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Photocatalytic carbon dioxide reduction by copper oxide

Amorphous copper oxide (Cu(II)) nanoclusters function as efficient electrocatalysts for the reduction of carbon dioxide (CO2) to carbon monoxide (CO). In addition to promoting electrocatalytic activity, Cu(II) nanoclusters act as efficient cocatalyts for CO2 photoreduction when grafted onto the surf

Preparation of amorphous copper chromium oxides

2018-12-1  Herein, we have synthesized high specific surface amorphous copper-chromium mixed oxides by propylene oxide aided sol-gel method, whose catalytic activity was explored in selective oxidation of cyclohexane. The cyclohexane conversion and KA-oil selectivity were obtained as 67.3% and 92.4% respectively, using H 2 O 2 as the oxygen source at 65

Gas‐Sensing Activity of Amorphous Copper

2020-1-17  The gas-sensing properties of copper oxide porous nanosheets in amorphous and highly crystalline states were comparatively investigated on

Tuning Size and Reducibility of Copper Oxide

2016-6-27  Copper oxide particles were examined by temperature-programmed reduction. Amorphous copper oxide particles showed a single H 2

Photocatalytic Carbon Dioxide Reduction by Copper Oxide

2015-2-12  Amorphous copper oxide (Cu(II)) nanoclusters function as efficient electrocatalysts for the reduction of carbon dioxide (CO 2) to carbon monoxide (CO).In addition to promoting electrocatalytic activity, Cu(II) nanoclusters act as efficient cocatalyts for CO 2 photoreduction when grafted onto the surface of a semiconductor (light harvester), such as niobate (Nb 3 O 8

In-situ conversion of amorphous carbon to graphene

2021-12-1  Facile fabrication of reduced graphene oxide encapsulated copper spherical particles with 3D architecture and high oxidation resistance RSC Adv.,4 ( 2014 ),pp. 58005 58010,10.1039/C4RA08608B

Graphene Oxide Wrapped Amorphous Copper

2015-8-7  Herein, we fabricate an amorphous copper vanadaium oxide decorated with graphene oxide (denoted as a-CVO-GO) through a facile and

Effect of deposition potential and annealing on

2022-1-1  Recently, the researchers have focused towards less expensive and environmental friendly materials such as copper oxide (cuprous oxide (Cu 2 O) and cupric oxide (CuO) as well as copper hydroxide) due to its multiple oxidation states, high theoretical density (6.0 g/cm 3), fast faradic redox reaction.The good electrochemical performance confirms its potential to replace

Reduced graphene oxide decorated amorphous NiS2

2021-6-22  To solve the above issues, we meticulously prepare reduced graphene oxide supporting amorphous NiS 2 nanosheets (NiS 2 /rGO) composite by hydrothermal method. When used as anodes for sodium-ion battery, NiS 2 /rGO exhibits excellent specific capacity of 343.9 mA h g −1 at 0.1 A g −1 after 50 cycles. The structural evolution and

Ultra-small amorphous MoS2 decorated

2022-1-14  Ultra-small amorphous MoS 2 decorated reduced graphene oxide for supercapacitor application. Poulami Hota a, Milon Miah a, 1, Saptasree Bose a, 1, Diptiman Dinda a, b, Uttam K. Ghorai c, Yan-Kuin Su d, Shyamal K. Saha a, *

Graphene Oxide Wrapped Amorphous Copper

2021-4-14  The amorphous copper vanadium oxide nanofl owers can be obtained by vacuum dehydration of the Cu 3 V 2 O 7 (OH) 2. H 2 O nanofl owers at 250 °C. X-ray diffraction (XRD) pattern of the a-CVO-GO shows no obvious peaks, indicating the poor-crystalline or amorphous nature ( Figure 2 A). o indentify

Graphene Oxide Wrapped Amorphous Copper Vanadium

2015-8-7  Graphene Oxide Wrapped Amorphous Copper Vanadium Oxide with Enhanced Capacitive Behavior for High‐Rate and Long‐Life Lithium‐Ion Battery Anodes. Adv. Sci., 2: 1500154. doi: 10.1002/advs.201500154 [Europe PMC free article] [Google Scholar]

Determination of the optical band gap for amorphous

quality copper oxide amorphous and nanocrystalline films by this low cost technique suitable for solar cell application. Studying the effect of annealing on the optical and structural properties is the main target of our investigation. 2. Experimental High

Dispersion and reactivity of copper catalysts supported on

Well-dispersed copper oxide species were reduced more easily than large copper oxide species by H(2). The results of CO(2) TPD suggest that the basicity of the catalysts was found to increase with an increase of copper loading up to 5.0 wt % and decreases with a

Adhesion Quantification of Post-CMP Copper to

2004-4-2  copper to an amorphous silicon nitride passivation film. Hydrogen, ammonia, and nitrogen plasma treatments of the post-CMP copper surface may be employed to not only remove the oxide, shown by auger electron spectroscopy, but also to increase the surface roughness of copper, shown by atomic force microscopy.

Unique copper and reduced graphene oxide

2017-6-9  Hossain, M.N., Wen, J. & Chen, A. Unique copper and reduced graphene oxide nanocomposite toward the efficient electrochemical reduction of carbon dioxide. Sci Rep 7, 3184 (2017). https://doi

(PDF) Surface Oxidation and Crystallization of FeNi-Based

2020-3-31  An adherent amorphous oxide of roughly 15–20 nm in thickness is observed on the wheel side of the ribbon, enriched in Fe relative to Ni

Near-infrared–driven decomposition of metal precursors

Most amorphous metal oxide films reported in the literature are formed by electrodeposition (4–7), sputtering (), thermal decomposition (3, 14), or ultraviolet (UV) light–driven decomposition of metal precursors.Although films prepared by these methods can demonstrate state-of-the-art electrocatalytic OER activities (15–20), the syntheses are not necessarily amenable to scalable

(PDF) Gas‐Sensing Activity of Amorphous

2020-1-17  In this paper, the gas‐sensing properties of copper oxide porous nanosheets in amorphous and highly crystalline states were comparatively investigated on the premise of almost the same specific

Graphene Oxide Wrapped Amorphous Copper

2021-4-14  The amorphous copper vanadium oxide nanofl owers can be obtained by vacuum dehydration of the Cu 3 V 2 O 7 (OH) 2. H 2 O nanofl owers at 250 °C. X-ray diffraction (XRD) pattern of the a-CVO-GO shows no obvious peaks, indicating the poor-crystalline or amorphous nature ( Figure 2 A). o indentify

Amorphous TaxMnyOz Layer as a Diffusion

2019-12-27  An amorphous TaxMnyOz layer with 1.0 nm thickness was studied as an alternative Cu diffusion barrier for advanced interconnect. The thermal and electrical stabilities of the 1.0-nm-thick TaxMnyOz

Unique copper and reduced graphene oxide

2017-6-9  Hossain, M.N., Wen, J. & Chen, A. Unique copper and reduced graphene oxide nanocomposite toward the efficient electrochemical reduction of carbon dioxide. Sci Rep 7, 3184 (2017). https://doi

Iron Oxide Nanoparticle-Induced Neoplastic-Like Cell

Iron Oxide Nanoparticle-Induced Neoplastic-Like Cell Transformation in Vitro Is Reduced with a Protective Amorphous Silica Coating Chem Res Toxicol . 2019 Dec 16;32(12):2382-2397. doi: 10.1021/acs.chemrestox.9b00118.

Fabrication and Degradation Properties of Nanoporous

2021-2-2  3D bicontinuous nanoporous copper (NPC) with tunable structure was facilely synthesized by one-step chemical dealloying of Ti-Cu amorphous alloys with minor Co addition (0, 4 and 6 at.%). As-dealloyed NPC shows a sandwich-like hierarchical porous structure with micropore in the inner layer and mesopore in the outer layer. The pore size of NPC can be

TFT Technology: Advancements and

2020-3-30  The best p-type oxide candidates to date are (arguably) copper oxide (Cu2O) and tin monoxide (SnO). 17 These oxides are polycrystalline, not amorphous, which doesn't bode well for future scaling to large glass substrate

High‐Performance All‐Solid‐State Lithium–Sulfur Batteries

2017-5-11  A ≈2 nm amorphous sulfur-coated reduced graphene oxide composite is employed in all-solid-state lithium–sulfur batteries. The composite can significantly reduce the interface resistance and stress/st...

Transition Metal Oxides on Reduced Graphene Oxide

Transition metal oxides on reduced graphene oxide ([email protected]) nanocomposites were successfully prepared via a very simple one-step solvothermal process, involving the simultaneous (thermal) reduction of graphene oxide to graphene and the deposition of TMO nanoparticles over its surface. Texture and morphology, microstructure, and chemical and

Bimetallic Au–Cu, Ag–Cu/CrAl3O6 Catalysts for Methanol

2009-4-10  The influence of silver and gold addition on the activity and physicochemical properties of supported Cu/CrAl3O6 catalysts was the aim of this work. The reduction of CrAl3O6 support shows only one reduction stage attributed to Cr (VI) species reduction originating from previously oxidized binary oxide. Supported copper catalysts reduce in one or two stages