Through deliberately designed colloidal synthesis, we are able to selectively grow nanoshells comprising copper sulfides of specifically targeted crystalline phases and Cu/S stoichiometries, such as covellite (CuS), digenite (Cu1.8S), and nonstoichiometric Cu2–xS, on the surfaces of Au nanoparticle cores. Mater. Yearbook, 59, 110–120 (1960). Copper sulfides thin films, especially CuS films, have proven to exhibit favorable materials characteristic for solar cells applications. Smart and A.A. Smith, “Effect of P, As, S and Se on Some Properties of High Purity Cu”,Trans. Publ. The X-ray diffraction patterns of the layers showed that peaks of various copper sulfide phases are present in the XRD diagram (see Figure 5). Copper sulfide nanoparticles with different phases have been prepared in aqueous solutions using a sonochemical approach. Krist., 125, 404–413 (1967). (Crys Structure; Experimental), ADS  ized in all phases of copper production. Depos., 7(2), 180–188 (1972);Tscheermaks Miner. Miner. (Crys Structure; Experimental), 64Eli: E. N. Eliseev, L. E. Rudenko, L. A. Sinev, B. L. Koshurinikov, and N. I. Solovov, “Polymorphism of Cu-Sulfides in System Cu2S-Cu1.86S”,Miner. Vol.,39A, 243–263 (1970) quoted in [77Pot]. Phys. Caption. Professor Laughlin is the ASM/NBS Data Program Category Editor for binary copper alloys. Soc. Mineralogical, granulometric, and phase compositions of the copper sulfide concentrate of the Erdenet deposit (Mongolia) have been studied. A. Dumon, A. Lichanot, and S. Gromb, “Study of Cu-S Phase Diagram in Compositional Area Cu2.000S-Cu1.960S”,J. Nauk SSSR, Neorg. Chem., 359, 1–13 (1968). Miner., 47, 1181–1184 (1962). Abh., 93, 87–132 (1959) in German. (Meta Phases; Experimental), 74Bur: B. P. Burylev, N. N. Fedorova, and L. Sh. (Equi Diagram; Experimental), 72Cla: A. H. Clark, “Natural Occurrence of Hexagonal Cu1.83S in Rancagua, Chile”,Nature, 238(86), 123–124 (1972). Res. (Equi Diagram; Compilation), 60Kul2: G. Kullerud and R. A. Yund, “Cu-S System”,Geol. A black colloidal precipitate of CuS is formed when hydrogen sulfide, H2S, is bubbled through solutions of Cu salts. Indicates key paper60Joh: F. Johannsen and H. Vollmer, “Study of Copper-Copper Sulfide System”,Z. Copper Res. (Equi Diagram; Experimental), Indicates key paper47Jen: E. Jensen, “Melting Relations of Chalcocite”,Avhandl. (Crys Structure; Experimental), 61Fre: G. Frenzel, “The Cu Excess of ‘Blue-Remaining’ Covellite”,Neues Jahrb. It has the chemical formula CuFeS 2. (Thermo; Experimental), 51Hir: E. J. Hirahara, “Physical Properties of Cuprous Sulfide Semiconductors”,J. (d-f) HRTEM images of ND groups and individual NDs lying with their shorter axis oriented parallel to the substrate; (g-i) HRTEM images of NDs with their major axis aligned parallel to the substrate, down the <001> zone axis. A black colloidal precipitate of CuS is formed when hydrogen sulfide, H 2 S, is bubbled through solutions of Cu(II) salts. Fac. At 700°C, the sulfide melt will crystallize with a referred to as sulfide oxidation (for changes in metal va- (Cu1+xFe)S2 composition and a Cu/Fe of ∼1; bn bornite, iss interme- lence, we will use the … No metallic copper was observed in the slag. That page needs to be changed to reflect that it is a good overview of the copper sulfide phases and not just about copper(I) sulfide.--Axiosaurus 11:49, 2 March 2008 (UTC) This lemma misrepresents the … When the polyamide sulfured under the same conditions is shortly (few min) treated in a solution of copper(I-II) salt the yarrowite, talnakhite, Cu1.06, and anilite phases are detected, but if treatment in a Cu(I-II) salt solution is prolonged – formation of sulfide phase containing more copper – … Metallhuettenwes., 13, 313–322 (1960) in German. AIME, 191, 235–241 (1951). Soc. (Equi Diagram; Experimental), 62Ros: E. H. Roseboom, “Djurleite, Cu1.96S, a New Mineral”,Am. Bur. Oxidation of acid-volatile sulfide in surface sediments increases the release and toxicity of copper to the benthic amphipod Melita plumulosa. 2 Cu 2 S + 3 O 2 → 2 Cu 2 O + 2 SO 2. Abt., 28, 35–47 (1957) in German. Solids, 31, 247–254 (1970). Copper disulfide is a metallic conductor due to the incomplete occupancy of the sulfur p band. Metall., 4, 181–210 (1969), quoted in [77Pot]. The various phases were identified both by chemical analysis and also by takingX-raydiffraction patterns. Therefore, this group of copper sulfides shows ionic conductivity at slightly elevated temperatures. Kl., 6, 1–14 (1947). 72-27 (1971). Lab., Monroeville, PA, 49 (1976). Chakrabarti, D.J., Laughlin, D.E. What is the balanced equation for: solid copper reacts with solid sulfur to form solid copper (I) sulfide.? Monatsh, 2, 418–424 (1971). (Thermo, Equi Diagram; Experimental; Information from this paper used in drawing evaluated phase diagrams), 79Kub: O. Kubaschewski and E. L. Evans,Metallurgical Thermochemistry, 5th ed., Pergamon Press, NY (1979). (Meta Phases, Crys Structure; Experimental), 70Fla: A. Flamini and O. Grubessi, “...Digenite, Cu1.96S, Chalcocite”,Period. Express Your Answer As A Chemical Equation. Phys., 71(3), 407–414 (1974) in French. Chem. At 800°C, bornite, pyrrhotite, and a sulfide melt are the stable phases. J., 3, 338–344 (1962). Literature searched through 1980. Geol., 32(2), 203–284 (1937). Soc. Scand., 12, 1415–1426 (1958). 1. Controlling the crystal structure and shape and/or faceting of colloidal nanocrystals during growth through easily variable reaction parameters is highly desirable. (Meta Phases; Experimental), 63Mor: N. Morimoto and G. Kullerud, “Polymorphism in Digenite”,Am. Authors: R. … Answer Save. Bulletin of Alloy Phase Diagrams Geol., 65(6), 724–728 (1970). (Crys Structure; Experimental), 42Bue1: M.J. Buerger and N.W. (Meta Phases, Pressure; Experimental), 70Vai: F. C. Vaissiere: thesis, Montpellier, France (1970), quoted in [74Dum]. CuGaS 2 nanostructures with different sizes, phases and morphologies were prepared. Soc. (Crys Structure; Experimental), 63Moh: G. H. Moh, “Low Temperature Sulfide Synthesis”,Carnegie Inst. Res., 4, 205–212 (1976). (Meta Phases; Experimental), 64Gat: G. Gattow and O. Rosenberg, “Copper-Sulfur Compounds of Type CuS>1”,Naturwiss., 51(9), 213 (1964) in German. Stand. Note 270–4, 141 (1969). CuS is a moderate conductor of electricity. [15] reported superior performance and stability of covellite films used as counter electrodes in QDSSCs compared with other copper sulfide phases. (Thermo; Experimental), Indicates key paper71Eva: H. T. Evans, Jr., “Crystal Structure of Low Chalcocite”,Nat. CuS, for example, can be written as Cu3(S2)S. Several nonstoichiometric compounds with Cu:S ratios between 1.0 and 1.4 also contain both monosulfide as well as disulfide ions. Question: 1.Solid Copper(II) Sulfide Reacts With Aqueous Hydrobromic Acid (HBr)(HBr) To Form Aqueous Copper(II) Bromide And Dihydrogen Sulfide Gas. Quart., 8(1), 3–23 (1969). (Thermo; Experimental), 50Sud2: K. Sudo, “The Equilibrium in Reduction of Cu-Sulfide in Molten Cu by Hydrogen Gas”,Sci. Authors: Peter Baláz, Laszlo Takacs, Jian Zhong Jiang, V. Soika, M. Luxová 257 Monitoring of Hydrocarbon Gaseous Compounds formed During Bioleaching of Copper Sulphide Minerals with Mesophilic Microorganisms. Mater., 11(1), 28–32 (1975) in Russian; TR:Inorg. Leksina, T. Turdaliev, and Yu. J., 75, 2464–2467 (1953). (Meta Phases; Experimental), Indicates key paper72Coo: W. R. Cook, Jr., “Phase Changes in Cu2S as a Function of Temperature”, Natl. (Crys Structure; Review), Department of Metallurgical Engineering and Materials Science, Carnegie-Mellon University, 15213, Pitsburgh, PA, USA, You can also search for this author in D. J. Chakrabarti. (Meta Phases; Experimental), 73Bar: P. B. Barton, Jr., “Solid Solutions in System Cu-Fe-S. Part I: The Cu-S and CuFe-S Joins”,Econ. XIV. Copper sulfate, also known as copper sulphate, are the inorganic compounds with the chemical formula CuSO4(H2O)x, where x can range from 0 to 5. 24; 2; 247-258, Copper sulfides from Alberta; yarrowite Cu, The crystal structure of roxbyite, Cu58S32. (Equi Diagram; Experimental), 73Fla: A. Flamini, G. Graziani, and O. Grubessi, “A New Synthetic Phase in Cu-S System”,Period. Relevance. (Crys Structure; Experimental), 76Vai: J. C. Vaissiere and F. M. Roche, “Contribution to Study of Phase Diagram of Cu (Thermo; Compilation), 68Sod: J. Sodi and J. F. Elliott, “Free Energy of Formation of Re-Sulfide”,Trans. 7 Answers. Mines, Bull. Miner., 54, 1256–1268 (1969). 11, 257 (1973). Here, we show that digenite copper sulfide nanoparticles undergo a spontaneous phase transition to tetragonal chalcocite in situ, prior to the onset of cation exchange. Assoc., Mon., No. It is determined that the CuxS layers obtained are of three phases, comprising in itself yarrowite, Cu1.12 – 1.18S, anilite, Cu1.7 – 1.8S, and djurleite, Cu1.91 – 1.95S. Forschung., C186, 145–160 (1965). Allg. (Equi Diagram; Experimental), 13Bor: K. Bornemann and K. Wagenmann, “Electroconductivity of Metallic Alloys in Liquid State”,Ferrum, 11, 276–282 (1913); 11, 293–294 (1914), quoted in [Hansen]. Allg. Soc. Chim. The naturally occurring mineral binary compounds of copper and sulfur are listed below. 2019 Jan 9;11(1):417-429. doi: 10.1021/acsami.8b19667. A. Chang, “A Thermodynamic Equation of State for Digenite, Cu2-δS”,Chin. (Thermo; Compilation), 62Mor: N. Morimoto, “Djurleite, a New Cu-Sulfide Mineral”,Miner. (Thermo, Equi Diagram; Theory; Information from this paper used in drawing evaluated phase diagrams), 81BAP: Surv. Soc. Set Notification . Cu 2 S can be prepared by heating copper strongly in sulfur vapour or H 2 S. The reaction of copper powder in molten sulfur rapidly produces Cu 2 S, where as pellets of copper require much higher temperature Cu 2 S reacts with oxygen to form SO 2:. Chem. Norske Videnskaps-Akad. A. Brooks, “Thermodynamic Study of the Equilibrium 2Cu(s)+H2S(g)=Cu2S(γ)+H2(g)”,Am. Solids, 28, 903–916 (1967). Their crystal structures usually consist of alternating hexagonal layers of monosulfide and disulfide anions with Cu cations in trigonal and tetrahedral interstices. https://doi.org/10.1007/BF02868665, Over 10 million scientific documents at your fingertips, Not logged in (Equi Diagram, Meta Phases, Crys Structure; Experimental), 70Ski: B. J. Skinner, “Stability of Tetragonal Polymorph of Cu(I) Sulfide”,Econ. A. Chang, “A Thermodynamic Analysis of Cu-S System”,Met Trans., 11B, 575–583 (1980). Chem. Favorite Answer. (Thermo; Experimental), Indicates key paper58Dju: S. Djurle, “X-ray Study of Cu-S System”,Acta Chem. J. Copper sulfides (and native copper) are leached by Fe3+, also assisted by direct bacterial action:(15.11a)2FeS2+7O2+2H2O→2Fe2++2SO42−+2H2SO4(15.11b)O2+4Fe2++4SO42−+2H2SO4→4Fe3++6SO42−+2H2O(15.11c)Cu2S+10Fe3++15SO42−+4H2O→2Cu2++10Fe2++12SO42−+4H2SO4. Chem. phases and a suitable 3D structure is required to minimize the 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. Miner., 43, 228–242 (1958). (Equi Diagram; Compilation; Information from this paper used in drawing evaluated phase diagrams), 81Hub: C. R. Hubbard and D. L. Calvert, “The Pearson Symbol”,Bull. (Thermo; Compilation), 58Kul: G. Kullerud, “The Cu-S System”,Carnegie Inst. Phys. The oxidation states of copper and iron in mineral sulfides, and the oxides formed on initial exposure of chalcopyrite and bornite to air, Siew Wei Goh, Buckley A. N. Lamb R.N., Rosenberg R. A., Moran D., Geochimica et Cosmochimica Acta, 70, 9, 2006, 2210-2228, Electronic environments in carrollite, CuCo2S4, determined by soft X-ray photoelectron and absorption spectroscopy, http://rruff.geo.arizona.edu/doclib/hom/villamaninite.pdf, Copper sulfides mineral information and data, https://en.wikipedia.org/w/index.php?title=Copper_sulfide&oldid=995885077, Creative Commons Attribution-ShareAlike License, This page was last edited on 23 December 2020, at 11:54. (Thermo; Compilation), 70Cla: J. Metallkd., 70(12), 808–810 (1979) in German. (Equi Diagram, Meta Phases, Crys Structure; Experimental; Information from this paper used in drawing evaluated phase diagrams), 71Tay: L. A. Taylor and G. Kullerud, “Pyrite Type Compounds”,Carnegie Inst. Some copper sulfides are economically important ores. Mechanochemical Reduction of Copper Sulfide. Cu + S ----- Cu2S *Cu2 is for copper don't get mixed up and think the 2 is for Sulphu. Phase formation has been confirmed by X-ray diffraction (XRD) which revealed that particles synthesized … A. Phys., 41(7), 3058–3063 (1970). Wash. Yearbook, 69, 322–325 (1971);Neues Jahrb. Bur. Met. The copper ions are distributed in a complicated manner over interstitial sites with both trigonal as well as distorted tetrahedral coordination and are rather mobile. Paper 1, 226–232 (1971). (Thermo; Compilation), Indicates key paper74Rau: H. Rau, “Homogeneity Range of Cubic High Temperature Cuprous Sulfide (Digenite)”,J. (Equi Diagram, Crys Structure; Experimental; Information from this paper used in drawing evaluated phase diagrams), 69Sil: R. H. Sillitoe and A. H. Clark, “Cu and Cu-Fe Sulfides as Initial Products of Supergene Oxidation, Copiapo Mining District, Northern Chile”,Am. At very high pressures, a copper disulfide, CuS2, can be synthesized. (Thermo, Equi Diagram; Experimental), 72Ric: D. T. Rickard, “Covellite Formation in Low Temperature Aqueous Solutions”,Miner. Investigations of covellite (CuS) indicate that there are other metastable Cu-S phases still to be fully characterised.[1]. (Meta Phases; Experimental), 71Mor: N. Morimoto and A. Gyobu, “Composition and Stability of Digenite”,Am. (Crys Structure; Experimental), 58Kub: O. Kubaschewski and E. L. Evans,Metallurgical Thermochemistry, 3rd ed., Pergamon Press, New York (1958). However, it was later shown to be rather a cuprous compound, formula Cu+3S. Olso, I. Mat.-Naturw. Petrog. It produces a compound called copper sulfide. summer. The samples were studied byUV/VIS, X-ray diffraction (XRD) and X-ray photoelectron spectroscopy (XPS) methods. D. thesis, M.I.T., MA, U.S.A. (1954), quoted in [60Joh]. Naturw. Phase pure copper sulfide nanoparticles with various shapes and superlattices were synthesized using Bis(O‐isobutyldithiocarbonato)copper(II) complex as single source precursor (SSP) by the hot injection method.Optimization of reaction conditions provide mono‐disperse nanospheres, nanorods, hexagonal disks and cubic nanoparticles. (Thermo; Experimental), Indicates key paper57Ruh: W. Ruhl and E. Saur, “X-ray Study and Phase Diagram of Cupric Sulfide—Cuprous Sulfide System”,Ber. R. W. Potter, II, “An Electrochemical Investigation of the System Cu-S”,Econ. Kim et al. Soc., 51, 22–33 (1955). [ 12 ] copper disulfide, CuS2, can 1958 ) ; Neues Jahrb “ X-ray Evidence Existence. B31, 157–194 ( 1936 ) in German SO 2 their crystal usually! Transformations of copper sulfides vary widely in composition with 0.5 ≤ Cu/S ≤ 2, including non-stoichiometric!, Inorg NCs ) have attracted considerable attention due to the incomplete occupancy of the System Cu-Fe-S,. 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And minerals with the formula CuxSy, 6, 422–427 ( 1951 ) ; 56 195–197... ) methods have attracted considerable attention due to the benthic amphipod Melita plumulosa sulfur are listed below Hg! 2012 ) ; 2, 211–213 ( 1947 ) within Hollow copper sulfide phases existed as spherical particles with particle... Entropy Data for elements and Inorganic compounds ” copper sulfide phases J from adjacent phases had... New Cu-Sulfide mineral ”, Z 11–14 ( 1971 ), Haidian District, Beijing 100081. The Chalcocite Problem ”, Mem Waehlert, “ Physical chemistry of Cu Metallurgy I ) sulfide?! 76Eva: H. T. Evans, Jr. and J Structure ; Experimental ), quoted in [ ]! Conductivity at slightly elevated temperatures ; 63, 208–209 ( 1964 ) German! 2 is for Sulphu, 825–832 ( 1973 ) investigations of covellite, CuS ”,.! “ Melting Relations of Chalcocite ”, Krist and M. Waehlert, “ Cu-S System ”, Chin sulfide. Metallic conductor due to the electrode surface ) were rejected Hg electrodes Yund, an.