Synthesis of Cu- and Ag-modified flower-like Ni(OH)₂ nanocomposites
Vol. 134 No. 1D (2025), Original Article
Vol. 134 No. 1D (2025)

Synthesis of Cu- and Ag-modified flower-like Ni(OH)₂ nanocomposites

Original Article
https://doi.org/10.26459/hueunijns.v134i1D.8175
Published 2025-12-24
Hung Sinh Vu
University of Education, Hue University, 34 Le Loi St., Hue, Vietnam
Thi Cam Dieu Nguyen
University of Sciences, Hue University, 77 Nguyen Hue St., Hue, Vietnam
Duong Thien Nguyen
School of Hospitality and Tourism - Hue University, Viet Nam
Thi Tuy Ngoc Huynh
University of Sciences, Hue University, 77 Nguyen Hue St., Hue, Vietnam
Dang Giang Chau Nguyen
University of Sciences, Hue University, 77 Nguyen Hue St., Hue, Vietnam
Nguyen Duc Cuong*
School of Hospitality & Tourism - Hue University, Vietnam
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Keywords

nanocomposite
Cu-Ni(OH)2
Ag-Ni(OH)2
flower-like architecture

How to Cite

1.
Vu HS, Nguyen TCD, Nguyen DT, Huynh TTN, Nguyen DGC, Nguyen DC. Synthesis of Cu- and Ag-modified flower-like Ni(OH)₂ nanocomposites. hueuni-jns [Internet]. 2025Dec.24 [cited 2026Feb.5];134(1D):23-31. Available from: https://jos.hueuni.edu.vn/index.php/hujos-ns/article/view/8175
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Abstract

In this report, a simple template-free hydrothermal method was used to synthesise flower-like Ni(OH)2 structures modified with Ag and Cu. The Ni(OH)2 microflowers were formed via the self-assembly of ultrathin nanosheets with a thickness of approximately 2–3 nm. The incorporation of Ag and Cu at appropriate concentrations preserved the three-dimensional flower-like architecture of Ni(OH)2. For the Ag-Ni(OH)2 composite, Ag nanoparticles were uniformly dispersed on the Ni(OH)2 nanosheets. In contrast, no Cu(OH)2 phase was detected in the Cu-Ni(OH)2 composite, likely because of Cu substituting the Ni sites within the Ni(OH)2 lattice. Owing to their unique three-dimensional (3D) flower-like structure, large specific surface area, and enhanced physicochemical properties introduced by metal modification, these materials are potentially suitable for applications in electrochemical sensing, catalysis, and biomedical fields.

https://doi.org/10.26459/hueunijns.v134i1D.8175
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