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Carrier Thermalization and Cooling

Carrier-carrier and carrier-lattice interactions can be probed through the spectral relaxation dynamics of photoexcited carrier populations on ultrafast timescales.

We are investigating how the crystal structure of semiconductors can be used to control carrier cooling times.

We have demonstrated that carrier cooling in hybrid perovskites shows delayed cooling through hot phonon effects.


Hot carrier relaxation


Price et al., Nature Communications, doi:10.1038/ncomms9420