Gram Scale Synthesis of Cuprous Oxide Nanoparticles: Dip Coating on Cellulose Filter Paper, Antibacterial Activity and Comparison with Commonly Available Face Masks

Randhir Rai

School of Interwoven Arts and Science (SIAS), Krea University, Sri City-517646, India

Corresponding author: E-mail:;


Cuprous oxide nanoparticles (Cu2ONPs) were synthesized on a gram scale via bottom-up approach without making use of any hazardous stabilizing agent. The nanoparticles were coated on qualitative cellulose filter paper via dip coating method. UV-Visible spectroscopy, powder X-ray diffraction (PXRD) and electron microscopy were used to characterize synthesized Cu2O NPs and Cu2O NPs coated filter paper (Cu2O NPs-FP). The antibacterial activity of Cu2O NPs-FP was studied against E. coli DH5α and compared with commonly accessible face masks.


Cuprous oxide, Nanoparticles, Filter paper, Disinfecting layers.

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