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CHAPTER 8

Gas Phase Photochemistry Probed by Free Electron Lasers

The advent of X-ray free electron lasers is opening the soft X-ray spectral regime for investigation of ultrafast dynamics in isolated molecules. This spectral range allows for K-edge spectroscopy at the most abundant elements in organic molecules, C, N, and O. We are highlighting the opportunities for understanding excited state dynamics using site and element specificity, which are characteristics of core hole spectroscopy. Available spectroscopic schemes can be categorized into “direct” methods investigating the interaction between the X-ray photon and the molecule, and “indirect” methods focusing on the relaxation of the molecule via Auger processes. We review recent pioneering studies using “indirect” methods and point out future opportunities for studies employing “direct” methods.

Print publication date: 15 Aug 2017
Copyright year: 2017
Print ISBN: 978-1-84973-100-3
PDF eISBN: 978-1-78262-409-7
ePub eISBN: 978-1-78801-202-7
Citation:
From the book series:
Energy and Environment Series