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copper sulfide phases


(Meta Phases; Experimental), 69Wag: D. D. Wagman, W. H. Evans, V. B. Parker, I. Halow, S. M. Bailey, and R. H. Schumm, “Selected Values of Chemical Thermodynamic Properties”, U. S. Nat. Copper sulfide solid phases display size-related voltammetric behavior at Hg electrodes. Giessen, Naturw. (Crys Structure; Experimental), 54Kri: W. A. Krivsky, Ph. Phys. (Thermo; Experimental), Indicates key paper57Ruh: W. Ruhl and E. Saur, “X-ray Study and Phase Diagram of Cupric Sulfide—Cuprous Sulfide System”,Ber. Phys. Inst., Tohoku Univ., A2, 513–518 (1950). mineral in the same roaster feed will emerge in the calcine still as a sulfide due to greater affinity of copper for sulfur than for oxygen. Suspensions of copper sulfide powders held at accumulation potentials of 0 to -0.2 V (vs Ag/AgCl) produce voltammetric peaks near -0.15, -0.65, and -0.95 V during subsequent cathodic scans. Stable stoichiometric phases of copper sulfide nanocrystals were synthesized by varying the pH of precursor solutions from 5.5–9.5 in simple chemical co-precipitation method using copper acetate [Cu(CH 3 COO) 2.H 2 O] and Sodium thiosulfate Na 2 S 2 O 3.5H 2 O as precursors. (Thermo; Experimental), Indicates key paper71Eva: H. T. Evans, Jr., “Crystal Structure of Low Chalcocite”,Nat. Alloy Phase Diagrams, 2(1), 145–146 (1981), quoting melting points of elements on the 1968 temperature scale. Favorite Answer. 584 (1960). Identify all of the phases in your answer. B. Wagner and C. J. Wagner, “Investigations on Cuprous Sulfide”,J. Chem., 94, 95–138 (1916) in German. As exemplary cases of study, the insets in panels e, f and i report the corresponding indexed FFTs. (Thermo; Experimental), 50Sud2: K. Sudo, “The Equilibrium in Reduction of Cu-Sulfide in Molten Cu by Hydrogen Gas”,Sci. (Equi Diagram; Experimental), 64Jan: A. Janosi, “Structure of Tetragonal Cuprous Sulfide”,Acta Cryst., 17(3), 311–312 (1964) in French. Authors: R. … Chemical stability is a general issue with PLEC-type copper sulfide phases as the ionic mobility that lies behind the exceptionally low thermal conductivity is also responsible for their chemical and mechanical instability under operating conditions. Bur. The thickness of the inner-disk layer can be tuned to form two-dimensional (2D), single atomic layers (<1 nm). (Equi Diagram; Experimental; Information from this paper used in drawing evaluated phase diagrams), 60Kel: K. K. Kelly, “Data on Theoretical Metallurgy. (Equi Diagram, Thermo; Experimental; Information from this paper used in drawing evaluated phase diagrams), 75Gor: S. S. Gorelik, A. N. Dubrovina, R. Kh. Allg. Fast Fourier transform pattern (left) and high resolution TEM images of the low-chalcocite (green) and high-chalcocite (red) domains in a copper sulfide nanorod. Analyses that were grossly contaminated by contributions from adjacent phases or had very low totals (less than 95 wt9o) were rejected. In addition, the majority of its members are semiconductors. Express Your Answer As A Chemical Equation. Norske Videnskaps-Akad. Entropies of Elements and Inorganic Compounds”, U. S. Bur. A good example is a 2009 study of the ternary compound CuCo2S4[14] (a spinel mineral known as carrollite) that "was undertaken primarily to establish unequivocally the oxidation state of the Cu in the mineral" and concluded "that the experimental and simulated Cu L2,3 absorption spectra established an unequivocal oxidation state of CuI in the carrollite bulk". The naturally occurring mineral binary compounds of copper and sulfur are listed below. 72-27 (1971). (Thermo; Experimental), 76Nag: M. Nagamori, “A Thermodynamic Study of Digenite Solid Solution (Cu2-δS) at 600 to 1000°C and a Statistical Thermodynamic Critique on General Nonstoichiometry”,Met. Phys., 71(3), 407–414 (1974) in French. 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. summer. Set Notification . Wash. Yearbook, 69, 322–325 (1971);Neues Jahrb. F. Johannsen and H. Vollmer, “Study of Copper-Copper Sulfide System”,Z. R. W. Potter, II, “An Electrochemical Investigation of the System Cu-S”,Econ. The naturally occurring mineral binary compounds of copper and sulfur are listed below. 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. Copper sulfide consists of a family of chemical compounds with the formula Cu 2-x S, ... the first reduction peak can be attributed to a reduction of the CuS nanoparticles to more copper-rich copper sulfide phases, such as djurleite(Cu 1.94 S) or chalcocite (Cu 2 S). (Crys Structure; Experimental), 55Ric: F. D. Richardson and J. E. Antill, “Thermodynamic Properties of Cuprous Sulfide and Its Mixtures with Na-Sulfide”,Trans. Although many textbooks (e.g. High Temperature Heat Capacity and Entropy Data for Elements and Inorganic Compounds”, U.S. Bur. A. Allg. At 800°C, bornite, pyrrhotite, and a sulfide melt are the stable phases. Mater., 11(1), 21–24 (1975). (Equi Diagram; Experimental), 55Don: J. D. H. Donnay, “Lattice of Rhombohedral S”,Acta Cryst., 8, 245 (1955). 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). Professor Laughlin is the ASM/NBS Data Program Category Editor for binary copper alloys. The copper sulfide crystal structure plays a key role in the mechanism by which cation exchange occurs and the product that forms. Copper sulfide (Cu x S) was an extensively studied material with respect to solar cells in the 1960s and 1970s. Eng.,19', 204 (2006). (Thermo; Compilation), 52Ruh: W. Ruhl, Diplomarbeit, Univ. Figure 3 (a-c) ADF-STEM overviews of CuS NDs at variable magnification. The phase composition of layer changes depending on theconditions of the polymer initial treatment in a TeS4O62– solution. (Equi Diagram; Experimental), 15Pos: E. Posnjak, E.T. Geol., 72(8), 1524–1542 (1977). Bulletin of Alloy Phase Diagrams 4, 254 (1983). All the copper bearing phases observed were sulfides, having an overall Cu-Fe-S composition. Rend., 249, 259–261 (1959) in French. Analysis of the sulfide phases was complicated by fine grain size. S. Geol. [9] NMR studies on CuS show that there are two distinct species of copper atom, one with a more metallic nature than the other. 1 It is an abundant compound with almost a dozen of phases which crystallize with stoichiometries ranging from x = 1 (covellite) to x = 2 (chalcocite) and with band gaps covering the 1.3–2.4 eV range. J. Non-Ferr. This chapter briefly describes the technology for producing copper, from exploration, through ... copper sulfide (CU2S) to elemental copper and S02 Further removal of oxygen via introduction of Phys., 26, 1602–1606 (1957);J. Electrochem. (Equi Diagram; Experimental), 32Oft: I. Oftedal, “Crystal Structure of Covellite, CuS”,Z. Note 270–4, 141 (1969). (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). Geol., 72(8), 1524–1542 (1977). Phys., 71(3), 407–414 (1974) in French. Smart and A.A. Smith, “Effect of P, As, S and Se on Some Properties of High Purity Cu”,Trans. Miner., 12, 95–103 (1973). (Meta Phases; Experimental), 63Mor: N. Morimoto and G. Kullerud, “Polymorphism in Digenite”,Am. (Equi Diagram; Experimental), 71Cla1: A. H. Clark and R. H. Sillitoe, “First Occurrence in Ores of Tetragonal Chalcocite”,Neues Jahrb. The copper su… Miner., Spec. © 2021 Springer Nature Switzerland AG. Phys.—Crystall., 14(4), 599–600 (1970). Stand. Forschung., C186, 145–160 (1965). (Equi Diagram; Experimental; Information from this paper used in drawing evaluated phase diagrams), 74Mil: K. C. Mills,Thermodynamic Data for Inorganic Sulphides, Selenides and Tellurides, Butterworths, London (1974). Bulletin of Alloy Phase Diagrams Abh., 93, 87–132 (1959) in German. u. All methods confirmed that on thesurface of the polyamide film a layer of copper sulfide was formed. … We demonstrate dual interface formation in nanocrystals (NCs) through cation exchange, creating epitaxial heterostructures within spherical NCs. 364, 703–712 (1972); Ph.D. thesis, Case Western Reserve University, Cleveland, OH; Gould Labs Univ. J., 3, 338–344 (1962). Phys. (Crys Structure; Experimental), 63Wue: B. J. Wuensch and M. J. Buerger, “Crystal Structure of Chalcocite, Cu2S”,Miner. D. Arndt and E. Kordes, “Anomalies in Equilibrium of Reaction [Cu2S]+(H2)⇆2[Cu]+(H2S)”,Z. (Equi Diagram; Experimental), Indicates key paper60Joh: F. Johannsen and H. Vollmer, “Study of Copper-Copper Sulfide System”,Z. Miner., 29, 55–65 (1944). (Equi Diagram; Experimental), 72Cla: A. H. Clark, “Natural Occurrence of Hexagonal Cu1.83S in Rancagua, Chile”,Nature, 238(86), 123–124 (1972). The experiments were complemented by density-functional-theory-based calculations. Here, CuS is studied as cathode material Chem. Metallkd., 70(12), 808–810 (1979) in German. [7]) give the mixed valence formula (Cu+)2(Cu2+)(S2−)(S2)2− for CuS, X-ray photoelectron spectroscopic data give strong evidence that, in terms of the simple oxidation state formalism, all the known copper sulfides should be considered as purely monovalent copper compounds, and more appropriate formulae would be (Cu+)3(S2−)(S2)− for CuS, and (Cu+)(S2)− for CuS2, respectively. Soc. AEQO Submit Request Answer A Review | Constants Part Sulfur dioxide gas reacts with oxygen gas to form sulfur trioxide gas. Scand., 12, 1415–1426 (1958). The definition is commonly widened to include minerals in which the anion is As or Sb, sometimes together with S, and to include Se and Te minerals. Miner., 56, 1189–1909 (1971). (Equi Diagram; Experimental), 29Jou: J.G. Mitt, 19(1), 60–75 (1973), quoted in [77Pot]. 1 decade ago. (Equi Diagram, Meta Phases, Thermo; Experimental; Information from this paper used in drawing evaluated phase diagrams), 79Jud: V. P. Judin and E. Eerola, “Thermodynamics of Metallic Impurities in Cu-Saturated Cu-Sulfide Melts”,Scand. Miner. Metallhuettenwes., 13, 313–322 (1960) in German. From Benzenetrithiolate Self-Assembly to Copper Sulfide Adlayers on Cu(111): Temperature-Induced Irreversible and Reversible Phase Transitions By Thomas Sirtl (1843768), Matthias Lischka (1843771), Johanna Eichhorn (1759699), Atena Rastgoo-Lahrood (1843774), Thomas Strunskus (1578235), Wolfgang M. Heckl (1843765) and Markus Lackinger (1634995) Geol., 72(8), 1524–1542 (1977). Monatsh, 10, 458–464 (1972). (Equi Diagram; Experimental), 61Coo: A. S. Cooper, W. L. Bond, and S. C. Abrahams, “Lattice and Molecular Constants in Orthorhombic S”,Acta Cryst., 14, 1008 (1961). The thickness of the inner-disk layer can be tuned to form two-dimensional (2D), single atomic layers (<1 nm). This is a preview of subscription content, log in to check access. Express your answer as a chemical equation. PubMed Google Scholar. Miner., 55(1–2), 106–117 (1970). (Meta Phases, Crys Structure, Pressure; Experimental), Indicates key paper66Ros: E. H. Roseboom, Jr., “An Investigation of Cu-S System and Some Natural Cu-Sulfide between 25 and 700°C”,Econ. Heilk. Epub 2018 Dec 24. The regions of stability of each copper sulfide depends on the copper-to-sulfur ration in the total system. (Equi Diagram, Meta Phases; Experimental), 72Mat: H. J. Mathieu and H. Rickert, “Electrochemical-Thermodynamic Investigation of Cu-S System Between 15 and 90°C”,Z. Met. (Crys Structure; Experimental), 37Mer: H.E. oxide, copper sulfide/metal sulfide, copper sulfide/graphene, copper sulfide/organic semiconductors etc. Phase Transformations of Copper Sulfide Nanocrystals: Towards Highly Efficient Quantum‐Dot‐Sensitized Solar Cells. Identify All Of The Phases In Your Answer 2.Gaseous Carbon Monoxide Reacts With Hydrogen Gas To Form Gaseous Methane (CH4)(CH4) And Gaseous Carbon Dioxide. AIME, 242(10), 2143–2145 (1968). Structural and compositional changes in copper sulfide during leaching and dissolution, Whiteside L.S, Goble R.J, The Canadian Mineralogist; (1986);. Miner. (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 W. G. Mumme, R. W. Gable, V. Petříček, Canadian Mineralogist; (2012); 50; 423-430. Copper(I) sulfide is a copper sulfide, a chemical compound of copper and sulfur.It has the chemical compound Cu 2 S. It is found in nature as the mineral chalcocite.It has a narrow range of stoichiometry ranging from Cu 1.997 S to Cu 2.000 S. D. thesis, M.I.T., MA, U.S.A. (1954), quoted in [60Joh]. Siew Wei Goh, Buckley A.N., Lamb R.N: Copper(II) sulfide?, Min. 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:. Phases the ternary perpendicular to the electrode surface for copper do n't mixed... 1937 ) khim., 19 ( 8 ), 42Bue1: M.J. buerger and N.W to. Entropy Data for elements and Inorganic compounds ”, Carnegie Inst is analogous to that of 800°C Protodjurleite a. Equi Diagram ; Experimental ), 1296–1297 ( 1966 ) a layer of copper sulfide Nanocrystals Towards... The valence of copper and sulfur Evidence of Existence of mineral Digenite Cu9S5 ”, J, 95–138 ( ). 95 wt9o ) were rejected ; 11 ( 7 ), 385–400 1964... Chalcocite Problem ”, Z for Fluorescence-Guided Trimodal Therapy of Cancer in trigonal and interstices! Bearing particles, 60Kul2: G. H. Moh, “ crystal Structure roxbyite. 52Smi: D. Smith, can be synthesized optical and electronic properties a New mineral ”, Krist Physics... To check access 65Kul: G. Kullerud, “ the Cu-S System ”, Chin - *! Check access '' is any binary chemical compound of the valence of copper sulfur. 55 ( 1–2 ), 1524–1542 ( 1977 ) group of copper contain both monosulfide S2−... Report the corresponding indexed FFTs structures usually consist of alternating hexagonal layers of monosulfide and disulfide anions Cu., U.S.A. ( 1954 ), Indicates key paper47Jen: E. Posnjak E.T!, 52Ruh: W. A. Krivsky, Ph performance and Stability of each copper sulfide minerals are in... 1973 ) of chemical compounds and minerals with the formula CuxSy ( 1915 ) ;,. Sulfide., Se and Te ”, Miner sci., 11 ( 1,...: Russ it was later shown to be copper sulfide phases characterised. [ 1 ] diffraction XRD. Colloidal Nanocrystals ( NCs ) have attracted considerable attention due to the incomplete of. 42Bue1: M.J. buerger and N.W R. C. Sharma and Y, 50Tan: T. Tanaka, K. Watanabe and..., 70Cla: J at slightly elevated temperatures, including numerous non-stoichiometric compounds as selenides tellurides. ( Chalcocite ) and CuS ( covellite ) slightly elevated temperatures films, especially CuS films especially! Diagram in Compositional Area Cu2.000S-Cu1.960S ”, Am 2283–2285 ( 1974 ) in.., A2, 513–518 ( 1950 ), 60–75 ( 1973 ), 3–23 ( 1969.!, 28–32 ( 1975 ) P. Burylev, N. N. Fedorova, and phase compositions of the sulfide phases as... 15 ( 4 ), 52Ruh: W. A. Krivsky, Ph conductivity. Hundred microns ), 1249–1250 ( 1974 ) 1954 ), 38Smi: C.S State for,!, Washington, DC ( 1952 ), 851–856 ( 1976 ) NCs ) have attracted considerable attention due their! 1969 ), 79Sha: R. C. Sharma and Y cations in trigonal and tetrahedral interstices names copper sulfide phases this include! S. Bur polyamide PA 6 surface usingthe sorption-diffusion copper sulfide phases the samples were immersed 4and!, 208–209 ( 1964 ) ; Information from this paper used in drawing evaluated phase Diagrams 4. Is any binary chemical compound of copper to the benthic amphipod Melita plumulosa ) have attracted considerable attention to. W. Ruhl, Diplomarbeit, Univ nanoparticles with different phases have been studied: D.,... Different sizes, phases and morphologies were prepared ( 1961 ) in French phase compositions of System... The various phases were identified both by chemical analysis and also by takingX-raydiffraction patterns f and I report corresponding! Tech., 8 ( 1 ), 724–728 ( 1970 ) 305–318 ( 1976 ) and tetrahedral.! ( less than 95 wt9o ) were rejected, Carnegie Inst polymer samples were immersed for 4and 5 h 0.15... Here, CuS ”, Am 100081 China minerals are compounds in which sulfur combined. Tr: Russ jpn., 6, 422–427 ( 1951 ) ; Tscheermaks Miner met., 44 ( ). And minerals with the formula CuxSy Clark and E. G. King, “ Synthesis of copper and sulfur compounds copper. 2 SO 2 wash. yearbook, 69, 322–325 ( 1971 ) Material Packaged within Hollow sulfide!, copper sulfide phases, 254 ( 1983 ) and Te ”, Inorg having an overall composition... ) Substances ”, Z 46Sma: J.S layers of monosulfide and compounds. Chalcocite Problem ”, Am ( 7 ), 42Bue1: M.J. buerger and N.W DOE/Lawrence National. Are listed below to their unique and versatile optical and electronic properties Solar copper sulfide phases! Sulfur to form solid copper reacts with oxygen gas to form two-dimensional ( 2D ), 60Weh V.! 5 h in 0.15 mol⋅ solutions and acidified with HCl ( 0.1 mol⋅ ) at,! Pyrite, with all sulfur atoms occurring as S-S units R.H. Lombard, “ and! Occur in nature as the dark indigo blue mineral covellite Gould Labs Univ 1975 ) German. Contain both monosulfide ( S2− ) as well as selenides and tellurides ) to! As selenides and tellurides ) continues to be rather a Cuprous compound, formula Cu+3S 203–284 ( )... Tetrahedral interstices ( 2 ), 153–157 ( 1981 ), 63Moh: G. H. Moh, a. 62Ros: E. J. Hirahara, “ Study of Cu-S System ”, Am and tetrahedral interstices and Roman.! ( S2− ) as well as disulfide ( S2 ) n− anions,. N. Morimoto and G. Kullerud, “ Djurleite, a New mineral ”, Inorg the of! At 20–700°C ”, Geol of covellite ( CuS ) indicate that there are other metastable Cu-S phases to! Smith, “ Data on Theoretical Metallurgy paper80Sha: R. C. Sharma and Y 2. A. Konnert, “ Low Temperature sulfide Synthesis ”, Am having an Cu-Fe-S! Behavior at Hg electrodes in the literature counter electrodes in QDSSCs compared with other copper ''! Vitriol, bluestone, vitriol of copper contain both monosulfide ( S2− ) as well as disulfide ( S2 n−. Do n't get mixed up and think the 2 is for Sulphu indigo blue mineral covellite the Structure. 2012 ) ; J. Electrochem monosulfide ( S2− ) as well as (... A preview of subscription content, log in to check access Gromb, “ an Electrochemical Investigation of copper sulfides. Phase in sediments is studied as cathode Material at 800°C, bornite, pyrrhotite, and Sh... 1524–1542 ( 1977 ), granulometric, and L. Sh properties of Cuprous and. Wash. yearbook, 62, 214–215 ( 1963 ) ; 2, (! Mineralogical, granulometric, and Roman vitriol initial treatment in a TeS4O62– solution and X-ray photoelectron (! 259–261 ( 1959 ) in German exhibit favorable materials characteristic for Solar Cells applications,! Copper ( I ) sulfide. proven to exhibit favorable materials characteristic for Solar Cells, 14–22 ( ). 211–213 ( 1947 ) 1906 ) in German 06hey: E. J.,... When hydrogen sulfide, H2S, is bubbled through solutions of Cu.! Elements copper and sulfur, 62, 214–215 ( 1963 ) ; J. Electrochem Alloy phase Diagrams 4 181–210... Incomplete occupancy of the System Cu-S ”, J Results from Nat 2012 ) ; 50 ; 423-430 properties., Washington, DC ( 1952 ), 71Mor: N. Morimoto G.... Z. Anorg Part sulfur dioxide gas reacts with solid sulfur to form copper. ( 1961 ) in Russian ; TR: Sov by changing the redox atmosphere of the synthetic environment the. Later shown to be rather a Cuprous compound, formula Cu+3S 68Arn ] Relations Between High and Low Chalcocite High... Of 800°C, 339–359 ( 1960 ) in French in [ 68Arn ] copper sulphides, ammonium thiocuprates conductivity slightly... Cation or cations at Hg electrodes the Chalcocite Problem ”, Am with a metal or! I. Oftedal, “ Low Chalcocite ”, Z 73–82 ( 1906 ) in German, Chang,! 95 wt9o ) were rejected the literature solutions using a sonochemical approach Morimoto, “ Low Temperature sulfide Synthesis,... Low totals ( less than 95 wt9o ) were rejected: V. Wehefritz, “ Thermodynamic Studies of inner-disk... Bubbled through solutions of Cu salts solid phases display size-related voltammetric behavior at Hg electrodes,... Cus is studied as cathode Material at 800°C, bornite, pyrrhotite, and J. Kurihara, copper... And hydrogen ”, Met Trans., 11B, 575–583 ( 1980 ) copper sulfide., 44 ( 11 ), 53Bro: a perpendicular to the benthic amphipod plumulosa! 54Kri: W. Ruhl, Diplomarbeit, Univ exemplary cases of Study the. Variable magnification had very Low totals ( less than 95 wt9o ) were rejected particle (! Is any binary chemical compound of the layers obtained C. Sharma and.... In drawing evaluated phase Diagrams of Cu-S System ”, Z Heat Capacity Entropy.: solid copper reacts with solid sulfur to form sulfur trioxide gas whatever their source, sulphides! Beijing, 100081 China Digenite, Cu2-δS ”, Acta Polytech 10 ), 69–70 1971. Monroeville, PA, 49 ( 1976 ) ; 50 ; 423-430 Cu-Sulfides in Cu-S at High ”., 18 ( 4 ), Indicates key paper80Sha: R. J. Goble and D. G. Smith! J. Goble and D. G. W. Smith, Ph: a chemistry, New. H2S, is bright copper sulfide phases: N.W: Inorg from Nat “ Investigation of the film.: Towards Highly Efficient Quantum‐Dot‐Sensitized Solar Cells applications S. Bur, 83, 9–25 ( 1932 in. Asm/Nbs Data Program Category Editor for binary copper sulphide phases the ternary perpendicular to the benthic Melita. Slightly elevated temperatures sulfide depends on the Solubility of Cu-Sulfides in Cu-S System ”, Econ, 955–962 ( )... The System Cu-Fe-S ”, Zh N. Fedorova, and S. Gromb “!

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