Matthias May receives the Poster Prize at the Wilhelm und Else-Heraeus Seminar

Matthias May, PhD student at the HZB Institute for Solar Fuels, was awarded a Poster Prize at the 562nd WE Heraeus Seminar “From Sunlight to Fuels” for his scientific work. From 11 to 16 May 2014, the participants of the WE Heraeus seminar concentrated intensively on the topic of “converting sunlight to hydrogen” and discussed new materials and processes for photovoltaic and (photo)catalytic applications.
Matthias May impressively demonstrated on his poster how water acts on differently prepared surfaces of III-V compound semiconductors and what interactions occur. It is highly important to study this effect in detail because the initial reaction with water is critical in the development of suitable materials and processes for solar fuels. May prepared two different surfaces of gallium and indium phosphide and then analyzed and compared the influence of water using photoelectron spectroscopy and in-situ reflection anisotropy spectroscopy.

The 562nd WE Heraeus Seminar “From Sunlight to Fuels - Novel Materials and Processes for Photovoltaic and (Photo)Catalytic Applications” was organized by Prof. Dr. Robert Schlögl (Fritz Haber Institute, Berlin) and Prof. Dr. Klaus Lips and Prof. Dr. Bernd Rech (both of HZB). About 50 participants followed the scientific seminar at the Physikzentrum Bad Honnef.

The Wilhelm und Else Heraeus-Stiftung was founded in 1963 as a charitable foundation whose objective is to promote research and education in the natural sciences. The organization of scientific seminars is the foundation’s most important fundraising means and serves as a platform for personal exchange between researchers from around the world.

(sz)

  • Copy link

You might also be interested in

  • Key technology for a future without fossil fuels
    Interview
    21.08.2025
    Key technology for a future without fossil fuels
    In June and July 2025, catalyst researcher Nico Fischer spent some time at HZB. It was his sabbatical, he was relieved of his duties as Director of the Catalysis Institute in Cape Town for several months and was able to focus on research only. His institute is collaborating with HZB on two projects that aim to develop environmentally friendly alternatives using innovative catalyst technologies. The questions were asked by Antonia Rötger, HZB.
  • Lithium-sulphur batteries with lean electrolyte: problem areas clarified
    Science Highlight
    12.08.2025
    Lithium-sulphur batteries with lean electrolyte: problem areas clarified
    Using a non-destructive method, a team at HZB investigated practical lithium-sulphur pouch cells with lean electrolyte for the first time. With operando neutron tomography, they could visualise in real-time how the liquid electrolyte distributes and wets the electrodes across multilayers during charging and discharging. These findings offer valuable insights into the cell failure mechanisms and are helpful to design compact Li-S batteries with a high energy density in formats relevant to industrial applications.
  • Self assembling monolayer can improve lead-free perovskite solar cells too
    Science Highlight
    04.08.2025
    Self assembling monolayer can improve lead-free perovskite solar cells too
    Tin perovskite solar cells are not only non-toxic, but also potentially more stable than lead-containing perovskite solar cells. However, they are also significantly less efficient. Now, an international team has succeeded in reducing losses in the lower contact layer of tin perovskite solar cells: The scienstists identified chemical compounds that self-assemble into a molecular layer that fits very well with the lattice structure of tin perovskites. On this monolayer, tin perovskite with excellent optoelectronic quality can be grown, which increases the performance of the solar cell.