@article{howells_fox_2003, title={Steady-state fluorescence of dye-sensitized TiO2 xerogels and aerogels as a probe for local chromophore aggregation}, volume={107}, number={18}, journal={Journal of Physical Chemistry. A, Molecules, Spectroscopy, Kinetics, Environment & General Theory}, author={Howells, A. R. and Fox, M. A.}, year={2003}, pages={3300–3304} }