Characterization of synthesized copper oxide nanopowders and their use in nanofluids for enhancement of thermal conductivity

被引：1
|
作者：
Prakash, Ved [1 ]
Diwan, R. K. [1 ]
Niyogi, U. K. [1 ]
机构：
[1] Shriram Inst Ind Res, Delhi, India
来源：
INDIAN JOURNAL OF PURE & APPLIED PHYSICS | 2015年 / 53卷 / 11期
关键词：
CuO nanoparticle; Infrared spectroscopy; X-ray diffraction; Thermal conductivity;
D O I：
暂无
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Three copper oxide nanopowders were synthesized by three different copper precursors, CuSO4.5H(2)O, Cu(NO3)(2).3H(2)O and (CH3COO)C.H2O and characterized by FTIR, X-ray diffraction (XRD), thermal conductivity and cyclic voltammetry. These parameters were compared with the sample of CuO nano-powder procured from Sigma Aldrich. The positions of FTIR and XRD peaks are nearly similar for the synthesized CuO nanopowders as well as Sigma Aldrich CuO nanopowder. Substantial enhancement of thermal conductivity (60%) has been observed in nanofluid prepared from CuO nanopowder obtained from (CH3COO) Cu.H2O precursor. The electrochemical behaviour of acidic solution of all CuO nanopowders indicates Cu2+/0 and Cu0/2+ electrode reaction and irreversible redox nature.
引用
收藏
页码：753 / 758
页数：6
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