Category: 1111-67-7

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Charge Photogeneration and Recombination in Mesostructured CuSCN-Nanowire/PC70BM Solar Cells

Fullerene-based materials are widely used as electron acceptors in organic bulk-heterojunction solar cells; yet, they have rarely been used as the only photoactive component due to their low absorbance and limited charge generation efficiency. However, blending the wide-bandgap p-type material copper (I) thiocyanate (CuSCN) with [6,6]-phenyl-C71-butyric acid methyl ester (PC70BM) leads to the formation of a unique mesostructured p-n like heterointerface between CuSCN and PC70BM and solar cells with a power conversion efficiency (PCE) of up to 5.4%. Here, we examine in detail the reasons for the surprisingly good device performance and elucidate the charge photogeneration and recombination mechanisms in CuSCN-based devices with PC70BM as the exclusive light-absorbing material. Our studies clearly demonstrate that a substantial fraction of the photocurrent in the CuSCN-based devices results from improved dissociation of fullerene excitons and efficient charge transfer at the CuSCN:PC70BM interface combined with reduced geminate and nongeminate charge recombination losses. Our results have implications beyond the fullerene-based devices studied here, as they demonstrate that careful selection of a mesostructured p-type transparent semiconductor paves the path to a new type of efficient single photoactive material solar cells.

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Reference£º
Copper catalysis in organic synthesis – NCBI,
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”

 

In homogeneous catalysis, the catalyst is in the same phase as the reactant. The number of collisions between reactants and catalyst is at a maximum.In a patent, 1111-67-7, name is Cuprous thiocyanate, introducing its new discovery. HPLC of Formula: CCuNS

CHARACTERIZATION OF THE ADDUCTS FORMED BY Cu(CN) AND Cu(NCS) WITH BIQUINOLINE. THE CRYSTAL STRUCTURE OF THE POLYMERIC CYANO-COMPOUND CONTAINING BOTH LINEAR AND TETRAHEDRALLY CO-ORDINATED COPPER(I), <n>

The salts Cu(CN) and Cu(NCS) react with 2,2′-biquinoline (bq = C18H12N2) to give the adducts <n> (1) and <n> (2).Complex (1) crystallyzes in space group C2/m with cell dimensions a = 13.626(2), b = 15.322(2), c = 7.908(1) Angstroem, beta = 95.89(1) deg, and Z = 2.It consists of chains of CN-bridged copper atoms, each copper being either linearly or tetrahedrally co-ordinated.The tetrahedral copper is also co-ordinated to bq.Pairs of bq molecules belonging to paralell chains stack with an interplanar spacing of 3.35 Angstroem.Complex (2) is microcrystalline and from hot dimethyl sulphoxide gives crystals of (3).The polarization properties of the i.r. and electronic bands of complex (1) have been determined.In the optical spectrum two metal-to-ligand charge-transfer transitions could be detected.Comparison of the spectroscopic properties of the three compounds indicates a lower degree of polymerization for (3).

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Reference£º
Copper catalysis in organic synthesis – NCBI,
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”

 

Synthetic Route of 1111-67-7, The reaction rate of a catalyzed reaction is faster than the reaction rate of the uncatalyzed reaction at the same temperature.1111-67-7, Name is Cuprous thiocyanate, molecular formula is CCuNS. In a Patent£¬once mentioned of 1111-67-7

FUNGICIDAL MIXTURES

Disclosed is a fungicidal composition comprising (a) at least one compound selected from the compounds of Formula 1, N-oxides, and salts thereof, wherein R1, R2, Q1 and Q2 are as defined in the disclosure; and (b) at least one additional fungicidal compound. Also disclosed is a method for controlling plant diseases caused by fungal plant pathogens comprising applying to the plant or portion thereof, or to the plant seed, a fungicidally effective amount of a compound of Formula 1, an N-oxide, or salt thereof (e.g., as a component in the aforesaid composition). Also disclosed is a composition comprising: (a) at least one compound selected from the compounds of Formula 1 described above, N-oxides, and salts thereof; and at least one invertebrate pest control compound or agent.

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Reference£º
Copper catalysis in organic synthesis – NCBI,
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”

 

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Synthesis, characterization, spectroscopic and photophysical properties of new [Cu(NCS){(L-N)2 or (L?-N?N)}(PPh3)] complexes (L-N, L?-N?N = Aromatic nitrogen base)

The syntheses, spectroscopic characterization (IR, 1H and 31P NMR, ESI-MS) and conductivity studies of the mixed N,P-donor complexes of copper(I) thiocyanate: [Cu(NCS)(py)2-(PPh3)], (2), [Cu(NCS)(Mepy)(PPh3)]2, (3), [Cu(NCS)(phen)- (PPh3)], (4), [Cu(NCS)(bpy)(PPh3)], (5), [Cu(NCS)(bpy)-(PPh2py)], (6), [Cu(NCS)(py)(PPh2py)], (7), (py = pyridine; Mepy = 2-methylpyridine; phen = 1,10-phenanthroline, bpy = 2,2?-bipyridyl), together with single-crystal X-ray structural characterizations of 2, 3, 4 (new polymorph), 5 and 6 are reported, which provides an opportunity to study the effect of the introduction of a pair of nitrogen donors, both unidentate and chelate, on the bonding parameters of the Cu/NCS/P system. Cu-P and Cu-N2(ar) are found to be similar [2.1974(5) and 2.091(2), 2.070(1) A for py2 adduct 2, cf. 2.1748(9)-2.200(1) and 2.071(2)-2.106(4) A for the counterpart values for bidentate adducts 4-6]. However, Cu-N(CS) and Cu-N-C are 2.013(2) A and 157.4(2) for py2 adduct 2 and 1.946(2)-1.981(8) A and 166.7(2)-176.58(2) for bidentate counterparts 4-6. The change is attributed primarily to the closure in the N-Cu-N angle [99.58(8) for py2 2; 77.7(6)-80.5(3) for N?N-bidentate donors 4-6]. In consequence of the increased steric profile of the Mepy ligand, we find the stoichiometry diminished to 1:1:1, which resulted in the formation of [(Ph3P) MepyCu(NCSSCN)Cu(Mepy)(PPh3)] dimers. TDDFT/CPCM calculations were used to clarify the type of transitions involved in the UV/Vis absorption spectra, and the corresponding experimental photoemission data were acquired. The 31P CPMAS spectra of the copper derivatives exhibit distorted quartets that afford values for 1JCu,P. Furthermore, the quadrupole-induced distortion factors were calculated, and in the cases of 2, 4 and 5, the quadrupole coupling constants were obtained, on the basis of the X-ray structures. Wiley-VCH Verlag GmbH & Co. KGaA, 2008.

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Reference£º
Copper catalysis in organic synthesis – NCBI,
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”

 

Catalysts are substances that increase the reaction rate of a chemical reaction without being consumed in the process. category: copper-catalyst, Name is Cuprous thiocyanate, molecular formula is CCuNS, category: copper-catalyst, In a Review, authors is Fedorowicz, Joanna£¬once mentioned of category: copper-catalyst

Modifications of quinolones and fluoroquinolones: hybrid compounds and dual-action molecules

Abstract: This review is aimed to provide extensive survey of quinolones and fluoroquinolones for a variety of applications ranging from metal complexes and nanoparticle development to hybrid conjugates with therapeutic uses. The review covers the literature from the past 10?years with emphasis placed on new applications and mechanisms of pharmacological action of quinolone derivatives. The following are considered: metal complexes, nanoparticles and nanodrugs, polymers, proteins and peptides, NO donors and analogs, anionic compounds, siderophores, phosphonates, and prodrugs with enhanced lipophilicity, phototherapeutics, fluorescent compounds, triazoles, hybrid drugs, bis-quinolones, and other modifications. This review provides a comprehensive resource, summarizing a broad range of important quinolone applications with great utility as a resource concerning both chemical modifications and also novel hybrid bifunctional therapeutic agents. Graphical abstract: [Figure not available: see fulltext.].

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Reference£º
Copper catalysis in organic synthesis – NCBI,
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”

 

name: Cuprous thiocyanate, Name is Cuprous thiocyanate, belongs to copper-catalyst compound, is a common compound. name: Cuprous thiocyanateIn an article, authors is Zhang, Yu-Qiao, once mentioned the new application about name: Cuprous thiocyanate.

Monodisperse CuS nanodisks: Lowerature solvothermal synthesis and enhanced photocatalytic activity

Controllable synthesis of uniformly disk-shaped CuS nanostructures with a narrow size distribution was realized by a lowerature (150 C) solvothermal process using polyvinyl pyrrolidone (PVP) as the surfactant. Monodispersed nanodisks of pure CuS phase with an average diameter of ca. 500 nm could be obtained at a specific S/Cu molar ratio (xS/Cu) of raw materials, which was revealed to affect the phase structure and morphology of the product but the influence of PVP content (xPVP) is limited. The CuS nanodisks have a broad absorption in the visible region and superior photocatalytic performances for the degradation of RhB whose decomposition rate reaches 93% in 2 h, indicating a potential application in the field of wastewater treatment.

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Copper catalysis in organic synthesis – NCBI,
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”

 

Application of 1111-67-7, Because a catalyst decreases the height of the energy barrier, its presence increases the reaction rates of both the forward and the reverse reactions by the same amount.1111-67-7, Name is Cuprous thiocyanate, molecular formula is CCuNS. In a article£¬once mentioned of 1111-67-7

Copper(I) thiocyanate coordination polymers with dimethylpyrazine: Synthesis, crystal structures, thermal and luminescence properties

The new copper(I) coordination polymers polyl(di-mu 2-thiocyanato-N,S)-(mu2-2,5-dimethylpyrazine-N,N)] dicopper(I) (I) and poly[di-mu2-thiocyanato-N,S)-(mu 2-2,3-dimethyl-pyrazine-N,N)] dicopper(I) (II) were prepared by the reaction of copper(I) thiocyanate with 2,3- and 2,5-dimethylpyrazine in acetonitrile. In all compounds different CuSCN sub-structures are found which are connected by the dimethylpyrazine ligands to multi-dimensional coordination networks. The thermal properties of all compounds were investigated using simultaneous differential thermoanalysis (DTA), thermogravimetry (TG) and mass spectrometry (MS) as well as temperature resolved X-ray powder diffraction, On heating, compound I and II loose all of the dimethylpyrazine ligands in an endothermic reaction and transform directly into copper(I) thiocyanate. Optical investigations show two excited states for both compounds in absorption and in luminescence measurements which are both, MC and LMCT in character.

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Reference£º
Copper catalysis in organic synthesis – NCBI,
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”

 

In homogeneous catalysis, the catalyst is in the same phase as the reactant. The number of collisions between reactants and catalyst is at a maximum.In a patent, 1111-67-7, name is Cuprous thiocyanate, introducing its new discovery. Product Details of 1111-67-7

Monomere Alkin-stabilisierte Kupfer(I)-Halogenid- und Kupfer(I)-Pseudohalogenid-Verbindungen; Kristallstructur von <(eta5-C5H4SiMe3)2Ti(C<*>CPh)2>CuCl

The reaction of Me3SiC<*>CSiMe3 (1), LnMC<*>CSiMe3 (4a, LnM = Cp(CO)2Fe; 4b, LnM = Cp(CO)3Mo> and E(C<*>CR)2 (6, E = Me2Si; 8, E = (eta5-C5H4SiMe3)2Ti; R is a singly bonded organic ligand) with CuX (2) (X is a halide or pseudohalide) is described. 1 and 4 react with CuX (2a, X = Cl; 2b X = Br; 2c, X = I; 2d, X = OSO2CF3) to yield the dimeric compounds <(eta2-Me3SiC<*>CSiMe3)CuX>2 (3a, X = Cl; 3b, X = Br; 3c, X = I; 3d, X = OSO2CF3) or <(eta2-LnMC<*>CSiMe3)CuX>2 (5a, LnM = Cp(CO)2Fe, X = Cl; 5b, LnM = Cp(CO)3Mo, X = Cl) respectively.In these compounds the C2 building block is eta2-coordinated to a CuX moiety and by the formation of copper-X-bridges (Cu2X2) a dimer is formed.However, the reaction of Me2Si(C<*>CSiMe3)(C<*>CR) (6a, R = SiMe3; 6b, R = H) with CuX (2) (X = Cl, Br, OSO2CF3, O2CMe) affords polymeric CSiMe3)(eta2-C<*>CR)Cu2X2>>n (7a, R = SiMe3, X = Cl; 7b, R = SiMe3, X = Br; 7c, R = H, X = Cl; 7d, R = H, X = Br; 7e, R = SiMe3, X = OSO2CF3; 7f, R = SiMe3, X = O2CMe) in high yields.In 7a-7f each alkynyl fragment is eta2-coordinated to a CuX unit.While the reaction of 6a or 6b with CuX yields polymeric 7a-7f, the organometallic, 1,4-diyne RC<*>C--C<*>CR ( = (eta5-C5H4SiMe3)2Ti; 8a, R = Ph; 8b, R = SiMe3) affords with CuX (2a, X = Cl; 2b, X = Br; 2c, X = I; 2e, X = CN; 2f, X = SCN) the dinuclear compounds <(eta5-C5H4SiMe3)2Ti(C<*>CR)2>CuX (9a, R = Ph, X = Cl; 9b, R = SiMe3, X = Cl; 9c, R = SiMe3, X = Br; 9d, R = SiMe3, X = I; 9e, R = SiMe3, X = CN; 9f, R = SiMe3, X = SCN).Compounds 9a-9f feature a monomeric copper(I) halide or copper(I) pseudohalidemoiety, which is stabilized by the chelating effect of the alkynyl ligands on (C<*>CR)2. <(eta5-C5H4SiMe3)2Ti(C<*>CSiMe3)2>CuCl (9b) reacts with AgX (X = CN, SCN, O2CMe, O2CPh) to yield <(eta5-C5H4SiMe3)2Ti(C<*>CSiMe3)2>CuX (9e, X = CN; 9f, X = SCN; 9g, X = OC(O)Me; 9h, X = OC(O)Ph) by precipitation of AgCl.In addition, the bis(alkynyl)-ansa-titanocene <(eta5-C5H4)Me2Si(eta5-C5H3SiMe3)>Ti(C<*>CSiMe3)2 (10) yields with CuCl (2a) the dinuclear species <Ti(C<*>CSiMe3)2>CuCl (11).The identity of compounds 3, 5, 7, 9 and 11 is confirmed by analytical and spectroscopic (IR, MS, 1H, 13C NMR) data, and that of <(eta5-C5H4SiMe3)2Ti(C<*>CPh)2>CuCl (9a) is confirmed by X-ray analysis.Crystals of 9a are monoclinic, space group Pc with cell constant a = 992.6(7), b = 1210(1), c = 1335.5(7) pm, beta = 105.75(5) deg, V = 1543(2)x106 pm3 and Z = 2.Keywords: Alkynes, 1,4-Diynes; Copper(I) halides; Copper(I) pseudohalides

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Reference£º
Copper catalysis in organic synthesis – NCBI,
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”

 

Because a catalyst decreases the height of the energy barrier, Application In Synthesis of Cuprous thiocyanate, its presence increases the reaction rates of both the forward and the reverse reactions by the same amount.Application In Synthesis of Cuprous thiocyanate, Name is Cuprous thiocyanate, molecular formula is CCuNS. In a article£¬once mentioned of Application In Synthesis of Cuprous thiocyanate

Construction of [(eta5-C5Me5)MoS 3Cu3]-based supramolecular assemblies from the [(eta5-C5Me5)MoS3(CuNCS) 3]- cluster anion and multitopic ligands with different symmetries

The assembly of a new family of [(eta5-C5Me 5)MoS3Cu3]-supported supramolecular compounds from a preformed cluster [PPh4][(eta5-C 6Me5)MoS3(CuNCS)3]¡¤DMF (1¡¤DMF) with four multitopic ligands with different symmetries is described. Reactions of 1 with 1,2-bis(4-pyridyl)ethane (bpe) (Cs symmetry) or 1,4-pyrazine (1,4-pyz) (D2h symmetry) in aniline gave rise to two polymeric clusters {[{(eta5-C5Me 5)MoS3Cu3}2(NCS)3(mu- NCS)(bpe)3]¡¤3aniline}n (2) and [(eta5- C5Me5)MoS3Cu3(1,4-pyz)(mu-NCS) 2]n (3). On the other hand, solid-state reactions of 1 with 2,4,6-tri(4-pyridyl)-1,3,5-triazine (tpt) (D3h symmetry) or 5,10,15,20-tetra(4-pyridyl)-21H,23H-porphyrin (H2tpyp) (D 4h symmetry if 21H and 23H of the H2tpyp are omitted) at 100C for 12 h followed by extraction with aniline yielded another two polymeric clusters {[(eta5-C5Me5)MoS 3Cu3(tpt)(aniline)(NCS)2]¡¤0. 75aniline¡¤0.5H2O}n (4) and {[(eta5- C5Me5)MoS3Cu3(NCS)(mu-NCS)(H 2tpyp)0.4(Cu-tpyp)0.1] ¡¤2aniline¡¤2.5benzene}n (5). These compounds were characterized by elemental analysis, IR spectra, UV-vis spectra, 1H NMR, and X-ray analysis. Compound 2 consists of a 2D (6,3) network in which [(eta5-C5Me5)MoS3Cu3] cores serve both a T-shaped three-connecting node and an angular two-connecting node to interconnect other equivalent units through single bpe bridges, double bpe bridges, and mu-NCS bridges. Compound 3 has a 3D diamondlike framework in which each [(eta5-C5Me5)MoS 3Cu3] core, acting as a tetrahedral connecting node, links four other neighboring units by 1,4-pyz bridges and mu-NCS bridges. Compound 4 contains a honeycomb 2D (6,3)core(6,3)tpt network in which each cluster core, serving a trigonal-planar three-connecting node, links three pairs of equivalent cluster cores via three tpt lignads. Compound 5 has a rare scalelike 2D (4,62)core(42,6 2)ligand network in which each cluster core acts as a T-shaped three-connecting node to link with other equivalent ones through mu-NCS bridges and H2tpyp (or Cu-tpyp) ligands. The results showed that the formation of the four different multidimensional topological structures was evidently affected by the symmetry of the ligands used. In addition, the third-order nonlinear optical properties of 1-5 in aniline were also investigated by using Z-scan techniques at 532 nm.

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Reference£º
Copper catalysis in organic synthesis – NCBI,
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”

 

Electric Literature of 1111-67-7, Because a catalyst decreases the height of the energy barrier, its presence increases the reaction rates of both the forward and the reverse reactions by the same amount.1111-67-7, Name is Cuprous thiocyanate, molecular formula is CCuNS. In a article£¬once mentioned of 1111-67-7

Copper catalysed oxidation of thiosulfate by oxygen in gold leach solutions

The environmental and public concern over the continued use of cyanide in the recovery of gold has grown in recent times due to a number of recently publicised environmental incidents. Of the alternative lixiviants, thiosulfate appears to be the most promising, though the considerable amount of research conducted on thiosulfate leaching of gold over the last three decades has not resulted in its commercial introduction. Perhaps the largest contributing factor to this is the poor understanding of the thiosulfate leach solution chemistry, especially the oxidation of thiosulfate in the presence of copper(II) and oxygen. It has been shown in this research that the oxidation of thiosulfate in the presence of copper(II) and oxygen is very complex with the rates of copper(II) reduction and thiosulfate oxidation being significantly faster in the presence of oxygen. The higher initial rate of copper(II) reduction indicated that oxygen increases the rate of copper(II) reduction to copper(I) by thiosulfate, though the mechanism for this remains unclear. The rates of thiosulfate oxidation and copper(II) reduction were also shown to be affected differently by the presence of anions. This is consistent with thiosulfate oxidation occurring via two mechanisms, with one of these mechanisms involving the oxidation of thiosulfate by copper(II) and the other involving the oxidation of thiosulfate by the intermediate superoxide and hydroxide radicals formed as a result of copper(I) oxidation by oxygen. The effect of various parameters on the rate of thiosulfate oxidation and the copper(II) concentration are also shown.

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Reference£º
Copper catalysis in organic synthesis – NCBI,
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”