World's Best Scientists 2026 revealed!

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Chemistry

D-Index
56
Citations
18048
World Ranking
11436
National Ranking
100

Research.com Recognitions

  • 2019 - Innovation in Materials Characterization Award, Materials Research Society “For pioneering atomic-scale transmission electron microscopy under reactive gas environments, leading to groundbreaking insights in catalysis, crystal growth and corrosion.

Overview

Stig Helveg is affiliated with the Technical University of Denmark in Denmark. Their primary field of study is Materials Science, with a focus on related subfields such as Materials Chemistry, Structural Biology, Catalysis, Atomic and Molecular Physics, and Optics, as well as Renewable Energy, Sustainability and the Environment.

Their research encompasses a range of topics including Advanced Electron Microscopy Techniques and Applications, Catalytic Processes in Materials Science, Catalysis and Oxidation Reactions, Electron and X-Ray Spectroscopy Techniques, Electrocatalysts for Energy Conversion, Force Microscopy Techniques and Applications, and Catalysis and Hydrodesulfurization Studies.

Frequent coauthors collaborating with Stig Helveg include:

  • Joerg R. Jinschek
  • Christian Danvad Damsgaard
  • Christian Kisielowski
  • D. Van Dyck
  • Ib Chorkendorff

The scientist has published extensively in several venues, notably:

  • Microscopy and Microanalysis
  • BIO Web of Conferences
  • Nanoscale
  • arXiv (Cornell University)
  • Journal of the American Chemical Society

Selected recent papers include:

  • Gold Nanoparticles for CO2 Electroreduction: An Optimum Defined by Size and Shape, 2024, Journal of the American Chemical Society
  • Single-atom Pt promotion of industrial Co-Mo-S catalysts for ultra-deep hydrodesulfurization, 2021, Journal of Catalysis
  • Probing atom dynamics of excited Co-Mo-S nanocrystals in 3D, 2021, Nature Communications
  • Reversible Atomization and Nano-Clustering of Pt as a Strategy for Designing Ultra-Low-Metal-Loading Catalysts, 2022, The Journal of Physical Chemistry C
  • Stable mass-selected AuTiOx nanoparticles for CO oxidation, 2024, Physical Chemistry Chemical Physics

Stig Helveg has been recognized with the Innovation in Materials Characterization Award from the Materials Research Society in 2019. This award was granted for pioneering atomic-scale transmission electron microscopy under reactive gas environments, which contributed to insights in catalysis, crystal growth, and corrosion.

Best Publications

  • Atomic-scale imaging of carbon nanofibre growth

    Stig Helveg;Carlos López-Cartes;Carlos López-Cartes;Jens Sehested;Poul L. Hansen

  • Atom-Resolved Imaging of Dynamic Shape Changes in Supported Copper Nanocrystals

    Poul L. Hansen;Jakob Birkedal Wagner;Stig Helveg;Jens R. Rostrup-Nielsen

  • Atomic-scale structure of single-layer MoS2 nanoclusters

    S. Helveg;J. V. Lauritsen;E. Lægsgaard;I. Stensgaard

  • Size-dependent structure of MoS2 nanocrystals.

    Jeppe V. Lauritsen;Jakob Kibsgaard;Stig Helveg;Henrik Topsøe

  • Quantifying the promotion of Cu catalysts by ZnO for methanol synthesis

    Sebastian Kuld;Max Thorhauge;Hanne Falsig;Christian Fink Elkjær

  • First principles calculations and experimental insight into methane steam reforming over transition metal catalysts

    Glenn Jones;Jon Geest Jakobsen;Signe Sarah Shim;Jesper Kleis

  • One-Dimensional Metallic Edge States in MoS2

    Mikkel Bollinger;J.V. Lauritsen;Karsten Wedel Jacobsen;Jens Kehlet Nørskov

  • Location and coordination of promoter atoms in Co- and Ni-promoted MoS2-based hydrotreating catalysts

    Jeppe V. Lauritsen;Jakob Kibsgaard;Georg H. Olesen;Poul Georg Moses

  • Direct Observations of Oxygen-induced Platinum Nanoparticle Ripening Studied by In Situ TEM

    Søren B. Simonsen;Ib Chorkendorff;Søren Dahl;Magnus Skoglundh

  • Atomic-scale structure of Co-Mo-S nanoclusters in hydrotreating catalysts

    J.V Lauritsen;S Helveg;E Lægsgaard;I Stensgaard

  • Visualization of oscillatory behaviour of Pt nanoparticles catalysing CO oxidation

    S.B. Vendelbo;Christian Fink Elkjær;H. Falsig;I. Puspitasari

  • Atomic-scale electron microscopy at ambient pressure.

    J.F. Creemer;S. Helveg;G.H. Hoveling;S. Ullmann

  • Recent STM, DFT and HAADF-STEM studies of sulfide-based hydrotreating catalysts: Insight into mechanistic, structural and particle size effects

    F. Besenbacher;M. Brorson;B.S. Clausen;S. Helveg

  • Mechanisms for catalytic carbon nanofiber growth studied by ab initio density functional theory calculations

    Frank Abild-Pedersen;Jens Kehlet Nørskov;Jens Rostrup-Nielsen;Jens Sehested

  • Relating rates of catalyst sintering to the disappearance of individual nanoparticles during Ostwald ripening.

    Sivakumar R. Challa;Andrew T. Delariva;Thomas W. Hansen;Thomas W. Hansen;Stig Helveg

  • How a gold substrate can increase the reactivity of a Pt overlayer

    Morten Ø. Pedersen;Stig Helveg;Andrei Ruban;Ivan Stensgaard

  • Enhancement of surface self-diffusion of platinum atoms by adsorbed hydrogen

    S. Horch;H. T. Lorensen;S. Helveg;E. Lægsgaard

  • Atomic‐Scale Edge Structures on Industrial‐Style MoS2 Nanocatalysts

    Lars P. Hansen;Quentin M. Ramasse;Christian Kisielowski;Michael Brorson

  • Ostwald ripening in a Pt/SiO2 model catalyst studied by in situ TEM

    Søren Bredmose Simonsen;Ib Chorkendorff;Søren Dahl;Magnus Skoglundh

  • Sintering of nickel catalysts: Effects of time, atmosphere, temperature, nickel-carrier interactions, and dopants

    Jens Sehested;Johannes A.P. Gelten;Stig Helveg

Frequent Co-Authors

Flemming Besenbacher
Flemming Besenbacher Aarhus University
Jeppe V. Lauritsen
Jeppe V. Lauritsen Aarhus University
Jens Sehested
Jens Sehested Haldor Topsoe (Denmark)
Christian Kisielowski
Christian Kisielowski Lawrence Berkeley National Laboratory
Jens K. Nørskov
Jens K. Nørskov Technical University of Denmark
Ib Chorkendorff
Ib Chorkendorff Technical University of Denmark
Quentin M. Ramasse
Quentin M. Ramasse University of Leeds
Henrik Topsøe
Henrik Topsøe University of Wisconsin–Madison
Søren Dahl
Søren Dahl Technical University of Denmark
Erik Lægsgaard
Erik Lægsgaard Aarhus University

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