Pechini synthesis using propylene glycol and various acid as stabilizing agents and
characterization of Gd2NiMnO6 ceramic nanostructures with good photocatalytic properties
for removal of organic dyes in water
a b s t r a c t
Gd2NiMnO6(GNMO NSs) nanostructures were synthesized via a Pechini method usingpropylene glycol (PG) as alkaline agent and various acid solutions as stabilizing agents.Effect of temperature, time and stabilizing agent was investigated in order to reach the finestnanostructures. The morphology, structure and magnetic property of nanostructures exam-ined by XRD, SEM, HRTEM, FTIR, BET and VSM techniques. The photocatalytic degradationability of GNMO NSs for the removal of different dyes from wastewater was reported. Theobtained adsorbent with porous structure not only displayed fast rate adsorption, greatercapacity adsorption, and promising selectivity adsorption to various dyes but also presentedconvenient magnetic separation characteristic. Rapid decomposition of dye observed witha rate of degradation, more than 90 % within the initial 105 min, which is qualified to theporous structure, great surface area (6.1735 m2g−1), narrow of pore size (˜106.09 nm) assessedfrom adsorption-desorption isotherms analysis of N2as well as outstanding electron accept-ing structures of the planned porous nanoparticles. Consequently, prepared nanocompositeindicated the great potential to be considered as an active and rapid magnetic adsorbent forthe dye removal from wastewater.
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