| Enhancement of Two-photon Absorption by Ce^3＋ Sensitization in Organic Dyes |
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| 作者姓名： | LI Jian-fu SUN Cheng-lin ZHOU Hai-ling XU Li-hua YANG Qing-xin JIANG Zhan-kui |
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| 作者单位： | LI Jian-fu1，SUN Cheng-lin2，ZHOU Hai-ling1，XU Li-hua2，YANG Qing-xin2 and JIANG Zhan-kui2，3 1.Department of Physics，Linyi Normal University，Linyi 276005，P.R.China;2.College of Physics，Jilin University，Changchun 130021，P.R.China;3.Department of Physics，Yantai University，Yantai 246005，P.R.China |
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| 基金项目： | Supported by the National Natural Science Foundation of China(No.10074020). |
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| 摘 要： | The two-photon absorption(TPA)and TPA-induced frequency upconversion emission properties of the dyes 4-P-(dicyanoethylamino)crystal]-N-methypyrdinium iodide and the complex of 4-P-(dicyanoethylamino)crystal]-N-methypyrdinium iodide and Ce(NO3)3 were experimentally studied.It was found that the TPA cross section for the dye sensitized by Ce3 is two factors larger than that of the dye without being sensitized.A three-level system model of the dye molecules was used to analyze the enhancement of TPA by the sensitizer Ce3 ,which indicated that the sensitizer results in the increase of the transition dipole moment from the one-photon allowed excited state(1Bu)to the two-photon allowed excited state(2Ag).
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| 关 键 词： | 双光子吸收 有机染料 频率转换 感光性 |
| 收稿时间： | 16 October 2006 |
| 修稿时间： | 2006-10-16 |
Enhancement of Two-photon Absorption by Ce Sensitization in Organic Dyes |
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| LI Jian-fu SUN Cheng-lin ZHOU Hai-ling XU Li-hua YANG Qing-xin JIANG Zhan-kui.Enhancement of Two-photon Absorption by Ce Sensitization in Organic Dyes[J].Chemical Research in Chinese University,2007,23(5):571-573. |
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| Authors: | Jian-fu LI Cheng-lin SUN Hai-ling ZHOU Li-hua XU Qing-xin YANG Zhan-kui JIANG |
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| Institution: | aDepartment of Physics, Linyi Normal University, Linyi 276005, P. R. China;bCollege of Physics, Jilin University, Changchun 130021, P. R. China;cDepartment of Physics, Yantai University, Yantai 246005, P. R. China |
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| Abstract: | The two-photon absorption (TPA) and TPA-induced frequency upconversion emission properties of the dyes4-P-(dicyanoethylamino) crystal]-N-methypyrdinium iodide and the complex of 4- P-(dicyanoethylamino) crystal]-N-methypyrdinium iodide and Ce( NO3 )3 were experimentally studied. It was found that the TPA cross section for the dye sensitized by Ce3 is two factors larger than that of the dye without being sensitized. A three-level system model of the dye molecules was used to analyze the enhancement of TPA by the sensitizer Ce3 , which indicated that the sensitizer results in the increase of the transition dipole moment from the one-photon allowed excited state(1Bu)to the two-photon allowed excited state(2Ag). |
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| Keywords: | Two-photon absorption Frequency upconversion Organic dye |
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