Structure of Co-Doped Alq3 thin films investigated by grazing incidence X-ray absorption fine structure and Fourier transform infrared spectroscopy |
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| Authors: | Lin Liang Pang Zhiyong Fang Shaojie Wang Fenggong Song Shumei Huang Yuying Wei Xiangjun Yu Haisheng Han Shenghao |
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| Affiliation: | School of Physics, State Key Laboratory of Crystal Materials, Shandong University, Jinan, P R China. |
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| Abstract: | The structural properties of Co-doped tris(8-hydroxyquinoline)aluminum (Alq(3)) have been studied by grazing incidence X-ray absorption fine structure (GIXAFS) and Fourier transform infrared spectroscopy (FTIR). GIXAFS analysis suggests that there are multivalent Co-Alq(3) complexes and the doped Co atoms tend to locate at the attraction center with respect to N and O atoms and bond with them. The FTIR spectra indicate that the Co atoms interact with the meridional (mer) isomer of Alq(3) rather than forming inorganic compounds. |
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