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      Organization of bridging organics in periodic mesoporous organosilicas (PMOs)-polarization micro-raman spectroscopy

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      Author(s)
      Dag, Ö.
      Ozin, G. A.
      Date
      2001
      Source Title
      Advanced Materials
      Print ISSN
      0935-9648
      Publisher
      Wiley
      Volume
      13
      Issue
      15
      Pages
      1182 - 1185
      Language
      English
      Type
      Article
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      Abstract
      The organization of bridging organics in oriented periodic mesoporous organosilica film (OPMOF) was demonstrated using the polarization micro-Raman spectroscopy (PMRS) in conjunction with powder x-ray diffraction (PXRD) and polarization optical microscopy (POM). The synthesis and the structural characterization of hexagonal symmetry OPMOF containing bridge-bonded ethane, ethene inside the silica channel walls were described. The mesoscale channels were found to run parallel to the surface of the underlying glass substrates as demonstrated by the PXRD measurements. A hexagonal array of channels with glassy silica organosilica walls was the best description of the structure shown by the PMRS measurements of OPMOF.
      Keywords
      Anisotropy
      Ion exchange
      Liquid crystals
      Mesoporous materials
      Microstructure
      Nuclear magnetic resonance spectroscopy
      Polycondensation
      Polymerization
      Raman scattering
      Raman spectroscopy
      Synthesis (chemical)
      X ray powder diffraction
      Oriented periodic mesoporous organosilica films (OPMOF)
      Silicon compounds
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      http://hdl.handle.net/11693/24827
      Published Version (Please cite this version)
      https://doi.org/10.1002/1521-4095(200108)13:15<1182::AID-ADMA1182>3.0.CO;2-%23
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      • Department of Chemistry 707
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