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Catalytic Activities of Green Synthesized Silver, Gold and Bimetallic (Ag-Au) Nanoparticles


Affiliations
1 Department of Physics, Panjab University Chandigarh-160 014, India
2 Department of Biophysics, Post Graduate Institute of Medical Education and Research, Chandigarh-160 012, India
3 Centre for Medical Physics, Panjab University, Chandigarh-160014, India
 

Bimetallic (Ag-Au/Au-Ag) nanoparticles have been synthesized using Litchi chinesis leaf extract and characterised using UV-visible spectroscopy, dynamic light scattering (DLS), zeta potential and transmission electron microscopy (TEM). The hydrodynamic size of Ag-Au/Au-Ag NPs are found to be 83 nm/90 nm, respectively, by DLS techinque. The catalytic capability of green synthesised silver, gold and bimetallic(Ag-Au) nanoparticles is described in this study by choosing the degradation of methylene blue, as a model dye.

Keywords

Ag-Au NPs, Au-Ag NPs, Bimetallic, Catalytic Activity, Green Synthesis, Methylene Blue Degradation.
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  • Catalytic Activities of Green Synthesized Silver, Gold and Bimetallic (Ag-Au) Nanoparticles

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Authors

Ramanjeet Kaur
Department of Physics, Panjab University Chandigarh-160 014, India
Pramod K. Avti
Department of Biophysics, Post Graduate Institute of Medical Education and Research, Chandigarh-160 012, India
Vivek Kumar
Centre for Medical Physics, Panjab University, Chandigarh-160014, India
Rajesh Kumar
Department of Physics, Panjab University Chandigarh-160 014, India

Abstract


Bimetallic (Ag-Au/Au-Ag) nanoparticles have been synthesized using Litchi chinesis leaf extract and characterised using UV-visible spectroscopy, dynamic light scattering (DLS), zeta potential and transmission electron microscopy (TEM). The hydrodynamic size of Ag-Au/Au-Ag NPs are found to be 83 nm/90 nm, respectively, by DLS techinque. The catalytic capability of green synthesised silver, gold and bimetallic(Ag-Au) nanoparticles is described in this study by choosing the degradation of methylene blue, as a model dye.

Keywords


Ag-Au NPs, Au-Ag NPs, Bimetallic, Catalytic Activity, Green Synthesis, Methylene Blue Degradation.

References