Synthesis, Characterization And Investigation Of Visible Light Photocatalytic Activity Of C, N Co-doped ZnO  

Atul B. Lavand, Yuvraj S. Malghe*

Department of Chemistry, The Institute of Science, Mumbai 400032, India

Adv. Mater. Lett., 2016, 7 (3), pp 181-186

DOI: 10.5185/amlett.2016.5974

Publication Date (Web): Feb 01, 2016

E-mail: ymalghe@yahoo.com

Graphical Abstract

 

Abstract


Nanosized bare, C and N doped as well as C, N co-doped ZnO nanopowders were prepared using microemulsion method. Synthesized powders were characterized using X-ray diffraction(XRD), Fourier transform infrared spectrophotometer (FTIR), scanning electron microscope (SEM), energy dispersive X-ray spectroscopy (EDX), CHNS analyzer, photoluminescence spectrophotometer and UV-visible spectrophotometer. XRD study shows that C, N co-doped ZnO have hexagonal wurtzite structure. UV-visible spectral study reveals that C and N co-doping improves photo absorption capacity in visible region. Visible light photocatalytic degradation of malachite green was carried out using nanosized bare, C doped and C, N co-doped ZnO. C, N co-doped ZnO exhibits better visible light photocatalytic activity as compared to pure and C doped ZnO.  Also the photocatalyst prepared is stable and can be reused repeatedly. 

Keywords

Visible light, photocatalysis, C, N co-doped ZnO, microemulsion, malachite green.

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