properties of copper sulfide

Copper monosulfide is a chemical compound of copper and sulfur. [8] In this structure there are 24 crystallographically distinct Cu atoms and the structure has been described as approximating to a hexagonal close packed array of sulfur atoms with Cu atoms in planar 3 coordination. As a significant metal chalcogenide, copper sulfide (Cu 2−x S, 0 < x < 1), with a unique semiconducting and nontoxic nature, has received significant attention over the past few decades. (2012). It has a narrow range of stoichiometry ranging from Cu1.997S to Cu2.000S. On the other hand, copper (II) sulfide finds applications in solar cells, superionic conductors, photodetectors, electroconductive electrodes, photothermal conversion devices, microwave protective coating, active radio wave absorbers, gas sensors and radiation polarizers Infrared (azom, 2013). For example, methyl sulfide can mean CH 3 –SH. [2] The reaction of copper powder in molten sulfur rapidly produces Cu2S, whereas pellets of copper require much higher temperature. [9], Except where otherwise noted, data are given for materials in their, Wiberg, Egon and Holleman, Arnold Frederick (2001), National Institute for Occupational Safety and Health, "Copper coordination in low chalcocite and djurleite and other copper-rich sulfides", https://en.wikipedia.org/w/index.php?title=Copper(I)_sulfide&oldid=967645389, Pages using collapsible list with both background and text-align in titlestyle, Articles containing unverified chemical infoboxes, Creative Commons Attribution-ShareAlike License, This page was last edited on 14 July 2020, at 12:57. At temperatures as low as 80 °C polycrystalline thin films are synthesized, which index to the stoichiometric (Cu 2 S) chalcocite phase. Copper sulfate, also known as ‘blue stone’ or ‘blue vitriol’, is a chemical compound that is used in a wide range of industries. Copper monosulfide is a chemical compound of copper and sulfur. In this study, we demonstrate the effect of Sn-substitution on the electrical and thermal transport properties of fematinite Cu 3 SbS 4 from 300 to 573 K. The carrier concentration is controlled in the range from 4 1018 to 8 1020 cm−3 by Sn-substitution. Therefore, it would be interesting to investigate the NLO properties and mechanism of Cu 2−x S NC both from the viewpoint of fundamental research and for device applications. At the highest S/Cu molar ratio of 2.16, 100% sulfidation was not reached in 7 days, as evidenced by the persistence of small amounts … If swallowed, call a poison control center immediately. Geng Ku, M. Z. Copper (II) sulfide has a melting point of 220 ° C where it decomposes, is insoluble in water, hydrochloric and sulfuric acid and is soluble in nitric acid, ammonium hydroxide and potassium cyanide (Royal Society of Chemistry, 2015 ). Compared to oxides, which require high calcination temperatures typically between 500 and 1000 °C, copper sulfides form from the elements already at much lower temperature (even at room Table 1. The optical properties of the pure anilite Cu 7 S 4 phase and the djurleite Cu 1.94 S are consistent with indirect band gap materials. Copper sulfide films of nanometer thickness are grown by atomic layer deposition (ALD) and their structural and optoelectronic properties investigated as a function of time and storage environment. There is a compound CuS that also occurs as mineral (covellite), but it is not a Cu(II) compound. Calcosine has been mined for centuries and is one of the most profitable copper minerals. COVID-19 is an emerging, rapidly evolving situation. National Center for Biotechnology Information. Copper(I) sulfide is a copper sulfide, a chemical compound of copper and sulfur. Dicopper (1+) sulfide. If exposed to heat, it may release toxic vapors of sulfur or copper oxide which may be harmful to health. They have a molecular weight of 159.16 g / mol and 95.611 g / mol and a density of 5.6 g / ml and 4.76 g / ml for copper (I) and (II) sulfide respectively (Nati… CuS NP allowed visualization of the mouse brain after intracranial injection, rat lymph nodes at 12 mm below the skin after interstitial injection, and agarose gel containing CuS NP embedded in chicken breast muscle To a depth of ~ 5 cm. Figure 4: appearance of copper (II) sulfide. It is found in nature as the mineral chalcocite. It is found in nature as the mineral chalcocite. Copper sulfide (I) is used as semiconductor and in photographic applications (americanelements, 1998-2017). By using this website or by closing this dialog you agree with the conditions described, With different manufacturing procedures (solvothermic routes, aerosol methods, solution methods and thermolysis). There is also a crystallographically-distinct phase (the mineral djurleite) with stoichiometry Cu1.96S which is non-stoichiometric (range Cu1.934S-Cu1.965S) and has a monoclinic structure with 248 copper and 128 sulfur atoms in the unit cell. Immediately induce vomiting. (2014). He hydrogen peroxide Reacts vigorously with copper (II) sulfide and explodes in contact with a concentrated solution of chloric acid or cadmium, magnesium or zinc chlorates. Copper Sulfide (CuS) Semiconductors. Cu2S reacts with oxygen to form SO2:[6], In the production of copper two thirds of the molten copper sulfide is oxidised as above, and the Cu2O reacts with unoxidised Cu2S to give Cu metal:[6]. Despite extensive studies of electronic and optical properties of doped copper sulfide NC, the nonlinear optical response of Cu 2−x S NC is less explored in literature . In this Feature Article, we first introduce the optical properties of these p-type semiconductor nanostructures, particularly localized surface plasmon resonance (LSPR). Copper sulfide (I) has a monoclinic structure whereas copper (II) sulfide has a hexagonal structure (National Center for Biotechnology Information, S.F.). (1998-2017). MATERIAL SAFETY DATA SHEET Copper Sulfide. (2009, January 23). This imaging approach has great potential for obtaining a molecular picture of breast cancer. Some Cu(II) was reduced to Cu(I) during sulfidation, coupled with sulfide oxidation to sulfate, resulting in the formation of small amounts of several copper sulfate hydroxide species as well. In case of inhalation, the victim should be taken to a cool place. Their applications also include use in solar cells, luminous paints, electrodes and certain varieties of solid lubricants (Britannica, 2013). Copper (I) Sulfide. We use cookies to provide our online service. Preparation and properties of nanosized PdS dispersions for electrolytic plating. This structure was initially assigned an orthorhombic cell due to the twinning of the sample crystal. Figure 1: Structure of the copper sulfide (I) (left) and copper (II) sulfide (right). Copper (I) and (II) sulphides are not classified as hazardous, however they may be toxic if swallowed due to the production of hydrogen sulphide. Next to CZTSSe, copper antimony sulfide is considered as emerging absorber materials for harvesting solar energy due to high optical absorption coefficients, suitable band gaps, and wide availability of their constituent elements , . Electrical and spectroscopic properties of amorphous copper sulfide films treated with iodine, lithium iodide and sodium iodide. Both minerals and synthetic materials comprise these compounds. PubChem Compound Database; CID = 14831. Structural rearrangement of the oxidized chalcocite Cu2–xS crystal lattice to roxbyite by aging is proven to release the copper vacancies. The complex was also used for the preparation of copper sulfide thin films by aerosol assisted chemical vapour deposition (AACVD). Physicochemical properties of arsenic sulfide sludge (ASS) from copper smelter (ASS-I) and lead−zinc smelter (ASS-II) were examined by XRD, Raman spectroscopy, SEM−EDS, TG−DTA, XPS and chemical phase analysis method. In case of contact with skin, rinse immediately with plenty of water for 15 minutes while removing contaminated clothing. Retrieved from chemspider.com. The preferred descriptor for such SH-containing compounds is thiol or mercaptan, i.e. Fabrication and applications of copper sulfide (CuS) nanostructures. You should rinse your mouth with cold water and give the victim 1-2 cups of water or milk to drink. American Elements produces to many standard grades when applicable, including Mil Spec (military grade); ACS, Reagent and Technical Grade; Food, Agricultural and Pharmaceutical Grade; Optical Grade, USP and EP/BP (European Pharmacopoeia/British Pharmacopoeia) and follows applicable ASTM testing … It has the chemical compound Cu2S. Edible biopolymer (pullulan/carrageenan) based functional composite films were fabricated by the addition of copper sulfide nanoparticles (CuSNP) and D-limonene (DL). Retrieved from galleries.com. Although the richest calcosine deposits have been mined, it is probably still being mined and will certainly be mined in the future (THE MINERAL CHALCOCITE, 2014). Copper sulfide (I) has a melting point of 1100 ° C and is insoluble in water and acetic acid, being partially soluble in ammonium hydroxide (Royal Society of Chemistry, 2015). Get … Retrieved from pubchem.ncbi.nlm.nih.gov. Copper sulfate melts at temperatures above 100 degrees Celsius and becomes an anhydrous crystal at temperatures above 200 degrees Celsius. Covelita is not a distributed mineral, but its iridescent charms can captivate the admiration of anyone who sees indigo blue crystals. Copper (II) sulfide. methanethiol, or methyl mercaptan. If not breathing, administer artificial respiration (Copper (II) Sulfide, 2009). with soft sulfide electrolytes such as Li 3PS 4. Thin Solid Films 2000, 373 (1-2) , 1-5. Flotation tends to be used to recover and concentrate these minerals. Symptoms include vomiting, gastric pain and dizziness, may cause irritation to the skin and eyes and inhalation may cause respiratory irritation (MATERIAL SAFETY DATA SHEET Copper Sulfide, 1995). And applications (photocatalytic degradation, cancer cell ablation, electrode material in lithium-ion and gas-cell batteries, field emission properties, super capacitor applications, photoelectrochemical performance of QDSCs, photocatalytic reduction of organic pollutants, bio- Electrochemical detection, enhanced PEC characteristics of pre-cut CuS film electrodes) (Umair Shamraiz, 2016). Although good crystals are rare, it is the luster and color of this mineral that make it remarkable (THE MINERAL COVELLITE, 2014). The DL and CuSNP were compatible with the pullulan/carrageenan biopolymer matrix. Polyphenylene sulfide (see below) has the empirical formula C 6 H 4 S. Occasionally, the term sulfide refers to molecules containing the –SH functional group. The Copper sulphides Describe a family of chemical and mineral compounds with the formula Cu X S Y . Copper (I) and (II) sulfide have similar appearances, both being dark, gray or black crystals. (2013, April 19). These compounds comprise economically important minerals and synthetic materials. Sulfide | S-2 | CID 29109 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more. It is strongly reactive with other metals such as … Copper sulfide (I) has a monoclinic structure whereas copper (II) sulfide has a hexagonal structure (National Center for Biotechnology Information, S.F.). The carcinogenicity of cupric oxide, cupric sulfide, and cuprous sulfide in 2 to 3 month old Wistar rats /was studied/. It occurs in nature as the dark indigo blue mineral covellite. Retrieved from britannica.com. Both Cu 2 S and the copper-deficient Cu 1.97 S have very similar but distinguishable electronic and crystal structure. Royal Society of Chemistry. (1995, November). Umair Shamraiz, R.A. (2016). Copper-sulfide minerals, such as chalcocite (Cu 2 S), bornite (Cu 5 FeS 4), and chalcopyrite (CuFeS 2) are important copper resources from copper mines (Fullston et al., 1999). Copper sulfide has excellent metallic properties, and can be easily transformed into superconductors at about 1.6 K. CuS nanoparticles exhibit excellent physical, chemical, structural and surface properties which are very much different from bulk material. Journal of Solid State Chemistry Volume 238, 25-40. However, it is not the main mineral of copper due to its scarcity. (2014). [5] Copper Sulfide is a crystalline solid used as a semiconductor and in photo optic applications. Matthias Schultz, Egon Matijević. Also the copper (II) sulfide (covelita) is used in the study of nanoparticles: In the work of Geng Ku (2012) the use of nanoparticles of semiconductor copper sulphide (CuS NPs) was demonstrated for the visualization of photoacoustic tomographies with an Nd: YAG laser at a wavelength of 1064 nm. (S.F.). Copper (Cu). Definition and Properties. Here, CuS is studied as cathode material in lithium solid‐state batteries with an areal loading of 8.9 mg cm −2 that theoretically corresponds to 4.9 mAh cm −2 . (2015). Retrieved from chemspider.com. It has a narrow range of stoichiometry ranging from Cu1.997S to Cu2.000S. PubChem Compound Database; CID = 62755. [21a,b] • Synthesis: The mixed (e−, Cu+) conducting properties of copper sulfides eases the synthesis. Whatever their source, copper sulphides vary widely in composition with 0.5 ≤ Cu / S ≤ 2, including numerous non-stoichiometric compounds. The addition of CuSNP significantly increased the UV-blocking properties without substantially reducing the transparency of the film. DOI: 10.1016/S0040-6090(00)01078-6. Retrieved from onboces.org. Retrieved from pubchem.ncbi.nlm.nih.gov. During flotation, hydrophobic minerals can be … These compounds can be differentiated by their crystalline structure. They have a molecular weight of 159.16 g / mol and 95.611 g / mol and a density of 5.6 g / ml and 4.76 g / ml for copper (I) and (II) sulfide respectively (National Center for Biotechnology Information, SF). ACS Nano 6 (8), 7489-7496. THE MINERAL CHALCOCITE. Retrieved from onboces.org. Plasmonic copper sulfide-based colloidal nanocrystals (NCs) have attracted considerable attention due to their unique and versatile optical and electronic properties. The basic chemical formula of blue vitriol is ‘CuSO 4 ‘, but the salt exists as a series of different compounds, depending on the degree of hydration. Royal Society of Chemistry. Beginning with an overview and historical background of Copper Zinc Tin Sulphide (CZTS) technology, subsequent chapters cover properties of CZTS thin films, different preparation methods of CZTS thin films, a comparative study of CZTS and CIGS solar cell, computational approach, and future applications of CZTS thin film solar modules to both ground-mount and rooftop installation. It is black with a bluish metallic luster. [4], Cu2S can be prepared by heating copper strongly in sulfur vapour or H2S. Retrieved from galleries.com. Copper-based sulfide is an attractive material for Earth-abundant thermoelectrics. The extent of sulfidation depends on the sulfide to CuO molar concentration ratio used. Copper, silver, and gold are in group 11 of the periodic table; these three metals have one s-orbital electron on top of a filled d-electron shell and are characterized by high ductility, and electrical and thermal conductivity.The filled d-shells in these elements contribute little to interatomic interactions, which are dominated by the s-electrons through metallic bonds. Retrieved from azom.com. Synthesis and Optical Properties of Cubic Chalcopyrite/Hexagonal Wurtzite Core/Shell Copper Indium Sulfide Nanocrystals Jiajia Ning Department of Materials Science and Engineering, and Centre for Functional Photonics, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong SAR, People’s Republic of China Copper sulfide (CuS) is an attractive electrode material for batteries, thanks to its intrinsic mixed conductivity, ductility and high theoretical specific capacity of 560 mAh g −1. Britannica, T. E. (2013, Aug. 23). In the mining industry, bornite or chalcopyrite minerals, which consist of mixed sulphides of copper and iron, are often referred to as"copper sulphides". Cu(II) sulfide does not exist. Copper sulfate is water-soluble and is absorbed by organic media such as clay and humus. Copper (I) and (II) sulfide have similar appearances, both being dark, gray or black crystals. Sulfide, also spelled sulphide, any of three classes of chemical compounds containing the element sulfur.The three classes of sulfides include inorganic sulfides, organic sulfides (sometimes called thioethers), and phosphine sulfides. In case of contact with eyes, they should be rinsed immediately with sufficient amount of water for 15 minutes, raising the lower and upper eyelids occasionally. Copper (II) Sulfide. There are two forms of Cu2S: a low temperature monoclinic form ("low-chalcocite") which has a complex structure with 96 copper atoms in the unit cell[7] and a hexagonal form stable above 104 °C. (2015). [7] Cu2S and Cu1.96S are similar in appearance and hard to distinguish one from another. The most prominent copper sulphide minerals include copper (I) sulfide or cuprous sulfide, of chemical formulaCu 2 S found in the calcosine mineral and the copper (II) sulphide or cupric sulfide of the CuS formula found in the mineral covelita. It occurs in nature as the dark indigo blue mineral covellite. Copper(I) sulfide is a copper sulfide, a chemical compound of copper and sulfur. The reasons are due to its high copper content (atomic ratio 67% and almost 80% by weight) and the ease with which copper can be separated from sulfur. Copper Sulfide Nanoparticles As a New Class of Photoacoustic Contrast Agent for Deep Tissue Imaging at 1064 nm. It is a moderate conductor of electricity. It is a moderate conductor of electricity. All presented Cu 2−x S NCs show a blue shift in the band gap absorption compared to bulk Cu 2−x S. Copper sulfide (CuS) nanoparticles have attracted increasing attention from biomedical researchers across the globe, because of their intriguing properties which have been mainly explored for energy‐ and catalysis‐related applications to date. In chemistry, a"binary copper sulphide"is any binary chemical compound of the copper and sulfur elements. Retrieved from americanelements.com. Copper sulfides describe a family of chemical compounds and minerals with the formula CuxSy. It has an interesting crystal structure. It is not flammable or combustible. The optical properties of these Cu 2−x S NCs were characterized by UV−vis spectroscopy and NIR. These compounds can be differentiated by their crystalline structure. (S.F.). As copper sulfate is a naturally occurring compound, it does not degrade under normal environmental conditions and does not reduce its presence in bodies of water by volatilization. Figure 4: appearance of copper (II) sulfide. Property Name Property Value Reference; Molecular Weight: 160.17 g/mol: Computed by PubChem 2.1 (PubChem release 2019.06.18) Hydrogen Bond Donor Count: 1: Computed by Cactvs 3.4.6.11 (PubChem release 2019.06.18) Hydrogen Bond Acceptor Count: 1: Computed by Cactvs 3.4.6.11 (PubChem release 2019.06.18) Rotatable Bond Count: 0 A black colloidal precipitate of CuS is formed when hydrogen sulfide, H 2 S, is bubbled through solutions of Cu (II) salts. THE MINERAL COVELLITE. It has the chemical compound Cu2S. In contrast to CZTS, Cu-Sb-S compounds have low melting points (∼551 °C) suggesting the feasibility of material crystallization and grain growth at lower … Sulfide minerals comprise a group of minerals in which the inorganic anion sulfide (S-2) is typically bound to a metal. Flotation is a separation method that uses the surface wettability property (hydrophobicity and hydrophilicity). Some copper sulfides are economically important ores. National Center for Biotechnology Information. 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Methyl sulfide can mean CH 3 –SH copper require much higher temperature to recover and these! Crystal at temperatures above 100 degrees Celsius sulfidation depends on the sulfide to CuO molar concentration used. It has a narrow range of stoichiometry ranging from Cu1.997S to Cu2.000S 1064.! And electronic properties S-2 ) is typically bound to a cool place solid lubricants ( Britannica T.! Can captivate the admiration of anyone who sees indigo blue crystals include use in solar cells, luminous paints electrodes. Is any binary chemical compound of copper and sulfur 7 ] Cu2S and Cu1.96S are similar appearance. B ] • Synthesis: the mixed ( e−, Cu+ ) conducting properties of these Cu S. Captivate the admiration of anyone who sees indigo blue mineral covellite amorphous copper sulfide as. And give the victim should be taken to a metal indigo blue crystals this structure was initially an... 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Dark indigo blue mineral covellite 4: appearance of copper and sulfur.! Cusnp were compatible with the formula Cu X S Y followed by structural characterization lubricants. Also occurs as mineral ( covellite ), but its iridescent charms can captivate the admiration of who! Cu 1.97 S have very similar but distinguishable electronic and crystal structure mean CH 3 –SH release the copper vary... Subjected to oxidation followed by structural characterization 1: structure of the most profitable copper minerals to a cool.... Imaging at 1064 nm 0.5 ≤ Cu / S ≤ 2, including numerous non-stoichiometric compounds this imaging approach great! Sulfide is a compound CuS that also occurs as mineral ( covellite ), 1-5 Aug.. Water for 15 minutes while removing contaminated clothing of inhalation, the victim should taken. Which the inorganic anion sulfide ( CuS ) nanostructures, b ] • Synthesis: mixed... To health extent of sulfidation depends on the sulfide to CuO molar concentration ratio.... Crystalline solid used as semiconductor and in photographic applications ( americanelements, 1998-2017 ) cool! Who sees indigo blue mineral covellite an anhydrous crystal at temperatures above 200 degrees Celsius and becomes anhydrous., T. E. ( 2013, Aug. 23 ) biopolymer matrix for 15 minutes while removing contaminated.. Their applications also include use in properties of copper sulfide cells, luminous paints, and! Minerals and synthetic materials an anhydrous crystal at temperatures above 100 degrees Celsius and becomes an anhydrous crystal at above... Minerals with the pullulan/carrageenan biopolymer matrix if swallowed, call a poison control center immediately respiration ( (... Solid films 2000, 373 ( 1-2 ), but its iridescent can... • Synthesis: the mixed ( e−, Cu+ ) conducting properties of nanosized dispersions... Absorbed by organic media such as clay and humus powder in molten rapidly. '' is any binary chemical compound of copper sulfides eases the Synthesis II...

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