Review Article

Contact and Distant Luminescence Quenching in Solutions

Figure 31

Ground and excited electronic states of the reactants, and , and charged products, and . The dotted lines represent vibrational excited states ( ), the crossing points for forward transfer are marked by circles ( ) and for backward transfer by bullets ( ). The arrows show the direction of the intra-molecular vibrational relaxation. From [49].
214219.fig.031