Size-controlled synthesis of alginate-stabilized Cu2O@Cu nanoparticles: effect of stabilizer agent concentration on particle size

Le Nghiem Anh Tuan; Doan Thi Bich Ngoc; Tran Phuoc Tho; Nguyen Hong Nhung; Bui Duy Du

doi:10.51316/jca.2021.098

Authors

Le Nghiem Anh Tuan Institute of Applied Materials Science, Vietnam Academy of Science and Technology, Ho Chi Minh City, VIETNAM | Graduate University of Science and Technology, Vietnam Academy of Science and Technology, Hanoi, VIETNAM
Doan Thi Bich Ngoc Graduate University of Science and Technology, Vietnam Academy of Science and Technology, Hanoi, VIETNAM
Tran Phuoc Tho Graduate University of Science and Technology, Vietnam Academy of Science and Technology, Hanoi, VIETNAM
Nguyen Hong Nhung PetroVietNam Fertilizer and Chemicals Corporation, Ho Chi Minh City, VIETNAM
Bui Duy Du Institute of Applied Materials Science, Vietnam Academy of Science and Technology, Ho Chi Minh City, VIETNAM | Graduate University of Science and Technology, Vietnam Academy of Science and Technology, Hanoi, VIETNAM

DOI:

https://doi.org/10.51316/jca.2021.098

Keywords:

Alginate-stabilized, Cu2O@Cu nanoparticles, alginate concentration

Abstract

Alginate-stabilized Cu₂O@Cu nanoparticles were fabricated by chemical reduction method using nature polymer alginate as a stabilizing agent. Transmission electron microscopy (TEM), X-ray powder diffraction (XRD), infrared (FT-IR) spectrum, and UV-Vis analysis were used to investigate the morphology, size, structure, and stability of the nanoparticles synthesized. The results suggested that concentration of alginate has an effect on particle size of Cu₂O@Cu. The particle size of Cu₂O@Cu decreased when the alginate concentration increased. The 5% alginate-stabilized Cu₂O@Cu nanoparticles have small sizes (5.5±1.6 nm). The first, the as-preprated products formed Cu₂O@Cu₂O core-shell nanoparticles structure and final, it would be converted to Cu₂O@Cu core-shell nanoparticles structure.

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