide by Seki, Tsunetake, Baiker, Alfons

“…The catalytic oxidation process in dense carbon dioxide is examined. The critical property of CO(2) is changed by the presence of oxygen…”
Get full text

Sensitivity enhancement and dynamic behavior analysis by modulation excitation spectroscopy: Principle and application in heterogeneous catalysis by Urakawa, Atsushi, Bürgi, Thomas, Baiker, Alfons

“…Modulation excitation spectroscopy (MES) allows sensitive and selective detection and monitoring of the dynamic behavior of species directly involved in a…”
Get full text

Brønsted acid sites based on penta-coordinated aluminum species by Wang, Zichun, Jiang, Yijiao, Lafon, Olivier, Trébosc, Julien, Duk Kim, Kyung, Stampfl, Catherine, Baiker, Alfons, Amoureux, Jean-Paul, Huang, Jun

“…Zeolites and amorphous silica-alumina (ASA), which both provide Brønsted acid sites (BASs), are the most extensively used solid acid catalysts in the chemical…”
Get full text

Monitoring Surface Processes During Heterogeneous Asymmetric Hydrogenation of Ketones on a Chirally Modified Platinum Catalyst by Operando Spectroscopy by Meemken, Fabian, Hungerbühler, Konrad, Baiker, Alfons

“…Surface processes occurring at the catalytic chiral surface of a cinchona‐modified Pt catalyst during the asymmetric hydrogenation of activated ketones have…”
Get full text

Free Energy and Electronic Properties of Water Adsorption on the SnO2(110) Surface by Santarossa, Gianluca, Hahn, Konstanze, Baiker, Alfons

“…A molecular understanding of the adsorption of water on SnO2 surfaces is crucial for several applications of this metal oxide, including catalysis and gas…”
Get full text

Tailoring single site VO4 on flame-made V/Al2O3 catalysts for selective oxidation of n-butane by Wang, Zichun, Jiang, Yijiao, Yang, Wenjie, Li, Ang, Hunger, Michael, Baiker, Alfons, Huang, Jun

“…[Display omitted] •Excellent performance in converting n-butane to maleic anhydride achieved.•Single-site VOx interacting with penta-coordinated Al (AlV) are…”
Get full text

A simple preparation of an efficient heterogeneous gold catalyst for aerobic amine oxidation by Aschwanden, Linda, Mallat, Tamas, Krumeich, Frank, Baiker, Alfons

“…For the oxidation of amines a very simple preparation of a heterogeneous gold catalyst has been developed. The catalyst has a comparable or even superior…”
Get full text

Asymmetric Hydrogenation on Chirally Modified Pt: Origin of Hydrogen in the N–H–O Interaction between Cinchonidine and Ketone by Maeda, Nobutaka, Hungerbühler, Konrad, Baiker, Alfons

“…An understanding of the chiral site–substrate interaction is a necessary prerequisite for the rational design and development of efficient heterogeneous…”
Get full text

Platinum-Catalyzed Asymmetric Hydrogenation: Spectroscopic Evidence for an O-H-O Hydrogen-Bond Interaction between Substrate and Modifier by Meemken, Fabian, Maeda, Nobutaka, Hungerbühler, Konrad, Baiker, Alfons

“…The mighty cinchonidine: A diastereomeric surface complex in the asymmetric hydrogenation of ketopantolactone on chirally modified Pt is monitored by in situ…”
Get full text

Advances in Infrared Spectroscopy of Catalytic Solid–Liquid Interfaces: The Case of Selective Alcohol Oxidation by Ferri, Davide, Baiker, Alfons

“…Progress in the use of ATR-IR spectroscopy to improve the understanding of liquid-phase heterogeneous catalytic reactions is illustrated using the example of…”
Get full text

Space- and Time-Resolved Combined DRIFT and Raman Spectroscopy: Monitoring Dynamic Surface and Bulk Processes during NOx Storage Reduction by Urakawa, Atsushi, Maeda, Nobutaka, Baiker, Alfons

“…What, where, when: A combination of both surface‐sensitive (diffuse reflectance infrared Fourier transform spectroscopy, DRIFTS) and bulk‐sensitive (Raman…”
Get full text

Protonation-Dependent Binding of Ruthenium Bipyridyl Complexes to the Anatase(101) Surface by Schiffmann, Florian, VandeVondele, Joost, Hutter, Jürg, Wirz, Ronny, Urakawa, Atsushi, Baiker, Alfons

“…In dye-sensitized solar cells, three structurally similar dyes are commonly employed to sensitize anatase nanocrystals, namely, the…”
Get full text