Academic literature on the topic 'CuO nano-clusters'

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Journal articles on the topic "CuO nano-clusters"

1

Chen, Hao Long, Zin Ching Liou, and Shian Jang Lin. "Oxygen Plasma Induced ZnO-CuO Nanostructure Growth on a Brass Substrate by Atmospheric-Pressure Plasma Jet." Materials Science Forum 688 (June 2011): 186–90. http://dx.doi.org/10.4028/www.scientific.net/msf.688.186.

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A convenient method for direct and large-area growth of one-dimensional (1-D) CuO and ZnO nanostructures on a conductive brass substrate has been developed. The ZnO and CuO nanostructures have been simultaneously induced and growth on a brass (70Cu-30Zn alloy) substrate by using an atmospheric-pressure plasma jet (APPJ) with pure oxygen as the reaction gas in an ambient environment. Various one-dimensional (1-D) nanostructures such as nano-particles, nanowires, nanobelts, nanocombs, and nanosheets have been in situ grown on the brass substrates under different plasma treatment times. The plasm
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2

Suneel, Kumar Dandabattina, Oruganti Baswanth, Thaticharla Kaleswararao, Sen Anik, and Duvvuri Suryakala. "In silico studies to understand the adsorbent properties of CuO nano-clusters for toxic water soluble dyes." Journal of Indian Chemical Society Vol. 97, No. 9b, Sept 2020 (2020): 1531–38. https://doi.org/10.5281/zenodo.5657064.

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Department of Chemistry, GITAM Institute of Science, GITAM University (Deemed to be), Visakhapatnam-530 045, Andhra Pradesh, India <em>E-mail:</em> duvvurisuryakala@gmail.com <em>Manuscript received online 01 July 2020, accepted 31 August 2020</em> Structural analysis of extraordinary efficient CuO-CTAB (cetyl trimethyl ammonium bromide) and CuO-SDS (sodium dodecyl sulphate) nanoparticles and their adsorbing efficiency of significant dyes in aqueous media like Methylene blue, Rhodamine B and Congo red have been calculated using DFT calculations and compared with experimental studies. Structure
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Yamaguchi, Akinobu, Ikuo Okada, Takao Fukuoka, Mari Ishihara, Ikuya Sakurai, and Yuichi Utsumi. "One-Step Synthesis of Copper and Cupric Oxide Particles from the Liquid Phase by X-Ray Radiolysis Using Synchrotron Radiation." Journal of Nanomaterials 2016 (2016): 1–16. http://dx.doi.org/10.1155/2016/8584304.

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The deposition of copper (Cu) and cupric oxide (Cu4O3, Cu2O, and CuO) particles in an aqueous copper sulfate (CuSO4) solution with additive alcohol such as methanol, ethanol, 2-propanol, and ethylene glycol has been studied by X-ray exposure from synchrotron radiation. An attenuated X-ray radiation time of 5 min allows for the synthesis of Cu, Cu4O3, Cu2O, and CuO nano/microscale particles and their aggregation into clusters. The morphology and composition of the synthesized Cu/cupric oxide particle clusters were characterized by scanning electron microscopy, scanning transmission electron mic
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4

Yahia, I. S., G. F. Salem, M. S. Abd El-sadek, and F. Yakuphanoglu. "Optical properties of Al-CdO nano-clusters thin films." Superlattices and Microstructures 64 (December 2013): 178–84. http://dx.doi.org/10.1016/j.spmi.2013.09.024.

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5

Ligt, Bianca, Floriane A. Rollier, Tim Wissink, et al. "Insights into the Structure and Activity of Bimetallic Au/Cu2O Catalysts during CO2 Electroreduction to C2 products." ECS Meeting Abstracts MA2024-01, no. 37 (2024): 2135. http://dx.doi.org/10.1149/ma2024-01372135mtgabs.

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Despite its promising performance for C2+ product formation in electrochemical reduction of CO2 (CO2RR), Cu-based catalysts exhibit a relatively poor selectivity towards important chemical intermediates such as ethylene and ethanol. Up to 16 different products can typically be formed during CO2RR.1 Cu is the only element that can form C-C bonds at an appreciable rate.2 Therefore, it is critical to better understand the active sites of Cu-based electrocatalysts, as it can lead to better catalyst design with improved selectivity towards desired products. A common approach is to investigate the r
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Hatzor-De Picciotto, A., A. D. Wissner-Gross, G. Lavallee, and P. S. Weiss. "Arrays of Cu2+-complexed organic clusters grown on gold nano dots." Journal of Experimental Nanoscience 2, no. 1-2 (2007): 3–11. http://dx.doi.org/10.1080/17458080600925807.

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7

Tanaka, Kenichi, and Xiao Hong Jiang. "Nano-Size Surface Materials Stabilized by Weak Interaction." Materials Science Forum 614 (March 2009): 21–26. http://dx.doi.org/10.4028/www.scientific.net/msf.614.21.

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Scanning tunneling microscopy (STM) proved the existence of quasi-compounds on solid surfaces. A typical example is (-Ag-O-) or (-Cu-O-) chains grown on Ag(110) or Cu(110) surface by exposing to O2. The (-Ag-O-) chains on a Ag(110) reacts with Cu atoms to form a new quasi-compound of (-Cu-O-) chains on the Ag(110) surface. The (-Cu-O-) on the Ag(110) readily decomposes at ca. 570ºK to form Cu6 dots, and a reversible reaction of (Cu2)3 + O2. ↔ (-Cu-O-) takes place by exposing to O2. Deposited Zn, Sn and Ag atoms on a Si(111)-7x7 surface stabilize by forming Zn3, Sn2 and Sn, and Ag in a half uni
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8

Shen, Hui, Lingzheng Wang, Omar López-Estrada, et al. "Copper-hydride nanoclusters with enhanced stability by N-heterocyclic carbenes." Nano Research 14, no. 9 (2021): 3303–8. http://dx.doi.org/10.1007/s12274-021-3389-9.

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AbstractCopper-hydrides have been intensively studied for a long time due to their utilization in a variety of technologically important chemical transformations. Nevertheless, poor stability of the species severely hinders its isolation, storage and operation, which is worse for nano-sized ones. We report here an unprecedented strategy to access to ultrastable copper-hydride nanoclusters (NCs), namely, using bidentate N-heterocyclic carbenes as stabilizing ligands in addition to thiolates. In this work, a simple synthetic protocol was developed to synthesize the first large copper-hydride nan
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Ranc, Václav, Vladimír Havlíček, Petr Bednář, and Karel Lemr. "Nanoelectrospray versus electrospray in chiral analysis by the kinetic method." Collection of Czechoslovak Chemical Communications 74, no. 2 (2009): 313–22. http://dx.doi.org/10.1135/cccc2008201.

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Electrospray ionization generates trimeric diastereoisomeric clusters as the first important step in chiral analysis by mass spectrometry using the Cooks′ kinetic method. Cu2+ and L-tryptophan were used as a central metal and as a chiral reference ligand, respectively. The comparison of electrospray and nanoelectrospray showed that although the electrospray system was generally more robust, the application of nanoelectrospray was essential for performing successful analysis in some cases, especially for real samples. Basically, no significant differences between the ion sources were observed f
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Chen, Xiao Feng, Ying Jun Wang, Na Ru Zhao, et al. "Microstructure and Bio-Mineralization Behavior of the Sol-Gel Derived Bioactive Materials." Key Engineering Materials 280-283 (February 2007): 1609–12. http://dx.doi.org/10.4028/www.scientific.net/kem.280-283.1609.

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The biomaterials in system CaO-P2O5-SiO2 were synthesized via sol-gel method. The biomaterials can be applied to bone reparation and bone tissue engineering scaffolds The nano-pore structure, degradability, bioactivity and bio-mineralization characteristic of the biomaterials were investigated in details using XRD, SEM/EDX, FTIR, BET and DSC/TG techniques. It was indicated that the sol-gel derived biomaterials have a higher bioactivity than that of the melt derived bioactive glasses or glass-ceramics. It just takes 4-8 hours for HCA to form on the surface of the sol-gel samples in SBF solution
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