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Marc Heggen
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Increased Cytotoxicity of Bimetallic Ultrasmall Silver–Platinum Nanoparticles (2 nm) on Cells and Bacteria in Comparison to Silver Nanoparticles of the Same Size
N Wolff, N Białas, K Loza, M Heggen, T Schaller, F Niemeyer, ...
Materials 17 (15), 3702, 2024
2024
Direct Atomic-Scale Investigation of the Coarsening Mechanisms of Exsolved Catalytic Nanoparticles
D Jennings, ML Weber, A Meise, T Binninger, C Price, M Kindelmann, ...
2024
Atomically Resolved Phase Coexistence in VO2 Thin Films
M Ahmadi, A Atul, S de Graaf, E van der Veer, A Meise, AH Tavabi, ...
ACS nano, 2024
2024
Platinum/Tantalum Carbide Core–Shell Nanoparticles with Sub‐Monolayer Shells for Methanol and Oxygen Electrocatalysis
Z Wang, JS Kang, D Göhl, P Paciok, DS Gonçalves, HK Lim, D Zanchet, ...
Advanced Energy Materials 14 (17), 2304092, 2024
2024
The Molecular Footprint of Peptides on the Surface of Ultrasmall Gold Nanoparticles (2 nm) Is Governed by Steric Demand
LS Wagner, O Prymak, T Schaller, C Beuck, K Loza, F Niemeyer, ...
The Journal of Physical Chemistry B 128 (17), 4266-4281, 2024
22024
Deeper Insight into the Mechanisms Behind Sputter Damage in Silicon Solar Cells Based on the Example of Nanocrystalline Silicon Carbide
A Eberst, B Xu, K Bittkau, W Duan, A Lambertz, A Meise, M Heggen, ...
Advanced Physics Research, 2400036, 2024
2024
Simulated HRTEM images of nanoparticles to train a neural network to classify nanoparticles for crystallinity
N Gumbiowski, J Barthel, K Loza, M Heggen, M Epple
Nanoscale Advances, 2024
2024
In Situ Scanning Transmission Electron Microscopy Calcination of Palladium Nitrate Supported on Zinc Oxide
A Meise, M Heggen, RE Dunin‐Borkowski, M Armbrüster
Small Science, 2400048, 2024
12024
Tuning the morphology and chemical distribution of Ag atoms in Au rich nanoparticles using electrochemical dealloying
A Dworzak, P Paciok, C Mahr, M Heggen, C Dosche, A Rosenauer, ...
Nanoscale 16 (19), 9603-9616, 2024
12024
Enhancing the Hydrogen-Air Fuel Cell Performance of Octahedral Ptni Nanoalloys with Rational Design of Dopants, Layering and Support in the PEM Fuel Cells
L Pan, A Parnière, O Dunseath, C Weber, J Lu, M Ronovský, ...
Electrochemical Society Meeting Abstracts 244, 1993-1993, 2023
2023
Understanding the Increase in H2/Air PEM Fuel Cell Performance of Pt Based Cathode Catalysts with the Tailored Pore Structure of Mesoporous Graphitic Spheres
RKF Della Bella, A Gunnarson, H Hosseini, P Paciok, M Heggen, ...
Electrochemical Society Meeting Abstracts 244, 1746-1746, 2023
2023
Electron Tug Effect in Ni Single Atoms for Carbon Dioxide Electroreduction over a Wide Potential Range
X Han, T Zhang, M Biset-Peiró, C Zhang, K Xiao, P Cao, M Heggen, ...
2023
Enhancing the Performance of Shape-Controlled Octahedral Rhodium-Doped PtNi Nanoalloys inside Hydrogen–Air Fuel Cell Cathodes Using a Rational Design of Catalysts, Supports …
L Pan, A Parnière, O Dunseath, D Fongalland, G Nicolau, CC Weber, J Lu, ...
ACS Catalysis 14 (1), 10-20, 2023
22023
Octahedral Pt-Ni Alloy Catalysts Studied by Analytical Ex-and in-Situ High-Resolution Electron Microscopy
M Heggen
244th ECS Meeting (October 8-12, 2023), 2023
2023
Ultrastructure and surface composition of glutathione-terminated ultrasmall silver, gold, platinum, and alloyed silver–platinum nanoparticles (2 nm)
N Wolff, K Loza, M Heggen, T Schaller, F Niemeyer, P Bayer, C Beuck, ...
Inorganic Chemistry 62 (42), 17470-17485, 2023
52023
Thermal Behavior of Silver–Gold Core–Shell Nanocubes: In Situ X-ray Diffraction and In Situ Electron Microscopy (SEM and TEM)
A Karatzia, K Loza, O Prymak, M Heggen, M Epple
The Journal of Physical Chemistry C 127 (39), 19620-19628, 2023
2023
Elucidating the Voltage-Cycling Induced Degradation Mechanism of PEM Fuel Cell Catalysts with Porous Carbon Supports
RKF Della Bella, T Lazaridis, P Paciok, M Heggen, HA Gasteiger
Electrochemical Society Meeting Abstracts 243, 2203-2203, 2023
2023
Size‐Controlled Synthesis of IrO2 Nanoparticles at High Temperatures for the Oxygen Evolution Reaction
M Malinovic, P Paciok, ES Koh, M Geuß, J Choi, P Pfeifer, JP Hofmann, ...
Advanced Energy Materials 13 (28), 2301450, 2023
92023
Post-synthesis heat treatment of doped PtNi-alloy fuel-cell catalyst nanoparticles studied by in-situ electron microscopy
KE MacArthur, S Polani, M Klingenhof, N Gumbiowski, T Möller, ...
ACS Applied Energy Materials 6 (11), 5959-5967, 2023
42023
Direct observation of dislocation motion in the complex alloy T-Al-Mn-Fe using in-situ transmission electron microscopy
M Heggen, M Feuerbacher, RE Dunin-Borkowski
Materials Research Letters 11 (5), 367-373, 2023
12023
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