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Optical and morphological characterization of Bi3+ doped zinc oxide and its solar photocatalytic application



  1. Department of Chemistry, Sharadchandra Pawar Mahavidyalaya, Lonand (Shivaji University, Kolhapur), India
  2. Department of Chemistry, K.M.C. College, Khopoli (University of Mumbai), India
  3. Department of Chemistry, Savitribai Phule Pune University (formerly University of Pune), Ganeshkhind, Pune 411007, India


Bi-doped ZnO(BZO) powders of different Bi contents have been synthesized by co- precipitation method and characterized by TG–DTA, XRD, FT Raman, XPS, SEM–EDX, UV–visible and photoluminescence (PL) studies. X-ray diffraction data suggests the hexagonal wurtzite structure for modified ZnO crystallites and the incorporation of Bi3+expands the lattice constants of ZnO, while XPS spectra reveals the presence of Zinc and Bismuth in Zn2+ and Bi3+ oxidation states. The PL spectra suggest more number of oxygen vacancies in Bi-doped ZnO than bare ZnO. The photocatalytic performance of Bi-doped ZnO, compared to bare ZnO was examined by photo degradation (PCD) of Rhodamine 6G (Rh6G) in aqueous media under solar light. It has been found that Bi-doped ZnO showed better solar PCD efficiency than pristine ZnO..


Bi-doped ZnO, Co-precipitation, Sunlight, Photocatalysis, Rhodamine6G.

Submitted at: Feb. 5, 2020
Accepted at: Feb. 15, 2021


BALASO JADHAV, ASHOKRAO PATIL, SATISH PARDESHI, Optical and morphological characterization of Bi3+ doped zinc oxide and its solar photocatalytic application, Journal of Optoelectronics and Advanced Materials Vol. 23, Iss. 1-2, pp. 63-71 (2021)