Sol-gel synthesis of TiO2 on Co3O4-coated sporopollenin exine microcapsules (SECs) and photocatalytic performance of new semiconductor heterojunction material

Yilmaz H. C., ATALAY F., Kaya H., ERDEMOĞLU S.

ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH, cilt.29, sa.52, ss.78620-78636, 2022 (SCI-Expanded) identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 29 Sayı: 52
  • Basım Tarihi: 2022
  • Doi Numarası: 10.1007/s11356-022-21357-w
  • Dergi Adı: ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus, IBZ Online, ABI/INFORM, Aerospace Database, Aqualine, Aquatic Science & Fisheries Abstracts (ASFA), BIOSIS, CAB Abstracts, EMBASE, Environment Index, Geobase, MEDLINE, Pollution Abstracts, Veterinary Science Database, Civil Engineering Abstracts
  • Sayfa Sayıları: ss.78620-78636
  • Anahtar Kelimeler: Cobalt oxide, Sporopollenin exine microcapsules, Cobalt doped titanium oxide, Titanium oxide, Hetero-junction materials, Persistent organic pollutants, Wastewater, Reactive Black 5, DOPED TIO2, DYE DEGRADATION, HOLLOW SPHERES, POLLEN, NANOPARTICLES, ARCHITECTURES, WATER, SIZE
  • İnönü Üniversitesi Adresli: Evet

Özet

In this study, a new approach was developed to prepare mesoporous hybrid TiO2/Co3O4 coated on Juglans sporopollenin exine microcapsules (SECs). TiO2 was synthesized on Co3O4-coated SECs used as substrate, by sol-gel method. The obtained semiconductor/semiconductor hetero-junction hybrid materials were characterized with X-ray diffractometry (XRD), UV-Vis absorption spectroscopy, Raman spectroscopy, scanning electron microscopy (SEM), particle size distribution, specific surface area, and zeta potential measurements. Photocatalytic performances of hybrid materials were tested for Reactive Black 5 dye under both UV and visible light. Equilibrium pH of the solution containing 10 mg/L Reactive Black 5 dye and 0.1% wt/v TiO2/Co3O4 was around 4.7. After irradiation in the solar box, more than 98% of the Reactive Black 5 was photocatalytically degraded within 60 min.