| 37 | | || '''17.04.2023''' || '''Jiao He, Tushar Suhasaria''' || '''An overview on the experimental setups in the Origins of Life Lab[[BR]][[BR]]'''Over the last two decades, laboratory astrochemistry has played an immense role in elucidating how some of the complex organic molecules (COMs) are formed from simple molecular ice in the coldest regions of dense molecular cloud. Chemistry in the solid state can be driven by either the non-energetic processing (atom bombardment) or energetic processing (irradiation with ions, electrons and protons). Organic molecules continue to evolve as interstellar material transit from molecular clouds to planetary systems. A deeper understanding of the physical and chemical processes involved in the formation and evolution of prebiotic COMs may provide valuable insights into the origins of life. To this end, we have two setups in the origins of life lab that work in ultra-high vacuum regime and at cryogenic temperatures to mimic the space conditions. [[BR]][[BR]]In the first setup, we focus on the formation of molecules by atom addition reactions in the solid state. We use quadrupole mass spectrometer and Infrared spectroscopy to monitor changes in the ice. In the second setup, we can look at the energetic processing of single or multicomponent ices by energetic electrons or UV photons. In addition to IR spectroscopy, we will also employ a tunable ns-IR laser to first desorb and then a ns-UV laser to ionize molecules produced in the ice mixture. The formed ions will then be guided to a very high resolution Orbitrap mass spectrometer for in-situ detection. [[BR]][[BR]]The work of the Origins of Life laboratory will provide crucial data to the astrochemical and astrophysical community.[[BR]][[BR]]Presentation: English |
| | 37 | || '''17.04.2023''' || '''Jiao He, Tushar Suhasaria''' || '''An overview on the experimental setups in the Origins of Life Lab[[BR]][[BR]]'''Over the last two decades, laboratory astrochemistry has played an immense role in elucidating how some of the complex organic molecules (COMs) are formed from simple molecular ice in the coldest regions of dense molecular cloud. Chemistry in the solid state can be driven by either the non-energetic processing (atom bombardment) or energetic processing (irradiation with ions, electrons and protons). Organic molecules continue to evolve as interstellar material transit from molecular clouds to planetary systems. A deeper understanding of the physical and chemical processes involved in the formation and evolution of prebiotic COMs may provide valuable insights into the origins of life. To this end, we have two setups in the origins of life lab that work in ultra-high vacuum regime and at cryogenic temperatures to mimic the space conditions. [[BR]][[BR]]In the first setup, we focus on the formation of molecules by atom addition reactions in the solid state. We use quadrupole mass spectrometer and Infrared spectroscopy to monitor changes in the ice. In the second setup, we can look at the energetic processing of single or multicomponent ices by energetic electrons or UV photons. In addition to IR spectroscopy, we will also employ a tunable ns-IR laser to first desorb and then a ns-UV laser to ionize molecules produced in the ice mixture. The formed ions will then be guided to a very high resolution Orbitrap mass spectrometer for in-situ detection. [[BR]][[BR]]The work of the Origins of Life laboratory will provide crucial data to the astrochemical and astrophysical community.[[BR]][[BR]]Presentation: English & German[[BR]]Slides: English[[BR]]Questions: German, English || |
