Visiting Research Fellow
Our Team
Dr. Sarah Walden
QUT Contact Details
- P803B-5, P Block, Level 8, Gardens Point Campus (QUT)
mailto:sl.walden@qut.edu.au
Brief Curriculum Vitae
Brief Curriculum Vitae
since 11/17 | Postdoctoral researcher under supervision of Prof. Christopher Barner-Kowollik and A/Prof. James Blinco, Queensland University of Technology (QUT), Brisbane |
2013 – 2017 | Doctor of Philosophy (Physics) ‘Nonlinear Optical Properties of ZnO and ZnO-Au nanostructures for Nanoscale UV Emission’ Queensland University of Technology – Brisbane Australia |
2012 | Bachelor of Applied Science (Honours) ‘Quantum Mechanical Model of Second Harmonic Generation in Thin Gold Films’ Queensland University of Technology – Brisbane, Australia |
2008 – 2011 | Bachelor of Mathematics/Bachelor of Applied Science (Physics) Queensland University of Technology – Brisbane, Australia |
Research Interests and Opportunities
Light Matter Interactions
- Nonlinear absorption and refraction in nanomaterials
- Z-scan Technique for characterisation of organic & inorganic materials
- Transient absorption spectroscopy on nano- and femto- timescales
- Pump-Dump-Probe measurements
Laser Coupled Characterisation Techniques
- Insitu-UV-Vis monitoring of photoreactions
- Laser-coupled QCM-D
- Laser-coupled AFM – Force Spectroscopy
Awards and Prizes
2019
|
Travel Grant to attend 69th Lindau Nobel Laureate Meeting |
2018
|
AIP Bragg Medal Nominee – Queensland Branch |
2016
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Higher Degree Research Student High Achiever Award The award is presented monthly to higher degree research students who excel in their research, producing high quality research output |
2013 – 2016
|
QUT Excellence Top-Up Scholarship PhD scholarship awarded to top 30 commencing PhD students annually |
2013 – 2016
|
Australian Postgraduate Award Scholarship award to undertake PhD research |
2013 – 2016
|
Dean’s Merit Award for B.App.Sci. (Hons) Awarded to students who achieve a grade point average of 6.50 out of 7 and higher |
2008 – 2010
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Dean’s Merit Award for B.Math./B.App.Sci. (Physics) Awarded to students who achieve a grade point average of 6.50 out of 7 and higher |
Presentations
[03]
|
Walden, S.L., Fernando, J. F. S., Shortell, M. P., Jaatinen, E. A. (2016) Nonlinear optical properties of colloidal ZnO-Au nanostructures. Oral Presentation at IEEE International Conference on Nanotechnology, Sendai, Japan |
[02]
|
Walden, S. L., Fernando, J. F. S., Shortell, M. P., Waclawik, E. R., & Jaatinen, E. A. (2016). Dependence of Au morphology on nonlinear optical properties of ZnO-Au nanostructures. Poster presented at Australian Institute of Physics Conference, Brisbane, Australia |
[01]
|
Walden, S. L., Jaatinen, E. A., Chou, A. (2012). Second harmonic Generation in Thin Gold Films. Poster presented at Australian Institute of Physics Conference, Sydney, Australia |
Publications
[752] |
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. |
[747] |
Visible Light-Induced Switching of Soft Matter Material Properties Based on Thioindigo Photoswitches
Walden, S. L.; Nguyen, P. H. D.; Le, M. T. N.; Loh, X. J.; Barner-Kowollik, C.; Truong, V. X. Nat. Commun. 2023, in press. |
[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. 2023, 2306014. |
[731] |
Two Photon Induced Pulsed Laser Polymerization with Near Infrared Light
Neidinger, P.; Voll, D.; Walden, S. L.; Unterreiner, A.-N.; Barner-Kowollik, C. ACS Macro Lett. 2023, 12, 308-313. |
[715] |
First Principles for the First Steps in Multiphoton 3D Laser Printing: Quantum-Mechanical Case Study of DETC
Mauri, A.; Kiefer, P.; Neidinger, P.; Messer, T.; Bojanowski, M.; Yang, L.; Walden, S. L.; Unterreiner, A.-N.; Barner-Kowollik, C.; Wegener, M.; Wenzel, W.; Kozlowska, M. 2023, submitted. |
[716] |
Near Infrared Light Induced Radical Polymerization in Water
Neidinger, P.; Davis, J.; Voll, D.; Jaatinen, E. A.; Walden, S. L.; Unterreiner, A.-N.; Barner-Kowollik, C. Angew. Chem. 2022, e202209177. |
[709] |
Regioisomerism in Symmetric Dimethyl Dialdehydes Dictates their Photochemical Reactivity
Feist, F.; Rodrigues, L. L.; Walden, S. L.; Barner-Kowollik, C. J. Org. Chem. 2022, 87, 9296–9300. |
[705] |
Orange Light-induced Photochemistry Gated by pH and Confined Environments
Kodura, D.; Rodrigues, L. L.; Walden, S. L.; Goldmann, A. S.; Frisch, F.; Barner-Kowollik, C. J. Am. Chem. Soc. 2022, 144, 6343-6348. |
[703] |
Two-Colour Light Activated Covalent Bond Formation
Walden, S. L.; Rodrigues, L. L.; Alves, J.; Blinco, J. P.; Truong, V. X.; Barner-Kowollik, C. Nat. Comm. 2022, 13, 2943. |
[699] |
Sequence-Independent Activation of Photoreactions Using Two Colors of Light
Kamm, P. W.; Rodrigues, L.L; Walden, S. L.; Blinco, J.P.; Unterreiner, A.-N; Barner-Kowollik, C. Chem. Sci. 2022, 13, 531-535. |
[687] |
Light-Gated Control of Conformational Changes in Polymer Brushes
Bialas, S.; Krappitz, T.; Walden, S. L.; Kalayci, K.; Frisch, H.; MacLeod, J. M.; Nelson, A.; Michalek, L.; Barner-Kowollik, C. Adv. Mater. Technol. (Special Issue), 2022, 2100347. |
[697] |
Action Plots in Action: In-depth Insights into Photochemical Reactivity
Irshadeen, I.M.; Walden, S.L.; Wegener, M.; Truong, V.X.; Frisch, H.; Blinco, J.P.; Barner-Kowollik, C. J. Am. Chem. Soc. 2021, 143, 21113 – 21126. |
[691] |
Two Sides of the Same Coin: Light as a Tool to Control and Map Microsphere Design
Walden, S.L.; Hooker, J. P.; Delafresnaye, L.; Barner-Kowollik, C., ACS Macro Lett., 2021, 10, 851-856. |
[689] |
Green Light LED Activated Ligation of a Scalable, Versatile Chalcone Chromophore
Irshadeen, I. M.; de Bruycker, K.; Micallef, A.; Walden, S.L.; Frisch, H.; Barner-Kowollik,C. Polym. Chem. (special issue) 2021, 12, 4903-4909. |
[677] |
Chemiluminescent Self-Reported Unfolding of Single-Chain Nanoparticles
Bloesser; F. R.; Walden, S. L.; Irshadeen, I. M.; Chambers, L. C.; Barner-Kowollik, C. Chem. Commun. 2021, 57, 5203-5206. |
[667] |
The Bright and the Dark Side of the Sphere: Light-Stabilized Microparticles
Schmitt, C. W.; Walden, S. L.; Delafresnaye, L.; Houck, H. A.; Barner, L.; Barner-Kowollik, C. Polym. Chem. 2021, 12, 449-457. |
[650] |
Wavelength-gated Photochemical Synthesis of Phenalene Diimides
Feist, F.; Walden, S. L.; Alves, J.; Kunz, S.; Micallef, A.; Brock, A.; McMurtrie, J.; Weil, T.; Blinco, J. P.; Barner-Kowollik, C. Angew. Chem. Int. Ed. 2021, 60,10402-10408. |
[671] |
Mapping Photochemical Reactivity Profiles on Surfaces
Michalek, L.; Krappitz, T.; Mundsinger, K.; Walden, S.L.; Barner, L.; Barner-Kowollik, C. J. Am. Chem. Soc. 2020, 142, 21651-21655. |
[652] |
Chemiluminescent Read-Out of para-Fluoro-Thiol Network Formation
Bloesser, F. R.; Cavalli, F.; Walden, S. L.; Barner, L.; Barner-Kowollik, C. Chem. Commun. 2020, 56, 14996-14999. |
[644] |
2D Fabrication of Tuneable Responsive Interpenetrating Polymer Networks from a Single Photoresist
Bialas, S.; Michalek, L.; Walden, S.; Bloesser, F. R.; Frisch, H.; Barner-Kowollik, C. Adv. Funct. Mater. 2020, 2005328. |
[633] |
Light Induced Ligation of o-Quinodimethanes with Gated Fluorescence Self-Reporting
Feist, F.; Rodrigues, L. L.; Walden, S. L.; Krappitz, T. W.; Dargaville, T. R.; Weil, T.; Goldmann, A. S.; Blinco, J. P.; Barner-Kowollik, C. J. Am. Chem. Soc. 2020, 142, 7744-7748. |
[625] |
It’s a Trap: Thiol-Michael Chemistry on a DASA Photoswitch
Alves, J.; Wiedbrauk, S.; Walden, S. L.; Graefe, D.; Blinco, J. P.; Barner-Kowollik, C. Chem. Eur. J. 2020, 26, 809-813. |
[617] |
It’s in the Fine Print: Erasable Three-Dimensional Laser-Printed Micro- and Nanostructures
Graefe, D.; Walden, S.; Blinco, J. P.; Wegener, M.; Blasco, E.; Barner-Kowollik, C. Angew. Chem. Int. Ed. 2020, 59, 6330-6340. |
[04] |
Revealing the Wavelength Dependence of Photochemical Reactions: Cutting Edge Research in the Teaching Lab
Walden, S.; Frisch, H.; Unterreiner, B.; Unterreiner, A.-N.; Barner-Kowollik, C. J. Chem. Educ. 2020, 97, 543-548. |
Other Publications
2016
[04] | Accurate determination of nonlinear refraction in ZnO and Au composite nanostructures Walden, S. L., Fernando, J. F. S., Shortell, M. P., & Jaatinen, E. A. Optical Materials Express 2020, 10, 653-661. |
[03] | Nonlinear Absorption and Fluorescence in ZnO and ZnO-Au Nanostructures Walden, S. L., Fernando, J. F. S., Shortell, M. P., Waclawik, E. R., & Jaatinen, E. A. Advanced Optical Materials 2016, 4, 2133–2138. |
[02] | Modelling Gaussian beam propagation through thick nonlinear refractive and absorptive media Namarathne, D., Walden, S. L., Shortell, M. P., Jaatinen, E. A. Applied Physics A 2016, 122, 319. |
[01] | Multi-angle fluorometer technique for the determination of absorption and scattering coefficients of subwavelength nanoparticles Shortell, M. P., Hewins, R. A., Fernando, J. F. S., Walden, S. L., Waclawik, E. R., Jaatinen, E. A. Optics Express 2016, 24, 17090. |
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