Issue 3, 2024

Unraveling the ultrafast dynamics of thermal-energy chemical reactions

Abstract

In this perspective, we discuss how one can initiate, image, and disentangle the ultrafast elementary steps of thermal-energy chemical dynamics, building upon advances in technology and scientific insight. We propose that combinations of ultrashort mid-infrared laser pulses, controlled molecular species in the gas phase, and forefront imaging techniques allow to unravel the elementary steps of general-chemistry reaction processes in real time. We detail, for prototypical first reaction systems, experimental methods enabling these investigations, how to sufficiently prepare and promote gas-phase samples to thermal-energy reactive states with contemporary ultrashort mid-infrared laser systems, and how to image the initiated ultrafast chemical dynamics. The results of such experiments will clearly further our understanding of general-chemistry reaction dynamics.

Graphical abstract: Unraveling the ultrafast dynamics of thermal-energy chemical reactions

Article information

Article type
Perspective
Submitted
17 Aug. 2023
Accepted
19 Okt. 2023
First published
04 Nov. 2023

Phys. Chem. Chem. Phys., 2024,26, 1587-1601

Unraveling the ultrafast dynamics of thermal-energy chemical reactions

M. S. Robinson and J. Küpper, Phys. Chem. Chem. Phys., 2024, 26, 1587 DOI: 10.1039/D3CP03954D

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