Category: 1111-67-7

Catalysts are substances that increase the reaction rate of a chemical reaction without being consumed in the process. Computed Properties of CCuNS, Name is Cuprous thiocyanate, molecular formula is CCuNS, Computed Properties of CCuNS, In a Article, authors is Lee, Seungyeol£¬once mentioned of Computed Properties of CCuNS

Transformation from Cu2-xS Nanodisks to Cu2-xS@CuInS2 Heteronanodisks via Cation Exchange

Cationic-exchange methods allow for the fabrication of metastable phases or shapes, which are impossible to obtain with conventional synthetic colloidal methods. Here, we present the systematic fabrication of heteronanostructured (HNS) Cu2-xS@CuInS2 nanodisks via a cationic-exchange reaction between Cu and In atoms. The indium-trioctylphosphine complex favorably attacks the lateral (16 0 0) plane of the roxbyite Cu2-xS hexagon. We explain the phenomena by estimating the formation energy of vacancies and the heat of reaction required to exchange three Cu atoms with an In atom via density functional theory calculations. In an experiment, a decrease in the amount of trioctylphosphine surfactant slows the reaction rate and allows for the formation of a lateral heterojunction structure of nanoplatelets. We analyze the exact structures of these materials using scanning transmission electron microscopy-energy dispersive X-ray spectroscopy and high-resolution transmission electron microscopy. Moreover, we demonstrate that our heteronanodisk can be an intermediate for different HNS materials; for example, adding gold precursors to a Cu2-xS@CuInS2 nanodisk results in a AuS@CuInS2 nanodisk via an additional cationic reaction between Cu ions and Au ions.

The proportionality constant is the rate constant for the particular unimolecular reaction. the reaction rate is directly proportional to the concentration of the reactant. I hope my blog about 1111-67-7 is helpful to your research. Computed Properties of CCuNS

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

 

Synthetic Route of 1111-67-7, A catalyst don’t appear in the overall stoichiometry of the reaction it catalyzes, but it must appear in at least one of the elementary reactions in the mechanism for the catalyzed reaction. Synthetic Route of 1111-67-7, Name is Cuprous thiocyanate, molecular formula is CCuNS. In a Review, authors is Pattanasattayavong, Pichaya£¬once mentioned of Synthetic Route of 1111-67-7

Electronic Properties of Copper(I) Thiocyanate (CuSCN)

With the emerging applications of copper(I) thiocyanate (CuSCN) as a transparent and solution-processable hole-transporting semiconductor in numerous opto/electronic devices, fundamental studies that cast light on the charge transport physics are essential as they provide insights critical for further materials and devices performance advancement. The aim of this article is to provide a comprehensive and up-to-date report of the electronic properties of CuSCN with key emphasis on the structure?property relationship. The article is divided into four parts. In the first section, recent works on density functional theory calculations of the electronic band structure of hexagonal beta-CuSCN are reviewed. Following this, various defects that may contribute to the conductivity of CuSCN are discussed, and newly predicted phases characterized by layered 2-dimensional-like structures are highlighted. Finally, a summary of recent studies on the band-tail states and hole transport mechanisms in solution-deposited, polycrystalline CuSCN layers is presented.

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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

Synthesis and structural characterization of seven copper(I) complexes with 3-amino-5,6-dimethyl-1,2,4-triazine and triphenylphosphine/triphenylarsine

Seven new copper(I) complexes containing 3-amino-5,6-dimethyl-1,2,4- triazine (ADMT), [Cu(mu-Cl)(ADMT)(PPh3)]2 (1), [Cu(mu-NCS)(ADMT)(PPh3)]2 (2), [Cu(ADMT)(PPh 3)2Cl] (3), [Cu(ADMT)(PPh3)2Br] (4), [Cu(mu-Cl)(ADMT)(AsPh3)]2 (5), [Cu(mu-Br)(ADMT) (AsPh3)]2 (6) and [Cu(ADMT)(AsPh3) 2I] (7) have been synthesized by the reactions of CuX (X = Cl, Br, I, SCN) with triphenylphosphine/triphenylarsine EPh3 (E = P for 1-4; E = As for 5-7) and ADMT in mixed solvents. Complexes 1-7 have been characterized by IR, NMR, luminescence, elemental analyses and X-ray diffraction. In 1, 2, 5 and 6, the intermolecular hydrogen bonds of type I R22(8) are formed by two N-H donors and two N atoms from two ADMT ligands. In 1-7, the intramolecular hydrogen bond of type II R11(6) is formed between one N-H donor from ADMT and one halide ion. In 1, 2, 5 and 6, the halide ions and thiocyanate ions bridge two copper atoms to form the parallelogram Cu2X2, which are further linked to form infinite zigzag chains along a-axis through the hydrogen bond of type I R2 2(8).

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Reference£º
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

Effects of Thiolate Ligation in Monoiron Hydrogenase (Hmd): Stability of the {Fe(CO)2}2+ Core with NNS Ligands

In this work, we report the effects of NNS-thiolate ligands and nuclearity (monomer, dimer) on the stability of iron complexes related to the active site of monoiron hydrogenase (Hmd). A thermally stable iron(II) dicarbonyl motif is the core feature of the active site, but the coordination features that lead to this property have not been independently evaluated for their contributions to the {Fe(CO)2}2+ stability. As such, non-bulky and bulky benzothiazoline ligands (thiolate precursors) were synthesized and their iron(II) complexes characterized. The use of non-bulky thiolate ligands and low-temperature crystallizations result in isolation of the dimeric species [(NNS)2Fe2(CO)2(I)2] (1), [(NPhNS)2Fe2(CO)2(I)2] (2), and [(MeNNS)2Fe2(CO)2(I)2] (3), which exhibit dimerization via thiolato (mu2-S)2 bridges. In one particular case (unsubstituted NNS ligand), the pathway of decarbonylation and oxidation from 1 was crystallographically elucidated, via isolation of the half-bis-ligated monocarbonyl dimer [(NNS)3Fe2(CO)]I (4) and the fully decarbonylated and oxidized mononuclear [(NNS)2Fe]I (5). The transformations of dicarbonyl complexes (1, 2, and 3) to monocarbonyl complexes (4, 6, and 7) were monitored by UV/vis, demonstrating that 1 and 3 exhibit longer t1/2 (80 and 75 min, respectively) than 2 (30 min), which is attributed to distortion of the ligand backbone. Density functional theory calculations of isolated complexes and putative intermediates were used to corroborate the experimentally observed IR spectra. Finally, dimerization was prevented using a bulky ligand featuring a 2,6-dimethylphenyl substituent, which affords mononuclear iron dicarbonyl complex, [(NPhNSDMPh)Fe(CO)2Br] (8), identified by IR and NMR spectroscopies. The dicarbonyl complex decomposes to the decarbonylated [(NPhNSDMPh)2Fe] (9) within minutes at room temperature. Overall, the work herein demonstrates that the thiolate moiety does not impart thermal stability to the {Fe(CO)2}2+ unit formed in the active site, further indicating the importance of the organometallic Fe-C(acyl) bond in the enzyme.

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

 

The reaction rate of a catalyzed reaction is faster than the reaction rate of the uncatalyzed reaction at the same temperature.Recommanded Product: 1111-67-7, Name is Cuprous thiocyanate, molecular formula is CCuNS, Recommanded Product: 1111-67-7. In a Article, authors is Suarez, Andres£¬once mentioned of Recommanded Product: 1111-67-7

A straightforward and mild synthesis of functionalized 3-alkynoates

Diazoacetates in coupling reactions: CuI serves as an effective catalyst for coupling terminal alkynes with diazo compounds to generate 3-alkynoates (see scheme). This method is efficient (1:1 ratio of reactants), mild (room temperature), and simple (no additional ligand), and a range of functional groups are tolerated (e.g., C-C double bonds, heteroatoms, and hydroxy groups).

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

 

Reference 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 Article£¬once mentioned of 1111-67-7

Copper and Gold Cyclic (Alkyl)(amino)carbene Complexes with Sub-Microsecond Photoemissions: Structure and Substituent Effects on Redox and Luminescent Properties

Copper and gold halide and pseudo-halide complexes stabilised by methyl-, ethyl- and adamantyl-substituted cyclic (alkyl)(amino)carbene (CAAC) ligands are mostly linear monomers in the solid state, without aurophilic Au???Au interactions. (Et2L)CuCl shows the highest photoluminescence quantum yield (PLQY) in the series, 70 %. The photoemissions of Me2L and Et2L copper halide complexes show S1?S0 fluorescence on the ns time scale, in agreement with theory, as well as a long-lived emission. Monomeric (Me2L)CuNCS is a white emitter, whereas dimeric [(Et2L)Cu(mu-NCS)]2 shows intense yellow emission with a photoluminescence (PL) quantum yield of 49 %. The reaction of (AdL)MCl (M=Cu or Au) with phenols ArOH (Ar=Ph, 2,6-F2C6H3, 2,6-Me2C6H3, 3,5-tBu2C6H3, 2-tBu-5-MeC6H3, 2-pyridyl), thiophenol, or aromatic amines H2NAr?? (Ar?=Ph, 3,5-(CF3)2C6H3, C6F5, 2-py) afforded the corresponding phenolato, thiophenolato and amido complexes. Although the emission wavelengths are only marginally affected by the ring substitution pattern, the PL intensities respond sensitively to the presence of substituents in the ortho or meta positions. In gold aryloxides, PL is controlled by steric factors, with strong luminescence in compounds with Au-O-C-C torsion angles <50. Calculations confirm the dependence of oscillator strength on the torsion angle, as well as the inter-ligand charge transfer nature of the emission. The HOMO/LUMO energy levels were estimated based on first reduction and oxidation potentials. Reference of 1111-67-7, If you are hungry for even more, make sure to check my other article about Reference of 1111-67-7

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, HPLC of Formula: CCuNS, its presence increases the reaction rates of both the forward and the reverse reactions by the same amount.HPLC of Formula: CCuNS, Name is Cuprous thiocyanate, molecular formula is CCuNS. In a article£¬once mentioned of HPLC of Formula: CCuNS

Room temperature dissolution of metal powders by thiourea: A novel route to transition metal isothiocyanate complexes

A new synthetic route to isothiocyanate containing materials is presented.

The proportionality constant is the rate constant for the particular unimolecular reaction. the reaction rate is directly proportional to the concentration of the reactant. I hope my blog about 1111-67-7 is helpful to your research. HPLC of Formula: CCuNS

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

 

Reference of 1111-67-7, A catalyst don’t appear in the overall stoichiometry of the reaction it catalyzes, but it must appear in at least one of the elementary reactions in the mechanism for the catalyzed reaction. 1111-67-7, Name is Cuprous thiocyanate, molecular formula is CCuNS. In a Article£¬once mentioned of 1111-67-7

Synthesis and Structural Studies of Some Mixed Ligand Bimetallic Tetrathiocyanato Complexes

Bimetallic tetrathiocyanato complex having the formula Ni(NCS)2(PPh3)2Cu2(SCN)2 has been synthesized and used as Lewis acid.It was reacted with a number of Lewis bases.The ligands become coordinated to nickel.The structures of these complexes are proposed on the basis of ir spectra, electronic spectra, conductance and magnetic moment values.The total softness values of Cu(I) and Ni(II) have also been evaluated and the difference used for establishing the nature of bonding in the complexes.

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Reference£º
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

Electrochemical Characterization of CuSCN Hole-Extracting Thin Films for Perovskite Photovoltaics

CuSCN thin films (optimized previously for perovskite photovoltaics) are deposited on glass, F:SnO2 (FTO), Au, glass-like carbon (GC), and reduced graphene oxide (rGO). They exhibit capacitive charging in an electrochemical window from ca. -0.3 to 0.2 V vs Ag/AgCl. Outside this window, CuSCN film is prone to chemical and structural changes. Anodic breakdown (at ca. 0.5 V) causes restructuring into submicrometer particles and denuding of the substrate. The natural p-doping is demonstrated by both the Hall effect and Mott-Schottky plots from electrochemical impedance. The corresponding flatband potentials (in V vs Ag/AgCl) varied with the substrate type as follows: 0.12 V (CuSCN@FTO), 0.08 V (CuSCN@Au), -0.02 V (CuSCN@GC), and 0.00 V (CuSCN@rGO). The acceptor concentrations determined from electrochemical impedance spectroscopy are by orders of magnitude larger than those from electrical conductivity and the Hall effect, the latter being regarded correct. Raman spectra confirm that thiocyanate is the dominating structural motif over the isomeric isothiocyanate. In situ Raman spectroelectrochemistry discloses substrate-specific intensity changes upon electrochemical charging. The blocking function is tested by a newly designed redox probe, Ru(NH3)63+/2+. It not only has the appropriate redox potential for testing of the CuSCN films but also avoids complications of the standard “ferrocyanide test” which is normally used for this purpose. The perovskite solar cells exhibit better solar conversion efficiency, fill factor, and open-circuit voltage for the rGO-containing devices, which is ascribed to a larger driving force for the hole injection from CuSCN into rGO.

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

 

Reference 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

Process for the preparation of organic isocyanate compounds

A process for preparing organic isocyanate compounds characterized by reacting a chloromethyl group-containing compound having the formula: wherein X, which can be the same or different, is chlorine, alkyl, cycloalkyl, alkenyl, phenyl, chloromethylphenyl or chloromethyl, n is 0 or an integer of 1 to 3, and R is an aromatic hydrocarbon radical or an olefin radical, With an alkali cyanate, in the presence of a catalyst composition comprising (a) a cuprous salt in an amount of 0.1 to 20% by weight, based on said chloromethyl group-containing compound, and (b) a tertiary amine compound or quaternary ammonium compound in an amount equivalent to 0.05 to 1.25 gram atoms of nitrogen per gram mole of said cuprous salt, in a high-boiling-point solvent having a dieelectric constant (epsilon) not higher than 20, at a reaction temperature of 150 to 250 C, for 0.1 to 10 hours.

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