Synthesis and Characterization of Pure Copper Nanostructures Using Wood Inherent Architecture as a Natural Template

Nanoscale Research Letters

Youming Dong¹  Jianzhang Li¹  Kaili Wang¹  Yi Tan¹  Shifeng Zhang¹  Qingchun Wang²  Hughes Mark³ 

[1] MOE Key Laboratory of Wooden Material Science and Application, Beijing Forestry University;School of Technology, Beijing Forestry University;Wood Material Technology, Department of Bioproducts and Biosystems, School of Chemical Engineering, Aalto University;

关键词: Copper nanoparticles;    Wood template;    Hierarchical structure;    Stability;   

DOI  :  10.1186/s11671-018-2543-0

来源: DOAJ

【 摘 要 】

Abstract The inherent sophisticated structure of wood inspires researchers to use it as a natural template for synthesizing functional nanoparticles. In this study, pure copper nanoparticles were synthesized using poplar wood as a natural inexpensive and renewable template. The crystal structure and morphologies of the copper nanoparticles were characterized by X-ray diffraction and field emission scanning electron microscopy. The optical properties, antibacterial properties, and stability of the hybrid wood materials were also tested. Due to the hierarchical and anisotropic structure and electron-rich components of wood, pure copper nanoparticles with high stability were synthesized with fcc structure and uniform sizes and then assembled into corncob-like copper deposits along the wood cell lumina. The products of nanoparticles depended strongly on the initial OH− concentration. With an increase in OH− concentration, Cu2O gradually decreased and Cu remained. Due to the restrictions inherent in wood structure, the derived Cu nanoparticles showed similar grain size in spite of increased Cu2+ concentration. This combination of Cu nanostructures and wood exhibited remarkable optical and antibacterial properties.

【 授权许可】

Unknown