Our Team

Dr. Joshua Carroll

Research Fellow

QUT Contact Details

Brief Curriculum Vitae
since 2025 Research Associate under the supervision of Dist. Prof. Christopher Barner-Kowollik at the Queensland University of Technology (QUT), Brisbane, Australia
2025 PhD in Physics supervised by Prof. Esa Jaatinen at the Queensland University of Technology (QUT), Brisbane, Australia. Thesis Title: Intensity Modulated Stand-Off Raman Spectroscopy for Ambient Noise Rejection
2022 – 2025 Research Associate under the supervision of Dist. Prof. Christopher Barner-Kowollik, Prof. Cameron Brown, and Prof. Esa Jaatinen at the Queensland University of Technology (QUT), Brisbane, Australia
2018 – 2022 Research Associate under the supervision of Prof. Esa Jaatinen at the Queensland University of Technology (QUT), Brisbane, Australia
2015 Master of Applied Science (Research) in Physics supervised by Prof. Esa Jaatinen at the Queensland University of Technology (QUT), Brisbane, Australia. Thesis Title: Eye-Safe UV Stand-off Raman for Detecting Explosives in the Field
2013 Bachelor of Applied Science (Physics & Astrophysics) at the Queensland University of Technology (QUT), Brisbane, Australia

Research Interests
  • Photophysics and Photochemistry
  • Raman Spectroscopy and LIBS Applications
  • Stand-off Chemical Detection
  • Optical System Design, Optimisation, and Prototype Construction
  • Eye-safe Laser System Design
  • Programming and Hardware/Software Design
  • Mathematics

[04] Mapping Photochemical Reactivity with Action Plots, APH Seminar at the Karlsruhe Institute of Technology (KIT), 2025, Karlsruhe, Baden-Württemberg, Germany. [Oral Presentation (Online)]
[03] Eye-Safe UV Stand-off Raman Spectroscopy for Explosive Detection in the Field, Joint 13th Asia Pacific Physics Conference (APPC) and 22nd Australian Institute of Physics (AIP) Congress, 2016, Brisbane, Australia. [Oral Presentation]
[02] Eye-safe Stand-off UV Raman. International Conference on Raman Spectroscopy (ICORS), 2014, Friedrich Schiller University, Jena, Germany. [Poster Presentation]
[01] Raman Safety and Signal Strength Comparisons between UV and Vis/NIR Excitation Wavelengths. Nanotechnology and Molecular Science HDR Symposium, 2014, QUT, Brisbane, Australia. [Poster Presentation]

2026
[805] Understanding Wavelength-Dependent Photopolymerizations via Nano-Second Resolved Transient Spectroscopy

Kim, J.; Walden, S.L.; Carroll, J. A.; Unterreiner, A.-N.; Barner-Kowollik, C.  J. Am. Chem. Soc., 2026, in press

[803] Wavelength Dependent 3D Printing: Introducing 3D Printed Action Plots

Sbordone, F.; Guerds, L.; Carroll, J. A.; Xu, Y.; Finch, A. K.; Petko, F.; Ortyl, J.; Barner-Kowollik, C. Adv. Mater. 2026, in press.

2025
[790] Microenvironments as an Explanation for the Mismatch between Photochemical Absorptivity and Reactivity

Carroll, J. A.; Pashley-Johnson, F.; Klein, M.; Stephan, T.; Pandey, A. K.; Walter, M.; Unterreiner, A. N.; Barner-Kowollik, C. J. Am. Chem. Soc. 2025, 147, 26643-26651.

[784] Precision Photochemistry: Every Photon Counts

Pashley-Johnson, F.; Wu, X.; Carroll, J. A.; Walden, S. L.; Frisch, H.; Unterreiner, A. N.; Du Prez, F. E.; Wagenknecht, H. A.; De Alaniz, J. R.; Feringa, B. L.; Heckel, A.; Barner-Kowollik, C. Angew. Chem. Int. Ed. 2025, 64, e202502651

[770] Quantification of Synergistic Two-Color Covalent Bond Formation

Hobich, J.; Feist, F.; Werner, P.; Carroll, J. A.; Fuhr, O.; Blasco, E.; Mutlu, H.; Barner-Kowollik, C. Angew. Chem. Int. Ed. 2025, 64, e202413530

2024
[771] Beyond Absorption Maxima: The Impact of Wavelength-Resolved Photochemistry on Materials Science

Thijssen, Q.; Carroll, J.; Feist, F.; Beil, A.; Grützmacher, H.; Wegener, M.; Van Vlierberghe, S.; Barner-Kowollik, C. Mater. Horiz. 2024, 11, 6184-6191

[765] Wavelength Dependent Activation of Photoacids and Bases

Utroša, P.; Carroll, J. A.; Žagar, E.; Pahovnik, D.; Barner-Kowollik, C. Chem. Eur. J. 2024, e202400820.

[763] Photochemical Action Plots Evidence UV-promoted Radical Ring-Opening Polymerization of Cyclic Ketene Acetals

Meissner, T.; Friedel, P.; Carroll, J. A.; Barner-Kowollik, C.; Gaitzsch, J. Polym. Chem. 2024, 16, 704-711

[756] Photochemical Action Plots Reveal Red-shifted Wavelength-dependent Photoproduct Distributions

Carroll, J. A.; Pashley-Johnson, F.; Frisch, H.; Barner-Kowollik, C. Chem. Eur. J. 2024, 30, e202304174.

[742] Photochemical Action Plots Reveal the Fundamental Mismatch between Absorptivity and Photochemical Reactivity

Walden, S. L.; Carroll, J. A.; Unterreiner, A.-N.; Barner-Kowollik, C. Adv. Sci. 2024, 11, 2306014.

2023
[751] Wavelength-Resolved Near Infra-red Light Induced Free-Radical Polymerization

Neidinger, P.; Davis, J.; Carroll, J. A.; Kammerer, J. A.; Jaatinen, E.; Walden, S. L.; Unterreiner, A.-N.; Barner-Kowollik, C. Polym. Chem. 2023, 14, 4912-4917. 

2025
[03] Phototransposition of Indazoles to Benzimidazoles: Tautomer-Dependent Reactivity, Wavelength Dependence, and Continuous Flow Studies

Bartholomew, G. L.; Kim, S. F.; Oyamada, Y.; Sbordone, F.; Carroll, J. A.; Jurczyk, J. E.; Yeung, C. S.; Barner-Kowollik, C.; Sarpong, R. Angew. Chem. Int. Ed. 2025, 64(31), e202423803

2015
[02] Eye-Safe UV Stand-off Raman Spectroscopy for the Ranged Detection of Explosives in the Field

Carroll, J.; Izake, E. L.; Cletus, B.; Jaatinen, E. J. Raman Spectrosc. 2015, 46(3), 333-338

2013
[01] Using a video camera to measure the radius of the Earth

Carroll, J.; Hughes, S. Phys. Educ. 2013, 48(6), 731

Tweets

Twitter feed is not available at the moment.