What if the energy around us could power the technologies we rely on every day?

At the University of St Andrews, Dr. Lethy Krishnan Jagadamma and the Energy Harvesting Research Group are exploring that possibility through ambient energy harvesting — capturing energy from light, motion and temperature changes to help power the small sensors behind smart buildings, smart cities and wearable technologies.

At the centre of this work is a simple but important challenge: finding materials that can harvest energy efficiently, reliably and under tightly controlled conditions. Using Linkam’s HFS600EV-PB4, Dr. Jagadamma’s team has been able to study halide perovskite thin films with precise control over temperature, humidity, vacuum and gas environment. This has helped the group investigate key material transitions, better understand device behaviour and open new directions for sustainable energy research.

The result is more than a research milestone. It is a glimpse of how precise environmental control can support scientists working on technologies that could reduce battery dependence and help build a more sustainable future.

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