نتایج جستجو برای: cu2o

تعداد نتایج: 1199  

2008
Hoon Kim Harish B. Bhandari Sheng Xu Roy G. Gordon

Cu seed layers for future interconnects must have conformal step coverage, smooth surface morphology, and strong adhesion. Conformal deposition had been achieved by chemical vapor deposition CVD , but CVD Cu films have rough surfaces and poor adhesion. In this paper, conformal, smooth, adherent, continuous, and thin 9 nm Cu films were made by CVD. CuON was deposited from a Cu-amidinate precurso...

2016
Sambhaji M. Pawar Jongmin Kim Akbar I. Inamdar Hyeonseok Woo Yongcheol Jo Bharati S. Pawar Sangeun Cho Hyungsang Kim Hyunsik Im

This work reports on the concurrent electrochemical energy storage and conversion characteristics of granular copper oxide electrode films prepared using reactive radio-frequency magnetron sputtering at room temperature under different oxygen environments. The obtained films are characterized in terms of their structural, morphological, and compositional properties. X-ray diffraction, X-ray pho...

Journal: :The Journal of chemical physics 2016
Abhishek Kumar Mishra Alberto Roldan Nora H de Leeuw

Copper has many applications, particularly in electro-catalysis, where the oxidation state of the copper electrode plays a significant role in the selectivity towards products. Although copper-based materials have clear potential as catalysts in the reduction of CO2 and conversion to products, fundamental understanding of CO2 adsorption and activation on different copper oxide surfaces is still...

Journal: :Journal of Scientific Research 2022

Composites of nanometre-sized copper core–copper oxide (Cu-Cu2O) shell with different diameters were synthesized by a facile one step co-solvent technique. By the analysis X-ray diffraction (XRD) and transmission electron microscope (TEM) data, resultant particles confirmed to be pure nanocrystalline in nature. The perfect core-shell structure Cu-Cu2O was using high resolution TEM. presence Cu ...

2013
Lijiao Hu Yang Ju Atsushi Hosoi Yongpeng Tang

Cu2O flower/grass-like nanoarchitectures (FGLNAs) were fabricated directly on two category specimens of Cu foils and Cu film using thermal oxidation method. The FGLNAs are approximately 3.5 to 12 μm in size, and their petals are approximately 50 to 950 nm in width. The high compressive stress caused by a large oxide volume in the Cu2O layer on the specimen surface played an important role in th...

Journal: :Energies 2021

In this work, copper oxides-based photocathodes for photoelectrochemical cells (PEC) were produced the first time by screen printing. A total 7 × 10−3 g/m2 glycerine trioleate was found as optimum deflocculant amount to assure stable and homogeneous inks, based on CuO nano-powder. The inks formulated considering different binder amounts deposited producing films with homogenous thickness, micro...

2016
Michelle A. Nguyen Elsayed M. Zahran Azaan S. Wilbon Alexander V. Besmer Vincent J. Cendan William A. Ranson Randy L. Lawrence Joshua L. Cohn Leonidas G. Bachas Marc R. Knecht

We report a synthetic approach to form cubic Cu2O/Pd composite structures and demonstrate their use as photocatalytic materials for tandem catalysis. Pd nanoparticles were deposited onto Cu2O cubes, and their tandem catalytic reactivity was studied via the reductive dehalogenation of polychlorinated biphenyls. The Pd content of the materials was gradually increased to examine its influence on p...

Journal: :Bioelectrochemistry 2014
Blanca E Torres Bautista Maria L Carvalho Antoine Seyeux Sandrine Zanna Pierangela Cristiani Bernard Tribollet Philippe Marcus Isabelle Frateur

Copper alloys often used in cooling circuits of industrial plants can be affected by biocorrosion induced by biofilm formation. The objective of this work was to study the influence of protein adsorption, which is the first step in biofilm formation, on the electrochemical behavior of 70Cu-30Ni (wt.%) alloy in static artificial seawater and on the chemical composition of oxide layers. For that ...

Journal: :Energies 2023

Solar conversion devices are generally connected with energy storage systems to overcome the influence of sunlight variability. Developing an integrated solar and device is attractive approach compensate for loss directly connecting these separate devices. In this work, a photocapacitive developed based on Cu2O/CuO heterostructure, Cu2O as light absorber CuO providing platform electron ion stor...

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