Ionic liquid-assisted synthesis, characterization and photocatalytic properties of SnO microflowers with nanosheet subunits

Subject Areas : Journal of Nanoanalysis

Masoomeh Siminghad ¹ , Ashraf Sadat Shahvelayati ² , Shabnam Sheshmani ³ , Roya Ahmadi ⁴

1 - Department of Chemistry, Yadegar-e-Imam Khomeini (RAH) Shahre-rey Branch, Islamic Azad University, Tehran, Iran
2 - Chemistry department, Yadegar-e Imam Khomeini (RAH) Shahre-rey, Islamic Azad University, Tehran, Iran
3 - Department of Chemistry, Yadegar-e-Imam Khomeini (RAH) Shahre-rey Branch, Islamic Azad University, Tehran, Iran
4 - Department of Chemistry, Yadegar-e-Imam Khomeini (RAH) Shahre-rey Branch, Islamic Azad University, Tehran, Iran

Received: 2019-12-20 Accepted : 2019-12-20 Published : 2019-12-01

Keywords: Ionic liquid, Photodegradation, Nanosheet, Microflower, 1-Pentyl-3-methylimidazolium bromide, Remazol Black B, SnO,

Abstract :

In this study, simple ionic liquid-assisted preparation of SnO microflowers with nanosheet subunitsunder reflux condition without calcination were described. Samples were synthesized using 1-pentyl-3-methylimidazolium bromide, [pmim]Br, as an ionic liquid in different molar ratio, sodium hydroxideand Tin(II) chloride. The results show that SnO with high purity and uniform size distribution wasobtained using 1:4:4 molar ratios of SnCl2/NaOH/IL by simple reflux method and the ionic liquidonly acts as a suitable template. The characterization of the products was carried out by FT-IR, X-raypowder diffraction (XRD), scanning electron microscopy (SEM), energy dispersive X-ray spectroscopy(EDXS) and DRS techniques. Photodegradation of Remazol Black B (RBB) from the aqueous solutionwas investigated by SnO nanosheets (93.48% dye removal). The rate of degradation of RBB in thepresence of SnO is distinctive by the pseudo-first-order kinetic model (R2 > 0.79).