Synthesis of Nano CuO by Polymeric Precursor Method and its Low Temperature Reduction to Stable Copper Nanoparticles

Abstract

CuO nanoparticles showing different morphologies were prepared by polymeric precursor method using three different copper sources: basic copper carbonate, copper nitrate and copper hydroxide. The decomposition temperature of the precursors varies from 200 C to 400 C. The effect of the concentration of the polymeric additive was studied. The CuO nanopowder was reduced to metallic copper at low temperature using hydrazine hydrate as a reducing agent. The oxide was treated with the reducing agent in two forms: (1) as dispersion in 0.1% PVA (dispersion method) (2) as slurry with 0.1% PVA applied on a glass plate (plate method). The maroon copper metal nanofluid achieved in dispersion method was stable for six months and the copper nanopowder obtained from the plate method showed stability for more than six months. The precursor, CuO and Cu nanomaterials were characterized by powder XRD, FT-IR, TGA, SEM and TEM techniques.

Utilizing Cyclic Voltammetry to Understand the Energy Storage Mechanisms for Copper Oxide and its Graphene Oxide Hybrids as Lithium‐Ion Battery Anodes

“…05 0661) described by the space group C 2/ c . The presence of small amounts (<5 % determined via extended calcination) of Cu 2 (OH) 2 CO 3 is apparent in samples Cu‐1 and Cu‐4, based on the reflections seen at 2 θ =15°, 18°, 24°, and 31° . Although undesirable, this material is expected to show similar chemistry to CuO, with respect to lithiation.…”

“…The presence of small amounts (< 5% determinedv ia extended calcination) of Cu 2 (OH) 2 CO 3 is apparent in samples Cu-1a nd Cu-4, based on the reflectionss een at 2q = 158,1 8 8,2 4 8, and 318. [17] Although undesirable, this material is expectedt o show similar chemistry to CuO, with respectt ol ithiation. We note that previousliterature has described the use of transition metal carbonates an anode material.…”

Development and Characterization of Carbon‐Based Adsorbents Derived from Agricultural Wastes and Their Effectiveness in Adsorption of Heavy Metals in Waste Water

“…e batch adsorption tests were conducted by preparing standardized solutions of lead nitrate, Pb (NO 3 ) 2 [16].…”

Investigation of Mechanical and Thermal Properties on Novel Wheat Straw and PAN Fibre Hybrid Green Composites

“…e triple-layer hybrid composites use almond and kenaf fibres with epoxy resin as a matrix [41]. Two kinds of triple layer composites were fabricated using the hand lay-up method, where fibres are laid in order as kenaf/almond/ kenaf and almond/kenaf/almond.…”