Robust tuning metal/carbon heterointerfaces via ketonic oxygen enables hydrogen evolution reaction outperforming Pt/C

Jiaying Yu, Yunshuo Yang, Runtao Jia, Kim Daasbjerg, Jun Wang, Mauro Carraro, Zhuo Xin, Yuxing Huang, Troels Skrydstrup https://doi.org/10.1016/j.apsusc.2020.147080 Large-scale synthesis of metal/carbon hybrids with tunable metal/carbon heterointerfaces is vital for practical application of such hybrids in electrocatalysis. Herein, we developed a facile route for large-scale crafting of ultrafine Ru nanoparticles (NPs) anchored on the…

Achieving Near‐Unity CO Selectivity for CO2 Electroreduction on an Iron‐Decorated Carbon Material

Xin-Ming Hu, Daniela Mendoza, Monica Rohde Madsen, Dorian Joulié, Benedikt Lassalle-Kaiser, Marc Robert, Steen U Pedersen, Troels Skrydstrup, Kim Daasbjerg https://doi.org/10.1002/cssc.202001311 A straightforward procedure has been developed to prepare a porous carbon material decorated with iron by direct pyrolysis of a mixture of a porous polymer and iron chloride. Characterization of the material with X‐ray…

Polymer Brush Coating and Adhesion Technology at Scale

Kristian Birk Buhl, Asger Holm Agergaard, Mie Lillethorup, Jakob Pagh Nikolajsen, Steen Uttrup Pedersen, Kim Daasbjerg https://doi.org/10.3390/polym12071475 Creating strong joints between dissimilar materials for high-performance hybrid products places high demands on modern adhesives. Traditionally, adhesion relies on the compatibility between surfaces, often requiring the use of primers and thick bonding layers to achieve stable joints.…

Facile Access to Disulfide/Thiol Containing Poly (glycidyl methacrylate) Brushes as Potential Rubber Adhesive Layers

Kristian B Buhl, Asger H Agergaard, Rasmus K Møller, Mikkel Kongsfelt, Simon Heide-Jørgensen, Michal K Budzik, Mogens Hinge, Steen U Pedersen, Kim Daasbjerg https://doi.org/10.1021/acsapm.0c00306 Creating interchain cross-links can improve the stability and robustness of polymer brushes. Unfortunately, the synthetic strategies required for this are often tedious and time-consuming, making their scale-up difficult, if not impossible.…

Restructuring Metal–Organic Frameworks to Nanoscale Bismuth Electrocatalysts for Highly Active and Selective CO2 Reduction to Formate

Paolo Lamagni, Matteo Miola, Jacopo Catalano, Mathias S Hvid, Mohammad Aref H Mamakhel, Mogens Christensen, Monica R Madsen, Henrik S Jeppesen, Xin‐Ming Hu, Kim Daasbjerg, Troels Skrydstrup, Nina Lock https://doi.org/10.1002/adfm.201910408 Recently, a large number of nanostructured metal‐containing materials have been developed for the electrochemical CO2 reduction reaction (eCO2RR). However, it remains a challenge to achieve high…

Evaluation of the Electrocatalytic Reduction of Carbon Dioxide using Rhenium and Ruthenium Bipyridine Catalysts Bearing Pendant Amines in the Secondary Coordination Sphere

Monica R Madsen, Joakim B Jakobsen, Magnus H Rønne, Hongqing Liang, Hans Christian D Hammershøj, Peter Nørby, Steen U Pedersen, Troels Skrydstrup, Kim Daasbjerg https://doi.org/10.1021/acs.organomet.9b00815 Carbon dioxide utilization through electrocatalysis is a promising pathway toward a more sustainable future. In this work the electrocatalytic reduction of carbon dioxide by ReI and RuIIbipyridine complexes bearing pendant amines…

Non-enzymatic electroanalytical sensing of glucose based on nano nickel-coordination polymers-modified glassy carbon electrode

Amir Reza Abbasi, Mohammadreza Yousefshahi, Kim Daasbjerg https://doi.org/10.1007/s10904-020-01452-6 Herein, we introduce a simple set of experiments to construct non-enzymatic glucose sensors. The modification procedure was initiated by electrodeposition of nickel-coordination polymers (denoted henceforth as Ni-CPs) at the surface of glassy carbon (GC) electrode decorated with carbonnanotubes (CNTs). The electrochemical sensing of glucose occurred through the…

Stoichiometric Studies on the Carbonylative Trifluoromethylation of Aryl Pd(II) Complexes using TMSCF3 as the Trifluoromethyl Source

K Domino, MB Johansen, K Daasbjerg, T Skrydstrup https://doi.org/10.1021/acs.organomet.9b00849 We have performed a series of stoichiometric studies in order to identify viable steps for a hypothetical catalytic cycle for the palladium-mediated carbonylative coupling of an aryl bromide with TMSCF3. Our work revealed that benzoyl Pd(II) complexes bearing Xantphos or tBu3P as the phosphine ligands, which are…

Ligand-Controlled Product Selectivity in Electrochemical Carbon Dioxide Reduction Using Manganese Bipyridine Catalysts

Magnus H Rønne, Dasol Cho, Monica R Madsen, Joakim B Jakobsen, Seunghwan Eom, Émile Escoudé, Hans Christian D Hammershøj, Dennis U Nielsen, Steen U Pedersen, Mu-Hyun Baik, Troels Skrydstrup, Kim Daasbjerg https://doi.org/10.1021/jacs.9b11806 Electrocatalysis is a promising tool for utilizing carbon dioxide as a feedstock in the chemical industry. However, controlling the selectivity for different CO2 reduction…

Understanding the Enhanced Catalytic CO2 Reduction upon Adhering Cobalt Porphyrin to Carbon Nanotubes and the Inverse Loading Effect

Xiaoyu Chen, Xin-Ming Hu, Kim Daasbjerg, Mårten SG Ahlquist https://doi.org/10.1021/acs.organomet.9b00726 Adhering a cobalt porphyrin (Co(TPP)) catalyst on a carbon nanotube (CNT) supporting material greatly enhances its reactivity and enables catalysis in water, which is otherwise impossible. However, the effect of solvent as well as supporting materials on catalysis is still elusive. On the basis of…