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Self-directedly assembled porphyrin thin films with high photoactivity

机译：具有高拍摄性的自我导向组装的卟啉薄膜

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摘要

A novel silanized metalloporphyrin cobalt monomer (SMPCM) was prepared by using 5,10,15,20-tetra(4- hydroxyphenyl)porphyrin cobalt (CoTHPP) and γ-isocyanatopropyltriethoxysilane (ICPTES) as the reactants. Followed by the hydrolysis-polymerization of the organosilanes in the axial direction and peripheries of the SMPCM, the ordered porphyrin thin films with uniform morphology were facilely prepared on various substrates by the self-directed assembly of the SMPCM. The thin films formed was characterized by UV-vis spectra, electron microscopies, X-ray diffraction spectra, Fourier transform infrared spectra, fluorescence spectra and X-ray photoelectron spectra. The results demonstrated that the axial assembly between the Co~(3+) ion in the center of porphyrin macrocycle and ICPTES can prevent porphyrin lamellar from curling in horizontal direction, and then enhanced the order and stability of the films. Especially, the thin films possessed high, sensitive and stable photoelectronic response.
机译：通过使用5,10,15,20-四（4-羟基苯）卟啉钴（COTHPP）和γ-异氰酸丙基丙基三氧基硅烷（ICPTES）作为反应物制备新的硅烷化金属卟啉钴单体（SMPCM）。其次是在SMPCM的轴向和外周中的有机硅烷的水解聚合，通过SMPCM的自定向组装在各种基板上施加均匀形态的有序卟啉薄膜。形成的薄膜的特征在于UV-Vis光谱，电子显微镜，X射线衍射光谱，傅里叶变换红外光谱，荧光光谱和X射线光电子光谱。结果表明，卟啉宏茂和ICPTES中心的CO〜（3+）离子之间的轴向组件可以防止卟啉层层在水平方向上卷曲，然后增强薄膜的顺序和稳定性。特别是，薄膜具有高，灵敏和稳定的光电响应。

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  • 来源
    《RSC Advances》 |2015年第114期|共7页
  • 作者

    Bing Yuan; Riyue Ge; Shi-Zhao Kang;

  • 作者单位

    School of Chemical and Environmental Engineering Shanghai Institute of Technology 100 Haiquan Road Shanghai 201418 China.;

    School of Chemical and Environmental Engineering Shanghai Institute of Technology 100 Haiquan Road Shanghai 201418 China.;

    School of Chemical and Environmental Engineering Shanghai Institute of Technology 100 Haiquan Road Shanghai 201418 China.;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 化学;
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