Photophysical Parameters, Excitation Energy Transfer, and Photoreactivity of 1,4-Bis(5-phenyl-2-oxazolyl)benzene (POPOP) Laser Dye

<table>Stern-Volmer plots for fluorescence quenching of 1 × 10<sup>−5</sup> mol dm<sup>−3</sup> POPOP by RB and fluorescine in methanol (<svg height="16.450001" id="M129" style="vertical-align:-3.39064pt" version="1.1" viewbox="0 0 64.699997 16.450001" width="64.699997" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,12.162)"><use xlink:href="#x1D706"></use></g>
<g transform="matrix(.012,-0,0,-.012,9.45,16.25)"><path d="M380 106l15 -22q-42 -52 -87 -74t-76 -22q-89 0 -142 62t-53 151q0 103 66 175q67 73 146 73h1q61 0 105.5 -46.5t44.5 -105.5q0 -16 -4.5 -22.5t-18.5 -9.5q-54 -10 -262 -17q1 -95 46 -143.5t104 -48.5q61 0 115 50zM225 412q-35 0 -64.5 -32.5t-40.5 -90.5q83 0 170 3
q14 0 19 4.5t5 15.5q1 41 -23.5 70.5t-65.5 29.5z" id="x65"></path></g><g transform="matrix(.012,-0,0,-.012,14.507,16.25)"><use xlink:href="#x78"></use></g>
<g transform="matrix(.017,-0,0,-.017,25.462,12.162)"><use xlink:href="#x3D"></use></g><g transform="matrix(.017,-0,0,-.017,40.149,12.162)"><use xlink:href="#x33"></use></g><g transform="matrix(.017,-0,0,-.017,48.309,12.162)"><use xlink:href="#x33"></use></g><g transform="matrix(.017,-0,0,-.017,56.468,12.162)"><use xlink:href="#x37"></use></g>
</svg> nm).</table>

International Journal of Photoenergy

fig6

Figure 6

Figure 6: Photophysical Parameters, Excitation Energy Transfer, and Photoreactivity of 1,4-Bis(5-phenyl-2-oxazolyl)benzene (POPOP) Laser Dye 