Photo- and Collision-Induced Isomerization of a Charge-Tagged Norbornadiene-Quadricyclane System

Ugo Jacovella; Eduardo Carrascosa; Jack T Buntine; Nicolai Ree; Kurt Mikkelsen; Martyn Jevric; Kasper Moth-Poulsen; Evan J Bieske

Journal article

Photo- and Collision-Induced Isomerization of a Charge-Tagged Norbornadiene-Quadricyclane System

Ugo Jacovella, Eduardo Carrascosa, Jack T Buntine, Nicolai Ree, Kurt Mikkelsen, Martyn Jevric, Kasper Moth-Poulsen, Evan J Bieske

JOURNAL OF PHYSICAL CHEMISTRY LETTERS | AMER CHEMICAL SOC | Published : 2020

DOI: 10.1021/acs.jpclett.0c01198

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Abstract

Molecular photoswitches based on the norbornadiene–quadricylane (NBD–QC) couple have been proposed as key elements of molecular solar thermal energy storage schemes. To characterize the intrinsic properties of such systems, reversible isomerization of a charge-tagged NBD–QC carboxylate couple is investigated in a tandem ion mobility mass spectrometer, using light to induce intramolecular [2 + 2] cycloaddition of NBD carboxylate to form the QC carboxylate and driving the back reaction with molecular collisions. The NBD carboxylate photoisomerization action spectrum recorded by monitoring the QC carboxylate photoisomer extends from 290 to 360 nm with a maximum at 315 nm, and in the longer wave..

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University of Melbourne Researchers

Evan Bieske Author

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Grants

Awarded by Australian Research Council

Awarded by Swiss National Science Foundation

Awarded by Austrian Science Fund (FWF) through a Schrodinger Fellowship

Funding Acknowledgements

This work was supported by the Australian Research Council Discovery Project (DP150101427, DP160100474) and Future Fellowship (FT130101304) schemes. U. J. acknowledges support from the Swiss National Science Foundation (P2EZP2_178429). E.C. acknowledges support by the Austrian Science Fund (FWF) through a Schrodinger Fellowship (No. J4013-N36). K.V.M. thanks the Center for Exploitation of Solar Energy for support. N.R. thanks H. C. Orsted Selskabet and Orsted A/S for financial support in terms of the Orsted Scholarship 2018. M.J. and K.M.P. acknowledge support from the Knut and Alice Wallenberg Foundation and Swedish Strategic Research Foundation (SSF).