Non-linear effects in the quenching of fluorescent quantum dots by nitroxyl free radicals.

@article{Laferrire2006NonlinearEI,
  title={Non-linear effects in the quenching of fluorescent quantum dots by nitroxyl free radicals.},
  author={Marie Laferri{\`e}re and R E Galian and Vincent Maurel and Juan C Scaiano},
  journal={Chemical communications},
  year={2006},
  volume={3},
  pages={257-9}
}
Quenching of quantum dot luminescence by nitroxides is extremely non-linear and dependent on nanoparticle size, being most effective for the smaller particles; it is proposed to involve an electron exchange mechanism.