Figure 4.

Time-resolved differential absorption of SnO2nanowires excited with 4.00 eV photons (310 nm) at fluence of 500 μJ/cm2and probe at different photon energies ranging from UV to near IR

Othonos et al. Nanoscale Research Letters 2009 4:828-833   doi:10.1007/s11671-009-9323-9