Vacuum chamber (IMAGE) University of Oldenburg Caption Lars Mohrhusen's junior research group aims to develop new catalysts for the conversion of carbon dioxide. The catalyst samples (like the square grey plate in the middle of the holder) are examined in vacuum chambers using various analytical methods. Credit University of Oldenburg / Marcus Windus Usage Restrictions Use only in connection with press release and with appropriate credit. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.