Plant leaf extracts as photocatalytic activity tailoring agents for BiOCl towards environmental remediation.
The inducement of plant leaf extracts for the synthesis of various nanostructures has intrigued researchers across the earth to explore the mechanisms of biologically active compounds present in the plants. Herein, a green modified hydrolysis route has been employed for the synthesis of bismuth oxychloride i.e. BiOCl-N, BiOCl-T and BiOCl-A using plant extracts of Azadirachta indica (Neem), Ocimum sanctum (Tulsi), and Saraca indica (Ashoka), and; simultaneously, without plant extract (BiOCl-C), respectively. The as-prepared samples were examined by several microscopic and spectroscopic techniques which revealed that the biosynthesized BiOCl attained certain favorable features such as hierarchical nano-flower morphology, higher porosity, higher specific surface area and narrower band gap compared to BiOCl-C. The degradation of methyl orange (MO) and bisphenol A (BPA) using biosynthesized BiOCl were improved by 21.5% within 90 min and 18.2% within 600 min under visible light irradiation, respectively. The photocurrent response, electrochemical impedance spectroscopy (EIS) and photoluminescence (PL) studies indicated the effective inhibition of the electron-hole pair recombination and enhanced photocatalytic activity of the biosynthesized BiOCl.
['Garg|Seema|S|', 'Yadav|Mohit|M|', 'Chandra|Amrish|A|', 'Gahlawat|Soniya|S|', 'Ingole|Pravin P|PP|', 'Pap|Zsolt|Z|', 'Hernadi|Klara|K|']
D031601:Azadirachta D001391:Azo Compounds D001559:Benzhydryl Compounds D001729:Bismuth D002384:Catalysis D052918:Environmental Restoration and Remediation D007887:Fabaceae D049329:Nanostructures D000070004:Ocimum sanctum D010636:Phenols D055668:Photochemical Processes D010936:Plant Extracts D018515:Plant Leaves
Bismuth oxychloride Methyl orange Bisphenol A Azadirachta indica, Ocimum sanctum and Saraca indica Photocatalysis