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Metal Organic Framework MIL-101(Cr): Spectroscopic Investigations to Reveal Iodine Capture Mechanism.

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Title: Metal Organic Framework MIL-101(Cr): Spectroscopic Investigations to Reveal Iodine Capture Mechanism.
Authors: Al Lafi, Abdul G.1 (AUTHOR) cscientific@aec.org.sy, Assfour, Bassem1 (AUTHOR), Assaad, Thaer2 (AUTHOR)
Source: Journal of Inorganic & Organometallic Polymers & Materials. Apr2020, Vol. 30 Issue 4, p1218-1230. 13p.
Subjects: Iodine, Organic conductors, Raman spectroscopy, X-ray spectroscopy, Fourier transform infrared spectroscopy, Fourier transforms
Abstract: Molecular scale information is the key to understand adsorption mechanism and consequently, to aid in the design of improved adsorbent materials. This paper reports on the use of two-dimensional correlation Fourier transformation Infrared 2D-COS-FTIR, Raman spectroscopies and X-ray diffraction to provide information about the structure of MIL-101(Cr), and the mechanism of iodine adsorption from cyclohexane solution. X-ray diffraction analysis and structure simulation revealed the presence of three preferable adsorption sites; close to Cr–O clusters and on top of benzene rings. FTIR spectroscopy further confirmed the presence of three different type of interactions (Cr–H2O, H2O–I2 and Cr–I2), which were located at 2930, 2850 and 1117 cm−1 respectively. The nature of iodine was identified as I 3 - and I 5 - from the characteristic peaks at around 106 cm−1, 135 cm−1 and 164 cm−1 in Raman spectra. The results reflected the power of combined 2D-COS-FTIR with Raman spectroscopy and X-ray diffraction in determining the structure of such complex systems. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Inorganic & Organometallic Polymers & Materials is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
An: 142270005
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  Data: Metal Organic Framework MIL-101(Cr): Spectroscopic Investigations to Reveal Iodine Capture Mechanism.
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  Data: <searchLink fieldCode="AR" term="%22Al+Lafi%2C+Abdul+G%2E%22">Al Lafi, Abdul G.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> cscientific@aec.org.sy</i><br /><searchLink fieldCode="AR" term="%22Assfour%2C+Bassem%22">Assfour, Bassem</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Assaad%2C+Thaer%22">Assaad, Thaer</searchLink><relatesTo>2</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Inorganic+%26+Organometallic+Polymers+%26+Materials%22">Journal of Inorganic & Organometallic Polymers & Materials</searchLink>. Apr2020, Vol. 30 Issue 4, p1218-1230. 13p.
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  Data: <searchLink fieldCode="DE" term="%22Iodine%22">Iodine</searchLink><br /><searchLink fieldCode="DE" term="%22Organic+conductors%22">Organic conductors</searchLink><br /><searchLink fieldCode="DE" term="%22Raman+spectroscopy%22">Raman spectroscopy</searchLink><br /><searchLink fieldCode="DE" term="%22X-ray+spectroscopy%22">X-ray spectroscopy</searchLink><br /><searchLink fieldCode="DE" term="%22Fourier+transform+infrared+spectroscopy%22">Fourier transform infrared spectroscopy</searchLink><br /><searchLink fieldCode="DE" term="%22Fourier+transforms%22">Fourier transforms</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Molecular scale information is the key to understand adsorption mechanism and consequently, to aid in the design of improved adsorbent materials. This paper reports on the use of two-dimensional correlation Fourier transformation Infrared 2D-COS-FTIR, Raman spectroscopies and X-ray diffraction to provide information about the structure of MIL-101(Cr), and the mechanism of iodine adsorption from cyclohexane solution. X-ray diffraction analysis and structure simulation revealed the presence of three preferable adsorption sites; close to Cr–O clusters and on top of benzene rings. FTIR spectroscopy further confirmed the presence of three different type of interactions (Cr–H2O, H2O–I2 and Cr–I2), which were located at 2930, 2850 and 1117 cm−1 respectively. The nature of iodine was identified as I 3 - and I 5 - from the characteristic peaks at around 106 cm−1, 135 cm−1 and 164 cm−1 in Raman spectra. The results reflected the power of combined 2D-COS-FTIR with Raman spectroscopy and X-ray diffraction in determining the structure of such complex systems. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Inorganic & Organometallic Polymers & Materials is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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      – Type: doi
        Value: 10.1007/s10904-019-01236-7
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      – Code: eng
        Text: English
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        PageCount: 13
        StartPage: 1218
    Subjects:
      – SubjectFull: Iodine
        Type: general
      – SubjectFull: Organic conductors
        Type: general
      – SubjectFull: Raman spectroscopy
        Type: general
      – SubjectFull: X-ray spectroscopy
        Type: general
      – SubjectFull: Fourier transform infrared spectroscopy
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      – SubjectFull: Fourier transforms
        Type: general
    Titles:
      – TitleFull: Metal Organic Framework MIL-101(Cr): Spectroscopic Investigations to Reveal Iodine Capture Mechanism.
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            NameFull: Al Lafi, Abdul G.
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            NameFull: Assfour, Bassem
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            NameFull: Assaad, Thaer
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            – D: 01
              M: 04
              Text: Apr2020
              Type: published
              Y: 2020
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            – TitleFull: Journal of Inorganic & Organometallic Polymers & Materials
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