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g-C3N4/Ca2Fe2O5 heterostructures for enhanced photocatalytic degradation of organic effluents under sunlight.
Vavilapalli, Durga Sankar; Peri, Raja Gopal; Sharma, R K; Goutam, U K; Muthuraaman, B; Ramachandra Rao, M S; Singh, Shubra.
Afiliación
  • Vavilapalli DS; Crystal Growth Centre, Anna University, Chennai, 600025, India.
  • Peri RG; Department of Energy, University of Madras, Chennai, 600025, India.
  • Sharma RK; Technical Physics Division, Bhabha Atomic Research Centre, Mumbai, 400085, India.
  • Goutam UK; Technical Physics Division, Bhabha Atomic Research Centre, Mumbai, 400085, India.
  • Muthuraaman B; Department of Energy, University of Madras, Chennai, 600025, India.
  • Ramachandra Rao MS; Nano Functional Materials Technology Centre and Department of Physics, Indian Institute of Technology Madras, Chennai, 600036, India.
  • Singh S; Crystal Growth Centre, Anna University, Chennai, 600025, India. shubra6@gmail.com.
Sci Rep ; 11(1): 19639, 2021 Oct 04.
Article en En | MEDLINE | ID: mdl-34608208
g-C3N4/Ca2Fe2O5 heterostructures were successfully prepared by incorporating g-C3N4 into Ca2Fe2O5 (CFO). As prepared g-C3N4/CFO heterostructures were initially utilized to photodegrade organic effluent Methylene blue (MB) for optimization of photodegradation performance. 50% g-C3N4 content in CFO composition showed an enhanced photodegradation efficiency (~ 96%) over g-C3N4 (48.15%) and CFO (81.9%) due to mitigation of recombination of photogenerated charge carriers by Type-II heterojunction. The optimized composition of heterostructure was further tested for degradation of Bisphenol-A (BPA) under direct sunlight, exhibiting enhanced photodegradation efficiency of about 63.1% over g-C3N4 (17%) and CFO (45.1%). The photoelectrochemical studies at various potentials with and without light illumination showed significant improvement in photocurrent response for g-C3N4/Ca2Fe2O5 heterostructures (~ 1.9 mA) over CFO (~ 67.4 µA). These studies revealed efficient solar energy harvesting ability of g-C3N4/Ca2Fe2O5 heterostructures to be utilized for organic effluent treatment.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Sci Rep Año: 2021 Tipo del documento: Article País de afiliación: India Pais de publicación: Reino Unido
Texto completo
Añadir a Mi BVS
Imprimir
XML
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Sci Rep Año: 2021 Tipo del documento: Article País de afiliación: India Pais de publicación: Reino Unido