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A re-investigation of the electronic spectrum of perylene
Institution:1. Key Laboratory of OptoElectronic Science and Technology for Medicine, Ministry of Education and Fujian Provincial Key Laboratory for Photonics Technology, Fujian Normal University, Fuzhou 350007, China;2. Department of Radiation Oncology, Fujian Provincial Cancer Hospital, Teaching Hospital of Fujian Medical University, Fujian Provincial Key Laboratory of Translational Cancer Medicine, Fuzhou 350014, China;3. College of Integrated Traditional Chinese and Western Medicine, Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian 350122, China;4. Department of Physics and Electronic Information Engineering, Minjiang University, Fuzhou 350108, China;5. Imaging Unit – Integrative Oncology Department, BC Cancer Agency Research Centre, Vancouver, BC, Canada;1. School of Economics and Management, Beijing Forestry University, No. 35 Tsinghua East Road Haidian District, Beijing, China;2. Faculty of Technology, Policy and Management, Delft University of Technology, Jaffalaan 5, 2628 BX Delft, The Netherlands;3. Faculty of International Relations and Public Affairs, Fudan University, No. 220, Handan Road, 200433 Shanghai, China
Abstract:A detailed spectroscopic analysis of the electronic absorption spectrum of the perylene molecule in boric acid glass is reported in the region 190–500 nm. To interpret the observed spectrum, the electronic energy levels and oscillator strengths have been calculated using the Free Electron Molecular Orbital (FEMO) method with limited configuration interaction N.S. Ham and K. Ruedenberg, J. Chem. Phys. 25, 1, 13 (1956)]. The effect of solute concentration on the relative intensities of the absorption bands has also been studied. The experimentally observed transition energies of four strong bands show a linear relationship with the theoretically calculated ones. Agreement between experimental and theoretical results is good.
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