Articles | Volume 15, issue 6
Atmos. Meas. Tech., 15, 1795–1810, 2022
https://doi.org/10.5194/amt-15-1795-2022

Special issue: Simulation chambers as tools in atmospheric research (AMT/ACP/GMD...

Atmos. Meas. Tech., 15, 1795–1810, 2022
https://doi.org/10.5194/amt-15-1795-2022
Research article
25 Mar 2022
Research article | 25 Mar 2022

LED-based solar simulator to study photochemistry over a wide temperature range in the large simulation chamber AIDA

Magdalena Vallon et al.

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Short summary
A LED-based light source has been constructed for the AIDA simulation chamber at the Karlsruhe Institute of Technology. It allows aerosol formation and ageing studies under atmospherically relevant illumination intensities and spectral characteristics at temperatures from –90 °C to 30 °C with the possibility of changing the photon flux and irradiation spectrum at any point. The first results of photolysis experiments with 2,3-pentanedione, iron oxalate and a brown carbon component are shown.