SYNTHESIZE METAL-ORGANIC FRAMEWORKS FROM CHROMIUM METAL IONS AND PTCDA LIGANDS FOR METHYLENE BLUE PHOTODEGRADATION

N. Saridewi, F. M. Azhar, P. A. Abdillah, A. Zulys, S. Nurbayti, L. Tulhusna, A. Adawiah

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

A new photocatalyst-based metal-organic framework (MOFs) Cr-PTC was synthesized from chromium ion and sodium perylene-3,4,9,10-tetracarboxylate by the solvothermal method. This study aims to construct MOFs Cr-PTC and analyze their degradation photocatalytic activity against methylene blue under mercury lamp irradiation as the visible light source. XRD Spectrum exhibited MOFs Cr-PTC has intensity at a value of 2θ = 9.17°; 12.865°; 25.621°; and 27.85°. MOFs Cr-PTC has a narrow bandgap energy of 2.01 eV. MOFs Cr-PTC has good photocatalytic activity in methylene blue degradation under visible light irradiation at neutral pH with 87.22 mg/gram degradation capacity for 180 minutes. Species that play a dominant role in photocatalytic methylene blue degradation are hydroxyl radicals (•OH) and holes (h+) and are assisted by other species such as excited electrons (e-) and superoxide radicals (•O2-).

Original languageEnglish
Pages (from-to)2544-2550
Number of pages7
JournalRasayan Journal of Chemistry
Volume15
Issue number4
DOIs
Publication statusPublished - 1 Oct 2022

Keywords

  • Methylene Blue
  • MOFs Cr-PTC
  • Photocatalyst
  • Solvothermal

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