Synthesis of sub-10 nm copper sulphide rods as high-performance anode for long-cycle life Li-ion batteries

Abstract In this paper, copper sulfide nanoparticles were synthesized by two-phase colloidal method with different reaction temperatures (140, 160, 180 and 200°C). The structural, morphological and optical properties of prepared CuS were analyzed by the X-Ray Diffractometer (XRD), Field Emission Scanning Electron Microscope (FESEM) and UV-VIS Spectrophotometer. The XRD peaks refer to the covellite copper sulfide with hexagonal structure. FESEM showed the rod formation at lower temperatures (140 and 160°C), whereas higher temperatures (180 and 200°C) form nanocrystals within spheres structures. UV-VIS showed that CuS nanoparticles have two absorption peaks, one at UV-VIS region and the second at NIR region and its energy gap decrease with increasing of reaction temperature.

Covellite

Copper sulfide

Diffractometer

Field emission microscopy

Hexagonal phase

10.1088/1742-6596/1795/1/012046

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Photocorrosion of copper sulfides: Toward a solar mining industry

Solar Energy (2018)

Orlando Yepsen Jorge Yáñez Héctor D. Mansilla

Covellite

Chalcocite

Copper sulfide

Sulfide Minerals

Cuprite

Bornite

10.1016/j.solener.2018.06.049

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Citations (35)

Bioleaching of different copper sulfides by Acidithiobacillus ferrooxidans and its adsorption on minerals

Hydrometallurgy (2013)

Yingbo Dong Hai Lin Xiaofang Xu Shanshan Zhou

Covellite

Bornite

Copper extraction techniques

Copper sulfide

Chalcocite

Sulfide Minerals

Malachite

Hydrometallurgy

10.1016/j.hydromet.2013.05.009

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Citations (35)

Controlled-synthesis of Copper Sulfide Nanocrystallites by a Single-source Precursor Solvothermal Decomposition Process

Journal of Huaibei Coal Industry Teachers College (2007)

Dai Jian-ming

A simple single-source precursor solvothermal decomposition process has been proposed to the synthesis and assembly of copper sulfide nanocrystals with different morphologies and phases at 150 ℃or 180 ℃.The single-source precursor Cu(S2CN(C2H5)2)2 can decompose to produce covellite phase CuS and digenite phase Cu1.8S by variation of enthylenediamine(en) amount.Covellite phase CuS with different morphologies,such as rod-,sphere-,and flake-like,was prepared in different solvents.The influence of solvent and temperature was investigated.XRD and TEM were used to determine the compositions and morphologies of the products.The absorption spectra were examined on a UV-vis spectrophotometer at room temperature.

Covellite

Copper sulfide

Solvothermal synthesis

Source

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Surfactant involved in Copper Sulfide Nanocrystallites Synthesis

Revista de Chimie (2009)

Claudia Maria Simonescu V. S. Teodorescu Camelia Căpăţînă

This paper presents the obtaining of copper sulfide CuS (covelite) from Cu(CH3COO)2.H2O and thioacetamide (TAA) system. The reaction was conducted in presence or absence of sodium-bis(2-ethylhexyl) sulfosuccinate (Na-AOT). The effects of various reaction parameters on the size and on the shape of nanoparticles have been examined. CuS obtained was characterized by X ray diffraction, IR spectroscopy, TEM � transmission electron microscopy and SAED selected area electron diffraction. The influence of surfactant to the shape and size of CuS (covellite) nanocrystals was established. The size of the nanocrystals varied from 10-60 nm depending on the reaction conditions such as quantity of surfactant.

Selected area diffraction

Covellite

Copper sulfide

Thioacetamide

Malachite

10.37358/rc.08.12.2054

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Citations (2)

Covellite CuS as a matrix for “invisible” gold: X-ray spectroscopic study of the chemical state of Cu and Au in synthetic minerals

Geochimica et Cosmochimica Acta (2016)

Б. Р. Тагиров Alexander L. Trigub Kristina O. Kvashnina A. A. Shiryaev Д. А. Чареев

Covellite