Physical chemistry · Colloid & interface science

From molecular interactions to macroscopic behavior.

We investigate how molecular and interfacial interactions shape the organization, dynamics, and properties of soft matter and complex fluids.

Led by Erica Pensini · University of Guelph

Circular Pensini Lab mark representing molecular organization and emergent properties
Research directions

Three directions. Shared foundations.

Molecular and interfacial interactions, colloid science, and self-assembly underpin our work. We investigate distinct physical phenomena without assuming that a single mechanism explains them all.

01

Phase behavior & separations

How do molecular interactions, thermodynamics and kinetics govern demixing, selective partitioning and freeze-induced segregation?

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02

Transport in heterogeneous media

How do chemical heterogeneity, interfaces and pore geometry influence diffusion, sorption and migration through porous and fractured materials?

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03

Functional soft materials

How do molecular organization, ionic redistribution and mechanical stimuli produce electrical and other functional responses?

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How we work

Mechanisms first. Applications follow.

We combine spectroscopy, scattering, microscopy, interfacial characterization, thermodynamic analysis and molecular modelling, choosing the methods that best test each physical question.

Contaminant separation, solute movement through aquifers and mechanoelectric materials are important systems in which we investigate transferable physical principles—not boundaries on the questions we ask.

About the lab →
Members of the research group during a visit to a large-scale scientific facility
Research is collaborative and experimental: a group visit to a major scientific facility.
Students & collaborators

Curiosity across disciplines.

We welcome researchers trained in chemistry, physics, materials science and related fields who want to connect molecular mechanisms with observable behavior.

Graduate opportunities
Researchers during a scientific facility visit