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In these articles (published in Analyst and Soft Matter) we worked with Queen’s researchers Carlos Escobedo and Juan Gomez-Cruz on a new chemical sensor using surface plasmon polaritons. Following earlier work by Escobedo’s group we recorded the “extraordinary optical transmission” through a gold film that has a grid of nanometer-sized holes and monitored its change as the refractive index of an attached polymer film changes. the second article describes a new model for 1-dimensional diffusion kinetics based on the exact integration of Fick’s law.
Congratulations to Dr Swapnil Daxini, who defended his thesis “Light as a Probe: Harnessing Optical Resonances for Sensing Chemical Diffusion and Mechanical Strain” on December 9th, 2025.
So, you are about to graduate with a B.Sc. in chemistry or physics, and are looking for an exciting research opportunity? Consider applying for one of two graduate student positions in our group! We are a multidisciplinary and diverse team of chemists and physicists, and we are keen to work with you.
