metal oleate
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2020 ◽  
Vol 37 (7) ◽  
pp. 1258-1265
Author(s):  
Dongyub Kwak ◽  
Won-Gwang Lim ◽  
Kyuchul Shin ◽  
In Woo Cheong ◽  
Jinwoo Lee ◽  
...  

2019 ◽  
Vol 11 (1) ◽  
Author(s):  
Yingying Cao ◽  
Kaiming Geng ◽  
Hongbo Geng ◽  
Huixiang Ang ◽  
Jie Pei ◽  
...  

Abstract In this manuscript, we have demonstrated the delicate design and synthesis of bimetallic oxides nanoparticles derived from metal–oleate complex embedded in 3D graphene networks (MnO/CoMn2O4 ⊂ GN), as an anode material for lithium ion batteries. The novel synthesis of the MnO/CoMn2O4 ⊂ GN consists of thermal decomposition of metal–oleate complex containing cobalt and manganese metals and oleate ligand, forming bimetallic oxides nanoparticles, followed by a self-assembly route with reduced graphene oxides. The MnO/CoMn2O4 ⊂ GN composite, with a unique architecture of bimetallic oxides nanoparticles encapsulated in 3D graphene networks, rationally integrates several benefits including shortening the diffusion path of Li+ ions, improving electrical conductivity and mitigating volume variation during cycling. Studies show that the electrochemical reaction processes of MnO/CoMn2O4 ⊂ GN electrodes are dominated by the pseudocapacitive behavior, leading to fast Li+ charge/discharge reactions. As a result, the MnO/CoMn2O4 ⊂ GN manifests high initial specific capacity, stable cycling performance, and excellent rate capability.


RSC Advances ◽  
2017 ◽  
Vol 7 (50) ◽  
pp. 31173-31179 ◽  
Author(s):  
Chao Pang ◽  
Ruiqiang Yang ◽  
Amit Singh ◽  
Hanjiao Chen ◽  
Michael K. Bowman ◽  
...  

Anisotropic-shaped CuCr2Se4 nanocrystals have been synthesized by thermal decomposition and reaction of novel mixed metal–oleate complexes with selenium in a high-boiling point organic solvent, trioctylamine.


2016 ◽  
Vol 283 ◽  
pp. 1295-1304 ◽  
Author(s):  
Panpan Hao ◽  
Jun Ren ◽  
Leilei Yang ◽  
Zhifeng Qin ◽  
Jianying Lin ◽  
...  
Keyword(s):  

2015 ◽  
Vol 2015 ◽  
pp. 1-8 ◽  
Author(s):  
Lauren Morrow ◽  
Andrew R. Barron

Ternary Mn-Zn ferrite (MnxZn1-xFe2O4) nanoparticles (NPs) have been prepared by the thermal decomposition of an oleate complex, sodium dodecylbenzenesulfonate (SDBS) mediated hydrazine decomposition of the chloride salts, and triethylene glycol (TREG) mediated thermal decomposition of the metal acetylacetonates. Only the first method was found to facilitate the synthesis of uniform, isolable NPs with the correct Mn : Zn ratio (0.7 : 0.3) as characterized by small angle X-ray scattering (SAXS), transmission electron microscopy (TEM), and inductively coupled plasma-optical emission spectroscopy (ICP-OES). Scaling allowed for retention of the composition and size; however, attempts to prepare Zn-rich ferrites did not result in NP formation. Thermogravimetric analysis (TGA) indicated that the incomplete decomposition of the metal-oleate complexes prior to NP nucleation for Zn-rich compositions is the cause.


2011 ◽  
Vol 332-334 ◽  
pp. 1974-1978 ◽  
Author(s):  
N. Takahashi ◽  
A. Gubarevich ◽  
J. Sakurai ◽  
S. Hata ◽  
T. Tsuge ◽  
...  

The synthesis by thermal decomposition of rare earth doped yttrium oxide nanoparticles was investigated. The elements of the rare earth were europium, which showed strong fluorescence, and erbium, which indicated upconversion properties. Metal-oleate complex was used as a precursor. The results of Scherrer’s equation and SEM indicated that nanoparticles were successfully synthesized. Appropriate thermal decomposition time increased fluorescence intensity of europium activators by completion of thermal decomposition of oleic acid, while too long thermal decomposition time decreased the fluorescent intensity. Fluorescence of erbium activator was observed after annealing, while it was not observed before annealing because of stronger fluorescence of oleylamine.


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