Publications [#262804] of Tuan Vo-Dinh

Papers Published

1. Campiglia, AD; Hueber, DM; Vo-Dinh, T, Laser-induced solid-surface room-temperature phosphorimetry of polycyclic aromatic hydrocarbons, Applied Spectroscopy, vol. 50 no. 2 (January, 1996), pp. 252-256, SAGE Publications [doi]
   (last updated on 2024/04/22)

   Abstract:
   Laser-induced solid-surface room-temperature phosphorimetry (SSRTP) has been employed for the detection of polycyclic aromatic hydrocarbons. A nitrogen-pumped laser and a dye laser were used as excitation sources. The effects of sample volume, laser irradiation, and background reduction treatment on the precision and sensitivity of the method were studied. With the use of thallium(I) acetate as a phosphorescence enhancer, picogram limits of detection were estimated for phenanthrene, pyrene, benzo[g,h,i]perylene, chrysene, coronene, and 1,2-benzofluorene. The study demonstrates that laser excitation can improve the sensitivity of SSRTP by up to three orders of magnitude.

   Keywords:
   Laser beam effects;Aromatic hydrocarbons;Pumping (laser);Dye lasers;Sensitivity analysis;Thallium compounds;