Copper(II) acetate monohydrate

Catalog Number	ACEP6046931
CAS Number	6046-93-1
Molecular Formula	Cu(OAc)2·H2O

Case Study

Copper Acetate Monohydrate for the Electrochemical Deposition of Copper(I) Oxide (Cu₂O) Thin Films

Rahal, Hassiba, et al. Chinese journal of chemical engineering 26.2 (2018): 421-427.

Copper(I) oxide (Cu₂O) thin films were grown on ITO-coated glass substrates by electrochemical deposition in copper acetate aqueous solutions with the addition of sodium thiosulfate at 60°C.
Preparation and Characterization of Cu₂O Thin Films
A three-electrode electrochemical cell was used for the electrochemical deposition of Cu₂O thin films, with platinum (Pt) wire as the counter electrode and indium tin oxide (ITO) coated glass (8-10 Ω·square⁻¹) as the working electrode. All experiments were carried out using a saturated calomel electrode (SCE) as the reference electrode. Prior to deposition, the substrates were sonicated in acetone and ethanol, followed by rinsing in distilled water for 7 minutes. The Cu₂O thin films were electrodeposited at 60°C in an aqueous solution containing 0.01 mol·L⁻¹ copper acetate monohydrate (Cu(C₂H₃O₂)₂·H₂O), 0.1 mol·L⁻¹ sodium acetate trihydrate (CH₃COONa·3H₂O), and 1.2 mmol·L⁻¹ sodium thiosulfate pentahydrate (Na₂S₂O₃·5H₂O). The pH of the solution was adjusted to 6.2 using acetic acid (CH₃COOH), and sodium thiosulfate was used to stabilize the Cu²⁺ ions in the solution.

Copper(II) Acetate Monohydrate for the Preparation of n-Type Cu₂O Thin Films

Mohamad, Fariza, et al. Materials Science Forum. Vol. 890. Trans Tech Publications Ltd., 2017.

This experiment involves the preparation of n-type Cu₂O thin films on fluorine-doped tin oxide (FTO) glass substrates through potentiostatic electrodeposition using copper acetate-based solutions.
The film preparation process consists of several steps, including solution preparation, substrate preparation, electrochemical deposition, and characterization. For solution preparation, copper(II) acetate monohydrate, lactic acid, and deionized water are added to a beaker to form the copper acetate-based solution. The solution is continuously stirred, and potassium hydroxide (KOH) is added to increase the pH until it reaches 6.3.
Next, the FTO substrates are sonicated and cut into 2.5 cm x 1.0 cm pieces for substrate preparation. Polyimide tape is used for masking, with a deposition area of 1 cm x 1 cm, and properly adhered to the FTO glass substrate. Afterward, the polarization process is performed.
In the electrochemical deposition method, a three-electrode system is employed, with the FTO glass substrate serving as the working electrode (WE), a platinum (Pt) sheet as the counter electrode (CE), and silver/silver chloride (Ag/AgCl) as the reference electrode (RE). The copper acetate-based solution is heated to 60°C, and the deposition potential is set at -0.125V vs Ag/AgCl. Deposition times range from 20 to 40 minutes, and the growth mechanism of the n-type Cu₂O thin films is observed.

Synthesis of Cu₂O/TNAs Using Copper(II) Acetate Monohydrate as a Precursor

Chen, Chia-Hung, and Yen-Ping Peng. Chemosphere 286 (2022): 131608.

In this study, copper(II) acetate monohydrate was used as a precursor, and the square wave voltammetry electrodeposition (SWVE) method was successfully employed to synthesize copper(I) oxide (Cu₂O)-modified titania nanotube arrays (Cu₂O/TNAs), which form a p-n type heterojunction photocatalyst.
Synthesis of Cu₂O/TNAs
Titania nanotube arrays (TNAs) were synthesized using the anodic oxidation method, as described in our previous research. Cu₂O nanoparticle (NP)-modified TNAs were synthesized using the SWVE method, with copper(II) acetate monohydrate (Cu(Cu₃COO)2·H₂O) as the copper precursor and anhydrous sodium acetate as the material. A mixed solution of 0.0015 M Cu(Cu₃COO)₂·H₂O and 0.1 M CH₃COONa was prepared, using 0.5 M CH₃COOH as the electrolyte, and the pH was adjusted to 5.70. The prepared TNAs were immersed in the electrolyte and stirred for 30 minutes. In the SWVE method, the TNAs served as the working electrode, a platinum (Pt) wire as the counter electrode, and an Ag/AgCl electrode as the reference electrode. The initial applied potential was -1.0 V, the final potential was 0.0 V, with an amplitude of 5 mV and a frequency of 5 Hz.

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