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Facile Green Synthesis of BiOBr Nanostructures with Superior Visible-Light-Driven Photocatalytic Activity.
Materials (Basel). 2018 Jul 24; 11(8)M

Abstract

Novel green bismuth oxybromide (BiOBr-G) nanoflowers were successfully synthesized via facile hydrolysis route using an Azadirachta indica (Neem plant) leaf extract and concurrently, without the leaf extract (BiOBr-C). The Azadirachta indica leaf extract was employed as a sensitizer and stabilizer for BiOBr-G, which significantly expanded the optical window and boosted the formation of photogenerated charge carriers and transfer over the BiOBr-G surface. The photocatalytic performance of both samples was investigated for the degradation of methyl orange (MO) and phenol (Ph) under the irradiation of visible light. The leaf extract mediated BiOBr-G photocatalyst displayed significantly higher photocatalytic activity when compared to BiOBr-C for the degradation of both pollutants. The degradation rate of MO and Ph by BiOBr-G was found to be nearly 23% and 16% more when compared to BiOBr-C under visible light irradiation, respectively. The substantial increase in the photocatalytic performance of BiOBr-G was ascribed to the multiple synergistic effects between the efficient solar energy harvesting, narrower band gap, high specific surface area, porosity, and effective charge separation. Furthermore, BiOBr-G displayed high stability for five cycles of photocatalytic activity, which endows its practical application as a green photocatalyst in the long run.

Authors+Show Affiliations

Department of Chemistry, Amity Institute of Applied Sciences, Amity University, Sector-125, Noida 201313, Uttar Pradesh, India. sgarg2@amity.edu.Department of Chemistry, Amity Institute of Applied Sciences, Amity University, Sector-125, Noida 201313, Uttar Pradesh, India. yadavmohit27@gmail.com. Amity Institute of Nanotechnology, Amity University, Sector-125, Noida 201313, Uttar Pradesh, India. yadavmohit27@gmail.com.Amity Institute of Pharmacy, Amity University, Sector-125, Noida 201313, Uttar Pradesh, India. chandra.amrish@gmail.com.Department of Chemistry, Indian Institute of Technology, Delhi, Hauz Khas, New Delhi 110016, India. sapra@chemistry.iitd.ac.in.Department of Chemistry, Indian Institute of Technology, Delhi, Hauz Khas, New Delhi 110016, India. soniyagh.iitd@gmail.com.Department of Chemistry, Indian Institute of Technology, Delhi, Hauz Khas, New Delhi 110016, India. ppingole@chemistry.iitd.ac.in.Nanostructured Materials and Bio-Nano-Interfaces Center, Interdisciplinary Research Institute on Bio-Nano-Sciences, Babeș-Bolyai University, Cluj-Napoca 400271, Romania. militodea@yahoo.com. Department of Molecular Sciences, Faculty of Medicine, Iuliu Haţieganu University of Medicine and Pharmacy, Cluj-Napoca 400012, Romania. militodea@yahoo.com.Department of Applied and Environmental Chemistry, University of Szeged, Rerrich tér 1, H-6720 Szeged, Hungary. bardosenci@gmail.com.Nanostructured Materials and Bio-Nano-Interfaces Center, Interdisciplinary Research Institute on Bio-Nano-Sciences, Babeș-Bolyai University, Cluj-Napoca 400271, Romania. k.pap.zsolt@gmail.com. Institute of Environmental Science and Technology, University of Szeged, Tisza Lajos krt. 103, H-6720 Szeged, Hungary. k.pap.zsolt@gmail.com.Department of Applied and Environmental Chemistry, University of Szeged, Rerrich tér 1, H-6720 Szeged, Hungary. hernadi@chem.u-szeged.hu.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

30042360

Citation

Garg, Seema, et al. "Facile Green Synthesis of BiOBr Nanostructures With Superior Visible-Light-Driven Photocatalytic Activity." Materials (Basel, Switzerland), vol. 11, no. 8, 2018.
Garg S, Yadav M, Chandra A, et al. Facile Green Synthesis of BiOBr Nanostructures with Superior Visible-Light-Driven Photocatalytic Activity. Materials (Basel, Switzerland). 2018;11(8).
Garg, S., Yadav, M., Chandra, A., Sapra, S., Gahlawat, S., Ingole, P. P., Todea, M., Bardos, E., Pap, Z., & Hernadi, K. (2018). Facile Green Synthesis of BiOBr Nanostructures with Superior Visible-Light-Driven Photocatalytic Activity. Materials (Basel, Switzerland), 11(8). https://doi.org/10.3390/ma11081273
Garg S, et al. Facile Green Synthesis of BiOBr Nanostructures With Superior Visible-Light-Driven Photocatalytic Activity. Materials (Basel, Switzerland). 2018 Jul 24;11(8) PubMed PMID: 30042360.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Facile Green Synthesis of BiOBr Nanostructures with Superior Visible-Light-Driven Photocatalytic Activity. AU - Garg,Seema, AU - Yadav,Mohit, AU - Chandra,Amrish, AU - Sapra,Sameer, AU - Gahlawat,Soniya, AU - Ingole,Pravin P, AU - Todea,Milica, AU - Bardos,Eniko, AU - Pap,Zsolt, AU - Hernadi,Klara, Y1 - 2018/07/24/ PY - 2018/07/02/received PY - 2018/07/19/revised PY - 2018/07/20/accepted PY - 2018/7/26/entrez PY - 2018/7/26/pubmed PY - 2018/7/26/medline KW - bismuth oxybromide KW - hydrolysis KW - methyl orange KW - phenol KW - photocatalysis JF - Materials (Basel, Switzerland) VL - 11 IS - 8 N2 - Novel green bismuth oxybromide (BiOBr-G) nanoflowers were successfully synthesized via facile hydrolysis route using an Azadirachta indica (Neem plant) leaf extract and concurrently, without the leaf extract (BiOBr-C). The Azadirachta indica leaf extract was employed as a sensitizer and stabilizer for BiOBr-G, which significantly expanded the optical window and boosted the formation of photogenerated charge carriers and transfer over the BiOBr-G surface. The photocatalytic performance of both samples was investigated for the degradation of methyl orange (MO) and phenol (Ph) under the irradiation of visible light. The leaf extract mediated BiOBr-G photocatalyst displayed significantly higher photocatalytic activity when compared to BiOBr-C for the degradation of both pollutants. The degradation rate of MO and Ph by BiOBr-G was found to be nearly 23% and 16% more when compared to BiOBr-C under visible light irradiation, respectively. The substantial increase in the photocatalytic performance of BiOBr-G was ascribed to the multiple synergistic effects between the efficient solar energy harvesting, narrower band gap, high specific surface area, porosity, and effective charge separation. Furthermore, BiOBr-G displayed high stability for five cycles of photocatalytic activity, which endows its practical application as a green photocatalyst in the long run. SN - 1996-1944 UR - https://www.unboundmedicine.com/medline/citation/30042360/Facile_Green_Synthesis_of_BiOBr_Nanostructures_with_Superior_Visible_Light_Driven_Photocatalytic_Activity_ L2 - https://www.mdpi.com/resolver?pii=ma11081273 DB - PRIME DP - Unbound Medicine ER -
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