Photochromic Inorganic/Organic Self-Assembled Superlattice Films |
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Authors: | Chen Zh Zhao-hui Ma Ying Zhang Xt Xin-tong Liu Bin Yao Jn Jian-nian |
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Institution: | Center for Molecular Science, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100080, People's Republic of China |
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Abstract: | Phosphotungstic acid (PW12) and 1,10-diaminodecane (1,10-DAD) molecules have been alternatively assembled on 3-aminopropyltriethyoxysilane modified quartz or silicon substrate to form multicomposite mutilayer thin films by the molecular deposition technique. Thus-obtained films were characterized by UV-visible, XRD, X-ray reflection (XRR), and XPS spectra. Results show that the layer-by-layer self-assembly of PW12 and 1,10-DAD leads to a well-ordered superlattice-layered structure with a d-spacing of 3.19 nm, which exhibits extremely exciting photochromic properties. Based on the experimental data, a presumable interlayer structural model has also been suggested. |
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Keywords: | Abbreviations: self-assemblyAbbreviations: photochromicAbbreviations: inorganic/organicAbbreviations: superlatticeAbbreviations: PW12Abbreviations: 1 10-DAD |
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