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Danaei D, Nabavi S H, Moshaii A. Investigating the variations of quantum efficiency of DCM laser dye in the presence of colloidal gold nanoparticles . ICOP & ICPET _ INPC _ ICOFS 2014; 20 :409-412
URL: http://opsi.ir/article-1-196-en.html
URL: http://opsi.ir/article-1-196-en.html
1- Tarbiat Modares University
Abstract: (37921 Views)
In this research, we investigate the effect of near field of gold nanoparticles on the enhancement of quantum yield of DCM dye. The gold nanoparticles due to possessing the absorption peak in the visible region can have most interaction with the dye molecules which are active in the visible region. The quantum efficiency of DCM dye was measured using the comparative method with CVP as the standard with quantum efficiency of 0.54. The experimental results show that under the optimum condition of the gold nanoparticles concentration in the DCM dye solution, the enhancement of quantum efficiency can reach to 18%.
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