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Welcome Eya

Hi everyone! I’m Eya Kacem, a PhD candidate in Chemistry at the University of Otago, working in the KCG Group under the supervision of Prof. Keith C. Gordon. Originally from Tunisia, I spent some time in Qatar, where I completed my Master’s degree in Materials Science and Technology at Qatar University and worked on several research projects in materials science.

Eya

My PhD research is funded by the Marsden Fund and focuses on spectroscopic characterization of nanoscale materials and photocatalytic systems. I am particularly interested in combining experimental and theoretical techniques to tackle complex scientific questions and develop innovative solutions.

Moving to New Zealand has been an exciting new chapter, and I am looking forward to learning, growing, and collaborating with researchers from different fields. Outside the lab, I enjoy exploring new places, cultures, meeting people from different backgrounds, and embracing every opportunity that comes with this adventure.

I’m excited to be part of the Otago community and look forward to the years ahead!

Farewell to Jervee

Jervee had a farewell celebration with the group.  She has returned to her work at the University of Philippines Manila in the Department of Physical Sciences and Mathematics where she holds an Assistant Professor position.

Jervee will be back later in the year for graduation.

We wish her well

The group at Jervee’s farewell party
Keith trying to get a computer to work

Congrats Amir

Congratulations to Amir Sohail who defended his thesis May 20.  Amir’s work was entitled “Electronic Structure and Charge-Transfer Dynamics in Donor–Acceptor Dyes and Heteroleptic Metal Complexes”.

Amir after his thesis defense
One of the neat compounds studied by Amir, synthesized in the Crowley lab by Joseph Wilkinson and Gourav Vashisth

Congrats Jeremy

Congratulations to Jeremy and Keith on their latest publication in the Journal of the Royal Society of New Zealand.  The citaiton is: Huang, Z.; Xue, B.; Zhang, M.; Rooney, J. S.; Gordon, K. C.; Killeen, D. P. Symbolically Regressing Fish Biomass Spectral Data: A Linear Genetic Programming Method With Tunable Primitives. Journal of the Royal Society of New Zealand 2026, 56 (3), e70051. DOI: https://doi.org/10.1002/snz2.70051

The work describes the use of machine learning based around genetic algorithms to classify fish waste and was part of an MBIE program looking at developing new technologies in marine industries.

 

Applying linear genetic programming with tunable primitives (LGP-TP) for fish biomass component prediction. Particularly, LGP-TP
synthesizes regression models based on the spectral data (inputs) and the chemical ground truth of on-hand fish samples (target outputs). The synthesized regression model from LGP-TP predicts the components of unseen fish biomass samples in real-world production.

 

Congratulations Peter

Congratulations to Peter who just published a wonderful review on low frequency Raman in ACS Optical Materials.

The full citation is: Remoto, P. J. G.; Gordon, K. C. Low-Frequency Raman Spectroscopy: Opportunities in Solid-State Modeling and Analysis. ACS Applied Optical Materials 2026, 4 (4), 1000–1029.

The work reviews the enormous growth in the use of low frequency Raman as a method of measuring very low frequency vibrations with applications across semiconductor, polymer, polymorph and even amorphous systems.

Abstract illustration for Peter’s paper

Congratulations Jervee

Congratulations to Jervee for submitting her thesis entitled “Using vibrational spectroscopy to investigate the molecular properties of plant-based food systems”. Her thesis examined the effects of pulse electric field treatments on plant-based proteins. This included protein meal through to semi-processed food stuffs. Thus far she has published six papers and has won and has won six poster or oral awards at conferences.

Jervee is working on another paper through her publishing bursary based on 2D correlation spectroscopy in protein-based systems.

Jervee’s PhD was funded by the Riddet Insititute.  Thanks to them for giving us such a great student and colleague.

Jervee celebrating

 

Jervee and group 1

 

Jervee with supervisors Indra and Keith

 

Jervee and extended group
Jervee ringing the bell

KCG group meetings in Wellington and Dunedin

The KCG group had their group meetings in Wellington and Dunedin this afternoon.  Khansa, Saniga, Anam and Sana met in the Wellington cable car during the MacDiarmid meeting and Peter, Lisa, MJ, Skyler and Keith enjoyed a great talk in Dunedin.

Khansa, Saniga, Anam and Sana in Wellington
MJ, Skyler, Peter, Lisa and Keith in Dunedin
Tea after the meeting
Iced tea after the meeting

New publication in Joule

A new publication in Joule (impact factor = 35.4) highlights the use of asymmetric separators to control ion nucleation in sodium ion batteries.  This can greatly increase performance.  This is part of a collaboration between Keith Gordon and Professor Guiyin Xu (Donghua University).  Citation: Asymmetric bulk toward energy-dense fast-charging sodium metal batteries, T. Zhang, X. Li, S. Yi, K. C. Gordon, G. Xu and M. Zhu, Joule, 2026, DOI: https://doi.org/10.1016/j.joule.2026.102354, 102354.

 

 

KCG Group at MacDiarmid meeting

The MacDiarmid Institute recently ran their MI Research Programme meetings and CRISP in Wellington, 9-10 April 2026.  A lot of group members went to it and contributed as part of the MESA group

Photos of the MESSA group at dinner, including Khansa, Anam, Sana and Saniga

Congratulations Peter

Peter just had a book chapter published with the Royal Society of Chemistry.  The Chapter entitled “The Use of Emission and Resonance Raman Spectroscopy to Examine Structural Changes upon Photoexcitation in Metal Complexes”  is part of Photofunctional MaterialsPhotoactive Coordination Complexes (part of the Inorganic Materials Series) edited by Paul A Scattergood.  The chapter lays out the principles of resonance Raman spectroscopy and its use in understanding excited state structure; including the use of quantum calculations and wavepacket dynamcs to establish structural changes.

From the book chapter – showing wavepacket dynamics
Front cover for Photofunctional Materials edited by Paul A Scattergood, published by the Royal Society of Chemistry in the Inorganic Materials Series. The cover shows two ball and stick coordination complexes connected by a rightward arrow, illustrating a photoinduced ligand ejection from a transition metal complex.