Portal de Periódicos da CAPES

Growth Mechanism and Application of Nanostructures Fabricated by a Copper Sulfate Solution Containing Boric Acid

2016; Institute of Physics; Volume: 163; Issue: 8 Linguagem: Inglês

10.1149/2.0691608jes

1945-7111

Jae Min Lee, Kyung Kuk Jung, Jong Soo Ko,

Electrohydrodynamics and Fluid Dynamics

In this research, a nanostructured copper surface was fabricated using a CuSO4·5H2O solution containing boric acid. Cu and Cu2O structures simultaneously formed when the electrodeposition was performed using the CuSO4·5H2O solution. The Cu deposition ratio increased when the concentration of CuSO4·5H2O decreased or the applied current density increased. In contrast, the Cu2O deposition ratio increased when the concentration of CuSO4·5H2O increased or the applied current density decreased. A nanoplate-type Cu structure or octahedral Cu2O structure formed when boric acid was added to the CuSO4·5H2O solution. When the concentration of the added boric acid was 2.0 M and the applied current density was above 70 mA/cm2, high-density nanoplates or dendrite structures were formed. In addition, the fabricated samples showed superhydrophobic properties under these conditions after hydrophobic layer coating. The proposed copper electrodeposition methods can be applied to various industrial fields that require metal nanostructures.