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Green Synthesis of Copper Nanoparticles Using Cotton
Marissa Pérez-Alvarez1, Gregorio Cadenas-Pliego1, Odilia Pérez-Camacho1
1Centro de Investigación en Química Aplicada, Departamento de Síntesis de Polímeros, Saltillo 25294, Coahuila, Mexico.
Polymers
|July 2, 2021
Summary
Green synthesis of cellulose-copper nanoparticles (CCuNP) using cotton fibers offers an eco-friendly and scalable method. This process yields stable copper nanoparticles (CuNP) suitable for various applications.
Area of Science:
- Materials Science
- Nanotechnology
- Green Chemistry
Background:
- Traditional synthesis of copper nanoparticles (CuNP) often involves toxic reducing agents.
- There is a growing need for sustainable and scalable methods for nanoparticle production.
Purpose of the Study:
- To develop an environmentally friendly and cost-effective green synthesis method for copper nanoparticles.
- To utilize cellulose from cotton textile fibers as a reducing and stabilizing agent for CuNP synthesis.
- To characterize the resulting cellulose-copper nanoparticle (CCuNP) nanocomposites.
Main Methods:
- Green synthesis using cotton textile fibers and water as solvent.
- Characterization using X-ray Diffraction (XRD), Thermogravimetric Analysis (TGA), Fourier-Transform Infrared Spectroscopy (FTIR), and Differential Scanning Calorimetry (DSC).
- UV spectroscopy for by-product identification.
Main Results:
- Successfully synthesized stable cellulose-copper nanoparticles (CCuNP) with copper nanoparticle sizes ranging from 13-35 nm.
- Demonstrated homogeneous distribution of CuNPs on textile fibers, creating nanocomposites with varying copper content.
- Observed modifications in cellulose crystallinity and chemical structure at high copper loadings; confirmed CuO nanoparticle formation as a by-product.
Conclusions:
- Cotton cellulose acts as an effective reducing and stabilizing agent for synthesizing stable CuNPs.
- The green synthesis method is scalable, inexpensive, and avoids toxic chemicals.
- The resulting CCuNP nanocomposites exhibit stability and potential for various applications.
