SOLVED: Rhodamine 6G is a strongly light-absorbing molecule that is also strongly fluorescent: It has been used to create solution-based lasers where the laser wavelength can be tuned over a large portion
Enhanced photocatalytic degradation of rhodamine 6G (R6G) using ZnO–Ag nanoparticles synthesized by pulsed laser ablation in liquid (PLAL) - ScienceDirect