Spectral behavior of 8-hydroxyquinoline aluminum in nanometer-sized holes of porous alumina |
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| Authors: | Chunxiang Xu Qinghua Xue Long Ba Bing Zhao Ning Gu Yiping Cui |
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| Institution: | (1) Department of Electronic Engineering, Southeast University, 210096 Nanjing, China;(2) National Laboratory of Molecular and Biomolecular Electronics, Southeast University, 210096 Nanjing, China |
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| Abstract: | The porous alumina have been prepared by anodization and an organic molecule 8-hydroxyquinoline aluminum (Alq3) has been impregnated in the pores. The morphology measured through atomic force microscopy shows that the size of the pores
is about 10 nm. A blue-shift photoluminescence of Alq3 in nanometer-sized hole is close to that of the monomers. The measured spectral characteristics demonstrate the limitation
of the porous alumina to the emission of Alq3. |
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| Keywords: | porous alumina nanometer blue-shift dimer monomer |
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