Limonene photocatalytic oxidation at ppb levels: Assessment of gas phase reaction intermediates and secondary organic aerosol heterogeneous formation

- Limonene photocatalytic oxidation is investigated at ppb level.
- Gas phase, adsorbed phase and particulate phase are characterized along reaction.
- Reaction carbon mass balance along advancement is determined.
- Photocatalytic heterogeneous formation of secondary organic aerosol is evidenced.