Synthesis and characterization of some Alkoxide Derivatives of Copper(II)

Singh, Jagvir; Baranwal, B. P.; Mehrotra, R. C.

doi:10.1002/zaac.19814770633

Cited by 47 publications

(19 citation statements)

References 7 publications

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“…[8] The copper center is coordinated by two nitrogen N,N¢ and two oxygen atoms O,O¢ in a trans fashion. The Cu±N and Cu±O distances (2.0684(19) , 1.8667 (17) ) are comparable with the analogous distances in 2 (Cu±N: 2.052(3) , Cu±O: 1.865 (3) ) and that of Cu{OCH-(CH 2 NMe 2 ) 2 } 2 (2.060(4) , 1.851(4) ). [10] The bond an- …”

Section: Precursor Synthesis and Structural Characterizationsupporting

confidence: 69%

“…The amino alcohols were purchased from Aldrich (1-diethyl amino-2-propanol) and Acros (1-dimethyl amino-2-propanol) and used after distillation. Starting materials not available from commercial sources were synthesized according to the literature, i.e., Cu(OMe) 2 [17]. Elemental analyses were provided by the Service Center of the Faculty of Chemistry at the Ruhr-University of Bochum (AAS: Vario 6 1998; EA: CHNSO Vario EL 1998).…”

Section: Methodsmentioning

confidence: 99%

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A Study on the Metal Organic CVD of Pure Copper Films from Low Cost Copper(II) Dialkylamino‐2‐propoxides: Tuning the Thermal Properties of the Precursor by Small Variations of the Ligand

Becker

Devi

Weiß

et al. 2003

Chemical Vapor Deposition

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Pure copper metal thin films were grown on SiO 2 /Si(100) substrates by metal±organic (MO) CVD in a horizontal cold-wall reactor employing the two metal±organic compounds, Cu(OCHMeCH 2 NR 2 ) 2 , where R = Et (1) and R = Me (2) as precursors. Thermogravimetric analyses proved them to be convenient compounds for the deposition of copper without a reducing agent. Depositions were carried out at various substrate temperatures in the range 230±350 C. X-ray diffraction (XRD) indicated that the resulting films were highly crystalline and showed a strong (111) preferred orientation, which increased with increasing deposition temperature. Photoelectron spectroscopy (XPS) revealed that copper films deposited at 230 C and 260 C consisted solely of metallic copper with no detectable carbon, nitrogen, or oxygen contamination. Copper films obtained from 1 at 260 C had a resistivity of 2.16 lX cm.

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Section: Precursor Synthesis and Structural Characterizationsupporting

confidence: 69%

Section: Methodsmentioning

confidence: 99%

A Study on the Metal Organic CVD of Pure Copper Films from Low Cost Copper(II) Dialkylamino‐2‐propoxides: Tuning the Thermal Properties of the Precursor by Small Variations of the Ligand

Becker

Devi

Weiß

et al. 2003

Chemical Vapor Deposition

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“…Cu(OMe) 2 . 10.86 g (80.8 mmol) brown CuCl 2 was dissolved in 100 mL methanol resulting in a clear green solution.…”

Section: Methodsmentioning

confidence: 99%

Novel Synthesis of Anhydrous and Hydroxylated CuF₂ Nanoparticles and Their Potential for Lithium Ion Batteries

Krahl

Winkelmann

Martin

et al. 2018

Chemistry A European J

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Anhydrous nanoscopic CuF is synthesized from alkoxides Cu(OR) (R=Me, tBu) by their reaction either in pure liquid HF at -70 °C, or under solvothermal conditions at 150 °C using excess HF and THF as solvent. Depending on the synthesis method, nanoparticles of sizes between 10 and 100 nm are obtained. The compound is highly hygroscopic and forms different hydrolysis products under moist air, namely CuF ⋅2 H O, Cu (OH)F , and Cu(OH)F, of which only the latter is stable at room temperature. CuF exhibits an electrochemical plateau at a potential of ≈2.7 V when cycled versus Li in half cell Li-ion batteries, which is attributed to a non-reversible conversion mechanism. The cell capacity in the first cycle depends on the particle size, being 468 mAh g for ≈8 nm crystallite diameter, and 353 mAh g for ≈12 nm crystallite diameter, referred to CuF . However, such a high capacity cannot be sustained for several cycles and the capacity rapidly fades out. The cell voltage decreases to ≈2.0 V for CuF ⋅2 H O, Cu (OH)F , and Cu(OH)F. As all the compounds studied in this work show irreversible conversion reactions, it can be concluded that copper-based fluorides are unsuitable for Li-ion battery applications.

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“…17 Commercially available 2-dimethylaminoethanol (Kanto Chemical Co., Inc.) as a modifier of Cu alkoxide was used without further purification. Bi(O-zC 3 H 7 ) 3 was commercially obtained (High Purity Chemicals Co., Ltd.).…”

Section: A Starting Materialsmentioning

confidence: 99%

Bi–Sr–Ca–Cu–O superconducting films fabricated using metal alkoxides

Katayama¹,

Sato²

1991

J. Mater. Res.

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Superconducting films in the Bi-Sr-Ca-Cu-O systems were made using metal alkoxides. To prepare a dip-coating solution using a mixed alkoxide solution, insoluble Cu and Bi alkoxides were dissolved by modification with 2-dimethylaminoethanol and formation of a double alkoxide, respectively. Formation of the double alkoxides of Bi with Ca or Sr was confirmed using FT-IR and 'H-NMR. Bi-Sr-Ca-Cu-O films on yttria-stabilized ZrO 2 and single crystal MgO(lOO) substrates were made using this solution. The films were closely oriented along the c-axis perpendicular to the substrate. The film on MgO(lOO) fired at 850 °C for 48 h showed two resistance drops around 115 and 85 K, corresponding to the high-r c and low-r c phases, respectively, and zero resistance at 72 K.

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Synthesis and characterization of some Alkoxide Derivatives of Copper(II)

Cited by 47 publications

References 7 publications

A Study on the Metal Organic CVD of Pure Copper Films from Low Cost Copper(II) Dialkylamino‐2‐propoxides: Tuning the Thermal Properties of the Precursor by Small Variations of the Ligand

A Study on the Metal Organic CVD of Pure Copper Films from Low Cost Copper(II) Dialkylamino‐2‐propoxides: Tuning the Thermal Properties of the Precursor by Small Variations of the Ligand

Novel Synthesis of Anhydrous and Hydroxylated CuF₂ Nanoparticles and Their Potential for Lithium Ion Batteries

Bi–Sr–Ca–Cu–O superconducting films fabricated using metal alkoxides

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Synthesis and characterization of some Alkoxide Derivatives of Copper(II)

Cited by 47 publications

References 7 publications

A Study on the Metal Organic CVD of Pure Copper Films from Low Cost Copper(II) Dialkylamino‐2‐propoxides: Tuning the Thermal Properties of the Precursor by Small Variations of the Ligand

A Study on the Metal Organic CVD of Pure Copper Films from Low Cost Copper(II) Dialkylamino‐2‐propoxides: Tuning the Thermal Properties of the Precursor by Small Variations of the Ligand

Novel Synthesis of Anhydrous and Hydroxylated CuF2 Nanoparticles and Their Potential for Lithium Ion Batteries

Bi–Sr–Ca–Cu–O superconducting films fabricated using metal alkoxides

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Novel Synthesis of Anhydrous and Hydroxylated CuF₂ Nanoparticles and Their Potential for Lithium Ion Batteries