Preparation and characterization of a novel spherical cellulose–copper(II) oxide composite particles: as a heterogeneous catalyst for the click reaction

In this research, the cellulose–copper(II) oxide composite particles were provided by a novel and simple approach using Schweizer’s reagent via dialysis method at ambient temperature. The prepared particles are spherical in shape and uniform in size with average diameters of approximately 500 nm that have a good dispersion in water. These particles were characterized by means of X-ray diffraction, scanning electron microscopies, transition electron microscopy, energy-dispersive X-ray spectroscopy, thermogravimetric analysis, Brunauer–Emmett–Teller analysis and inductively coupled plasma optical emission spectrometry. The performance of the particles was illustrated in the click reaction as a heterogeneous catalyst in water. Graphical abstract