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Synthesis of zinc stannate nanoparticles by sol-gel method for photocatalysis of commercial dyes
Results in Chemistry Pub Date : 2020-01-08 , DOI: 10.1016/j.rechem.2020.100023
Bibi Ayesha , Uzma Jabeen , Attia Naeem , Parveen Kasi , Muhammad Najam Khan Malghani , Sajid Ullah Khan , Javeed Akhtar , Muhammad Aamir

Herein, we report the synthesis of Zn2SnO4 (ZTO) nanoparticles via sol-gel method at room temperature. The as-synthesized ZTO nanoparticles were characterized by using fourier transform infra-red spectroscopy (FT-IR), powdered X-ray diffraction (pXRD), UV–visible spectroscopy, and field emission scanning electron microscopy (FE-SEM). Photocatalytic activity of as-prepared zinc stannate (ZTO) was tested by fabricating ZTO thin films on glass substrates. The photocatalytic degradation of methyl orange (MO) and methylene blue (MB) was estimated by using ZTO nanoparticle thin films under UV light irradiation for 1 h. Photo catalytic degradation of MO and MB by the ZTO nanocrystals showed that the ZTO acted as a potential photocatalyst under unfiltered natural sunlight of irradiation 300 W/m2. The MO dye was degraded about 73% and MB was degraded about 62% in the presence of ZTO nanoparticles respectively in 60 min.



中文翻译:

溶胶-凝胶法合成锡酸锌纳米粒子用于光催化工业染料

在这里,我们报道了Zn 2 SnO 4的合成(ZTO)纳米粒子在室温下通过溶胶-凝胶法制备。通过使用傅立叶变换红外光谱(FT-IR),粉末X射线衍射(pXRD),紫外可见光谱和场发射扫描电子显微镜(FE-SEM)表征合成的ZTO纳米粒子。通过在玻璃基板上制备ZTO薄膜,测试了制备的锡酸锌(ZTO)的光催化活性。使用ZTO纳米粒子薄膜在紫外光照射1 h的条件下,评估了甲基橙(MO)和亚甲基蓝(MB)的光催化降解。ZTO纳米晶体对MO和MB的光催化降解表明,在未经过滤的300 W / m 2的自然阳光下,ZTO可以作为潜在的光催化剂。。在ZTO纳米粒子的存在下,分别在60分钟内,MO染料降解了约73%,MB降解了约62%。

更新日期:2020-01-08
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