Synthesis and Characterization of Graphene Based Hybrid Ligands and Their Metal Complexes: Investigation of Chemosensor and Catalytic Properties

Organosilane-functionalized and chemically activated graphene-supported Schiff base ligand were synthesized and characterized with XRD, SEM, EDX, TEM, UV.-Vis., FT-IR and TG/DTA techniques. In the synthesis process, graphene oxide was rstly obtained with Hummer' s method and reacted with 3-(trimethoxysilyl)propylamine. The last, the amine-activated and organosilane containing GO was reacted with 3,5-di-tert-butylsalicylaldehyde resulting the hybrid material (M) having azomethine group. The material (M) was used as an adsorbent in order to remove the cobalt(II) and zinc(II) ions in drinking water and standard solutions. The adsorption capacity of the material (M) to cobalt(II) and zinc(II) ions was investigated by batch method. Moreover, the effect of pH, contact time, temperature, and concentration on the adsorption capacity of the material was also investigated. The enrichment factors were calculated as 441 and 675 for zinc(II) and cobalt(II), respectively. The recovery performance of the material was determined in 98.65-101.75% and 98.55-104.0% range for zinc(II) and cobalt(II) ions, respectively. HighlightsThe imine-graphene hybrid material (HL) was synthesized.The hybrid material (HL) was used as an adsorbent for removal of the Co(II) and Zn(II) metal ions.The chemical structures of the hybrid material(HL) were characterized by the FT-IR, XRD, EDX, SEM, TEM and Uv-vis techniques.Adsorption capacity of the hybrid material toward Co(II) and Zn(II) metal ions were investigated.The effects of pH, contact time, temperature, and concentration on the adsorption properties of the hybrid material were investigated.

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Su Numunelerinde Polisiklik Aromatik Hidrokarbonların (PAH) Katı Faz Ekstraksiyonu İçin Adsorben Üretimi

ÇAYLAR,

TAHTA,

SÜNBÜL

et al. 2023

Osmaniye Korkut Ata Üniversitesi Fen Bilimleri Enstitüsü Dergisi

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Polisiklik aromatik hidrokarbonlar iki ya da daha fazla aromatik halkaya sahip hidrofobik karakterli organik bileşiklerdir. Ülkemizde bulunan havzaların kirliliğinin tespiti çalışmalarının yanı sıra tüm içme-kullanma sularının kirliliğinin tespitinde de Polisiklik Aromatik Hidrokarbonların (PAH) analizleri yoğun bir şekilde yaptırılmaktadır. Su numunelerinden PAH ekstraksiyonunda C18 diskler kullanılmaktadır. Bu çalışmada C18 disklere alternatif olarak silika destekli malzemeler sentezlendi ve sentezlenen adsorbenler FT-IR, SEM-EDX ve XRD ile yapıları aydınlatıldı. Ayrıca, elde edilen malzemeler, HPLC analizi öncesinde su numunelerinden PAH ların ekstraksiyon ve saflaştırma denemelerinde kullanıldı ve sonuçlar muadil C18 disklerle karşılaştırıldı. Üretilen adsorbenlerin PAH ekstraksiyon ve saflaştırma denemelerinde muadil C18 kartuşlar kadar hatta n-oktadesiltrimetoksisilan ile sentezlenen malzemenin (C18@SiO2) daha etkili bile olduğu gözlemlenmiştir

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Synthesis and Characterization of Graphene Based Hybrid Ligands and Their Metal Complexes: Investigation of Chemosensor and Catalytic Properties

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References 39 publications

Synthesis of GO@Fe3O4@TiO2 type organic–inorganic nanohybrid material: Investigation of the effect of nanohybrid doped liquid crystal E7 and the photocatalytic degradation of ciprofloxacin

Synthesis of GO@Fe3O4@TiO2 type organic–inorganic nanohybrid material: Investigation of the effect of nanohybrid doped liquid crystal E7 and the photocatalytic degradation of ciprofloxacin

Organosilane-functionalized graphene oxide hybrid material: Efficient adsorbent for heavy metal ions in drinking water

Su Numunelerinde Polisiklik Aromatik Hidrokarbonların (PAH) Katı Faz Ekstraksiyonu İçin Adsorben Üretimi

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