Immobilization of metalloporphyrin on functionalized SBA-15 nanoporous silica

Authors

  • Nurafiqah Saadon Universiti Teknologi Malaysia
  • Salasiah Endud Universiti Teknologi Malaysia
  • Mohd Bakri Bakar Universiti Teknologi Malaysia
  • Mahsa Khoshkhooy Yazdi Universiti Teknologi Malaysia

DOI:

https://doi.org/10.11113/mjfas.v11n4.393

Keywords:

Nanoporous silica, metalloporphyrins, APTES,

Abstract

SBA-15 nanoporous silica was prepared by cooperation assembly of tetraethylorthosilicate  precursor in the presence of poly (ethylene glycol)–block- poly (propylene glycol)–block- poly (ethylene glycol) copolymer surfactant and functionalized with (3-aminopropyl) triethoxysilane (APTES) via sol-gel reaction to obtain APTES-SBA-15. Tetra-(p-chlorophenyl) porphyrin (TClPP) was synthesized using modified Alder- Longo method. Zinc was inserted into the TClPP using zinc acetate as a metal source The existance of zinc in porphyrin was confirmed by the appearance of Soret band and Q band in UV- vis spectra. ZnTClPP was also characterized using FTIR and NMR spectroscopy SBA-15 was modified with APTES to immobilize the metalloporphyrin on SBA-15 surface. The product (NH-SBA-15 ZnP) can be used as a heterogenous catalyst in various reactions. The formation of this material was confirmed by FTIR spectroscopy, XRD and BET adsorption. 

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Published

02-08-2016