Nanomaterials (Sep 2021)

SBA-Pr-Is-TAP Functionalized Nanostructured Silica as a Highly Selective Fluorescent Chemosensor for Fe<sup>3+</sup> and Cr<sub>2</sub>O<sub>7</sub><sup>2−</sup> Ions in Aqueous Media

  • Ghodsi Mohammadi Ziarani,
  • Maryam Akhgar,
  • Fatemeh Mohajer,
  • Alireza Badiei,
  • Rafael Luque

DOI
https://doi.org/10.3390/nano11102533
Journal volume & issue
Vol. 11, no. 10
p. 2533

Abstract

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SBA-Pr-Is-TAP was synthesized via functionalization of SBA-15. The synthesized hybrid nanomaterial was characterized by various techniques including FT-IR, TGA, XRD, SEM, and BET. SBA-Pr-Is-TAP could precisely bind Fe3+ and Cr2O72− ions among a range of different species in aqueous media, consequently acting as a nanoporous chemosensor of Fe3+ and Cr2O72− ions. An excellent linear relation was observed between the nanoporous chemosensor and ion concentrations, with acceptable detection limits of 2.43 × 10−6 M and 3.96 × 10−7 M for Fe3+ and Cr2O72− ions respectively.

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