Professor Andrew Orr-Ewing Archives - Laser Chemistry, Spectroscopy & Dynamics Group

Direct Observation of Reactive Intermediates by Time-Resolved Spectroscopy Unravels the Mechanism of a Radical-Induced 1,2-Metalate Rearrangement

Lewis-Borrell, L. J., Sneha, M., Clark, I. P., Fasano, V., Noble, A., Aggarwal, V. K. & Orr-Ewing, A. J., 20 Oct 2021, In: Journal of the American Chemical Society. 143, 41, p. 17191 – 17199 9 p.

Research output: Contribution to journal › Article (Academic Journal) › peer-review

Transient Absorption Spectroscopy of the Electron Transfer Step in the Photochemically Activated Polymerizations of N-ethylcarbazole and 9-phenylcarbazole

Thornton, G. L., Phelps, R. A. & Orr-Ewing, A. J., 14 Sep 2021, In: Physical Chemistry Chemical Physics. 23, 34, p. 18378 – 18392 15 p.

Research output: Contribution to journal › Article (Academic Journal) › peer-review

Structure-Dependent Electron Transfer Rates for Dihydrophenazine, Phenoxazine and Phenothiazine Photoredox Catalysts Employed in Atom Transfer Radical Polymerization

Sneha, M., Bhattacherjee, A., Lewis-Borrell, L. J., Clark, I. P. & Orr-Ewing, A. J., 22 Jul 2021, In: Journal of Physical Chemistry B. 125, 28, p. 7840 – 7854 15 p.

Research output: Contribution to journal › Article (Academic Journal) › peer-review

Tuning the Excited-State Dynamics of Acetophenone Using Metal Ions in Solution

Robertson, P. A., Bishop, H. M. & Orr-Ewing, A. J., 17 Jun 2021, In: Journal of Physical Chemistry Letters. 12, 23, p. 5473 – 5478 6 p.

Research output: Contribution to journal › Article (Academic Journal) › peer-review

Investigation of the Production of Trifluoroacetic Acid from Two Halocarbons, HFC-134a and HFO-1234yf and Its Fates Using a Global Three-Dimensional Chemical Transport Model

Holland, R. E. T., Khan, M. A. H., Driscoll, I., Chhantyal-Pun, R., Derwent, R. G., Taatjes, C. A., Orr-Ewing, A. J., Percival, C. J. & Shallcross, D. E., 15 Apr 2021, In: ACS Earth and Space Chemistry. 5, 4, p. 849 – 857 9 p.

Research output: Contribution to journal › Article (Academic Journal) › peer-review

Singlet and Triplet Contributions to the Excited-State Activities of Dihydrophenazine, Phenoxazine, and Phenothiazine Organocatalysts Used in Atom Transfer Radical Polymerization

Bhattacherjee, A., Sneha, M., Lewis-Borrell, L. J., Amoruso, G., Oliver, T. A. A., Tyler, J. L., Clark, I. P. & Orr-Ewing, A. J., 10 Mar 2021, In: Journal of the American Chemical Society. 143, 9, p. 3613 – 3627 15 p.

Research output: Contribution to journal › Article (Academic Journal) › peer-review

Influence of the Solvent Environment on the Ultrafast Relaxation Pathways of a Sunscreen Molecule Diethylamino Hydroxybenzoyl Hexyl Benzoate

Kao, M-H., Venkatraman, R. K., Sneha, M., Wilton, M. & Orr-Ewing, A. J., 21 Jan 2021, In: Journal of Physical Chemistry A. 125, 2, p. 636 – 645 10 p., 2.

Research output: Contribution to journal › Article (Academic Journal) › peer-review

Optical Interrogation of Single Levitated Droplets in a Linear Quadrupole Trap by Cavity Ring-Down Spectroscopy

Valenzuela Gutierrez, A., Chu, F., Haddrell, A. E., Cotterell, M. I., Walker, J. S., Orr-Ewing, A. J. & Reid, J. P., 23 Dec 2020, In: Journal of Physical Chemistry A. 125, p. 394 – 405

Research output: Contribution to journal › Article (Academic Journal) › peer-review

Impact of Criegee Intermediate Reactions with Peroxy Radicals on Tropospheric Organic Aerosol

Chhantyal Pun, R., Khan, M. A. H., Zachhuber, N., Percival, C., Shallcross, D. E. & Orr-Ewing, A. J., 15 Oct 2020, In: ACS Earth and Space Chemistry. 4, p. 1743-1755 13 p., 10.

Research output: Contribution to journal › Article (Academic Journal) › peer-review

Solvent-dependent photochemical dynamics of a phenoxazine-based photoredox catalyst

Sneha, M., Lewis-Borrell, L., Shchepanovska, D., Bhattacherjee, A., Tyler, J. L. & Orr-Ewing, A. J., 27 Aug 2020, In: Zeitschrift für Physikalische Chemie. 234, p. 1475 – 1494

Research output: Contribution to journal › Article (Academic Journal) › peer-review

Criegee Intermediates: Production, Detection and Reactivity

Chhantyal Pun, R., Khan, M. A. H., Taatjes, C. A., Percival, C. J., Orr-Ewing, A. J. & Shallcross, D. E., 31 Jul 2020, In: International Reviews in Physical Chemistry. 39, 3, p. 385-424 41 p.

Research output: Contribution to journal › Article (Academic Journal) › peer-review

Virtual Issue in Atmospheric Chemistry Research

Geiger, F., McNeill, F. & Orr-Ewing, A. J., 16 Jul 2020, In: Journal of Physical Chemistry A. 124, 28, p. 5697-5699 3 p.

Research output: Contribution to journal › Editorial (Academic Journal)

Direct Observation of Ylide and Enol Intermediates Formed in Competition with Wolff Rearrangement of Photo-Excited Ethyl Diazoacetoacetate

Phelps, R. & Orr-Ewing, A. J., 29 Apr 2020, In: Journal of the American Chemical Society. 142, p. 7836-7844 9 p., 17.

Research output: Contribution to journal › Article (Academic Journal) › peer-review

Investigating the atmospheric sources and sinks of Perfluorooctanoic acid using a global chemistry transport model

Holland, R., Khan, M. A. H., Chhantyal Pun, R., Orr-Ewing, A. J., Percival, C., Taatjes, C. A. & Shallcross, D. E., 19 Apr 2020, In: Atmosphere. 11, 4, 13 p., 407.

Research output: Contribution to journal › Article (Academic Journal) › peer-review

Mapping the multi-step mechanism of a photoredox catalyzed atom-transfer radical polymerization reaction by direct observation of the reactive intermediates

Lewis-Borrell, L., Sneha, M., Bhattacherjee, A., Clark, I. P. & Orr-Ewing, A. J., 16 Apr 2020, In: Chemical Science. 11, 17, p. 4475-4481 7 p., 4475.

Research output: Contribution to journal › Article (Academic Journal) › peer-review

Global and regional model simulations of atmospheric ammonia

Khan, M. A. H., Lowe, D., Derwent, R. G., Foulds, A., Chhantyal-Pun, R., McFiggans, G., Orr-Ewing, A. J., Percival, C. J. & Shallcross, D. E., 1 Apr 2020, In: Atmospheric Research. 234, 12 p., 104702.

Research output: Contribution to journal › Article (Academic Journal) › peer-review

Effects of ring-strain on the ultrafast photochemistry of cyclic ketones

Kao, M-H., Venkatraman, R. K., Ashfold, M. N. R. & Orr-Ewing, A. J., 13 Jan 2020, In: Chemical Science. 11, p. 1991-2000 10 p.

Research output: Contribution to journal › Article (Academic Journal) › peer-review

Picosecond to millisecond tracking of a photocatalytic decarboxylation reaction provides direct mechanistic insights

Bhattacherjee, A., Sneha, M., Lewis-Borrell, L., Tau, O., Clark, I. P. & Orr-Ewing, A. J., 13 Nov 2019, In: Nature Communications. 10, 7 p., 5152 (2019).

Research output: Contribution to journal › Article (Academic Journal) › peer-review

Direct Kinetic and Atmospheric Modelling Studies of Criegee Intermediate Reactions with Acetone

Chhantyal-Pun, R., Khan, M. A. H., Martin, R., Zachhuber, N., Buras, Z. J., Percival, C. J., Shallcross, D. E. & Orr-Ewing, A. J., 17 Oct 2019, In: ACS Earth and Space Chemistry. 3, 10, p. 2363-2371 9 p.

Research output: Contribution to journal › Article (Academic Journal) › peer-review

Photochemistry of Benzophenone in Solution: A Tale of Two Different Solvent Environments

Venkatraman, R. K. & Orr-Ewing, A. J., 25 Sep 2019, In: Journal of the American Chemical Society. 141, 38, p. 15222-15229 8 p.

Research output: Contribution to journal › Article (Academic Journal) › peer-review

Publications