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B-doped SnO2 nanoparticles: a new insight into the photocatalytic hydrogen generation by water splitting and degradation of dyes.

Authors
  • Kumar, Sanjeev1, 2
  • Bhawna,1
  • Yadav, Sanjeev Kumar3
  • Gupta, Akanksha4
  • Kumar, Ravinder5
  • Ahmed, Jahangeer6
  • Chaudhary, Monika5
  • Suhas,7
  • Kumar, Vinod8
  • 1 Department of Chemistry, University of Delhi, New Delhi, India. , (India)
  • 2 Department of Chemistry, Kirori Mal College, University of Delhi, New Delhi, India. , (India)
  • 3 Department of Chemistry, Indian Institute of Technology, Delhi, New Delhi, India. , (India)
  • 4 Department of Chemistry, Sri Venkateswara College, University of Delhi, New Delhi, India. , (India)
  • 5 Department of Chemistry, Gurukula Kangri (Deemed To University), Haridwar, India. , (India)
  • 6 Department of Chemistry, College of Science, King Saud University, P.O. Box 2455, Riyadh, 11451, Saudi Arabia. , (Saudi Arabia)
  • 7 Department of Chemistry, Gurukula Kangri (Deemed To University), Haridwar, India. [email protected] , (India)
  • 8 Special Centre for Nano Sciences, Jawaharlal Nehru University, Delhi, India. [email protected] , (India)
Type
Published Article
Journal
Environmental Science and Pollution Research
Publisher
Springer-Verlag
Publication Date
Jul 01, 2022
Volume
29
Issue
31
Pages
47448–47461
Identifiers
DOI: 10.1007/s11356-022-18946-0
PMID: 35182339
Source
Medline
Keywords
Language
English
License
Unknown

Abstract

Boron-doped SnO2 (B:SnO2) has been synthesized via a facile wet chemical method to deal with increasing energy demand and environment-related issues. Powder XRD confirmed the rutile phase of the synthesized B:SnO2 nanoparticles. Energy dispersive X-ray analysis and elemental mapping confirmed 1% B doping into SnO2 lattice. A red shift was observed during the analysis of Raman and FTIR spectral data. The bands in FTIR and Raman spectra confirmed the in-plane and bridging oxygen vacancies in SnO2 lattice introduced due to B doping. These nanoparticles showed proficiency in photocatalytic hydrogen generation and degradation of crystal violet (CV) and rhodamine B (RhB) dyes. The degradation of CV and RhB dyes in the presence of B:SnO2 NPs and ethane-1,2-diaminetetracetic acid (EDTA) was found to be 83 and ~ 100%, respectively. To escalate the efficiency of dye degradation, the experiment was performed with different sacrificial agents (EDTA, methanol, and triethanolamine). The maximum hydrogen production rate (63.6184 µmol g-1 h-1) was observed for B:SnO2 along with Pd as co-catalyst, and methanol and EDTA solution as sacrificial agents. © 2022. The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature.

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