Bibliographies thématiques / Boron-doped CuO

Littérature scientifique sur le sujet « Boron-doped CuO »

Auteur : Grafiati
Publié le 14 mars 2023

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Articles de revues sur le sujet "Boron-doped CuO"

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Wan, Qiang, Jianling Zhang, Bingxing Zhang, Dongxing Tan, Lei Yao, Lirong Zheng, Fanyu Zhang, Lifei Liu, Xiuyan Cheng et Buxing Han. « Boron-doped CuO nanobundles for electroreduction of carbon dioxide to ethylene ». Green Chemistry 22, no 9 (2020) : 2750–54. http://dx.doi.org/10.1039/d0gc00730g.

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Herein, we synthesize B-doped CuO nanobundles for electrocatalytic CO2 reduction. Ethylene is the only multi-carbon product and a maximum ethylene faradaic efficiency (FE) of 58.4% can be achieved at −1.1 V (versus the reversible hydrogen electrode).
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Koysuren, Hafize Nagehan, et Ozcan Koysuren. « Photocatalytic Activity of Boron Doped CuO and Its Composite with Polyaniline ». Polymer-Plastics Technology and Materials 62, no 3 (21 août 2022) : 281–93. http://dx.doi.org/10.1080/25740881.2022.2113894.

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Li, Min, Xiaoying Yin, Hongli Shan, Chenting Meng, Shengxue Chen et Yinan Yan. « The Facile Preparation of PBA-GO-CuO-Modified Electrochemical Biosensor Used for the Measurement of α-Amylase Inhibitors’ Activity ». Molecules 27, no 8 (7 avril 2022) : 2395. http://dx.doi.org/10.3390/molecules27082395.

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Element doping and nanoparticle decoration of graphene is an effective strategy to fabricate biosensor electrodes for specific biomedical signal detections. In this study, a novel nonenzymatic glucose sensor electrode was developed with copper oxide (CuO) and boron-doped graphene oxide (B-GO), which was firstly used to reveal rhubarb extraction’s inhibitive activity toward α-amylase. The 1-pyreneboronic acid (PBA)-GO-CuO nanocomposite was prepared by a hydrothermal method, and its successful boron doping was confirmed by transmission electron microscopy (TEM) and X-ray photoelectron spectroscopy (XPS), in which the boron doping rate is unprecedentedly up to 9.6%. The CuO load reaches ~12.5 wt.%. Further electrochemical results showed that in the enlarged cyclic voltammograms diagram, the electron-deficient boron doping sites made it easier for the electron transfer in graphene, promoting the valence transition from CuO to the electrode surface. Moreover, the sensor platform was ultrasensitive to glucose with a detection limit of 0.7 μM and high sensitivity of 906 μA mM−1 cm−2, ensuring the sensitive monitoring of enzyme activity. The inhibition rate of acarbose, a model inhibitor, is proportional to the logarithm of concentration in the range of 10−9–10−3 M with the correlation coefficient of R2 = 0.996, and an ultralow limit of detection of ~1 × 10−9 M by the developed method using the PBA-GO-CuO electrode. The inhibiting ability of Rhein-8-b-D-glucopyranoside, which is isolated from natural medicines, was also evaluated. The constructed sensor platform was proven to be sensitive and selective as well as cost-effective, facile, and reliable, making it promising as a candidate for α-amylase inhibitor screening.
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Al-Abdallat, Yousef, Inshad Jumah, Rami Jumah, Hanadi Ghanem et Ahmad Telfah. « Catalytic Electrochemical Water Splitting Using Boron Doped Diamond (BDD) Electrodes as a Promising Energy Resource and Storage Solution ». Energies 13, no 20 (10 octobre 2020) : 5265. http://dx.doi.org/10.3390/en13205265.

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The present study developed a new system of electrochemical water splitting using a boron doped diamond (BDD) electrode in the electrochemical reactor. The new method assessed the electrical current, acidity (pH), electrical conductivity, absorbance, dissipation, and splitting energies in addition to the water splitting efficiency of the overall process. Employing CuO NPs and ZnO NPs as catalysts induced a significant impact in reducing the dissipated energy and in increasing the efficiency of splitting water. Specifically, CuO NPs showed a significant enhancement in reducing the dissipated energy and in keeping the electrical current of the reaction stable. Meanwhile, the system catalyzed with ZnO NPs induced a similar impact as that for CuO NPs at a lower rate only. The energy dissipation rates in the system were found to be 48% and 65% by using CuO and ZnO NPs, respectively. However, the dissipation rate for the normalized system without catalysis (water buffer at pH = 6.5) is known to be 100%. The energy efficiency of the system was found to be 25% without catalysis, while it was found to be 82% for the system catalyzed with ZnO NPs compared to that for CuO NPs (normalized to 100%). The energy dissipated in the case of the non-catalyzed system was found to be the highest. Overall, water splitting catalyzed with CuO NPs exhibits the best performance under the applied experimental conditions by using the BDD/Niobium (Nb) electrodes.
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Patra, Kshirodra Kumar, Sojung Park, Hakhyeon Song, Beomil Kim, Wooyul Kim et Jihun Oh. « Operando Spectroscopic Investigation of a Boron-Doped CuO Catalyst and Its Role in Selective Electrochemical C–C Coupling ». ACS Applied Energy Materials 3, no 11 (6 novembre 2020) : 11343–49. http://dx.doi.org/10.1021/acsaem.0c02284.

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Asadi, Hamed, et Majid Vaezzadeh. « Computational designing ultra-sensitive nano-composite based on boron doped and CuO decorated graphene to adsorb H2S and CO gaseous molecules ». Materials Research Express 4, no 7 (25 juillet 2017) : 075039. http://dx.doi.org/10.1088/2053-1591/aa7c33.

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Gao, Buhong, Fengyi Zhao, Yingchun Miao, Huihua Min, Li Xu et Chaobo Huang. « Boron- and nitrogen-doped photoluminescent polymer carbon nanoparticles as nanosensors for imaging detection of Cu2+ and biothiols in living cells ». RSC Adv. 7, no 75 (2017) : 47654–61. http://dx.doi.org/10.1039/c7ra07683e.

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d’Amora, Marta, Adalberto Camisasca, Raul Arenal et Silvia Giordani. « In Vitro and In Vivo Biocompatibility of Boron/Nitrogen Co-Doped Carbon Nano-Onions ». Nanomaterials 11, no 11 (10 novembre 2021) : 3017. http://dx.doi.org/10.3390/nano11113017.

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Boron/nitrogen, co-doped, carbon nano-onions (BN-CNOs) have recently shown great promise as catalysts for the oxygen reduction reaction, due to the improved electronic properties imparted by the dopant atoms; however, the interactions of BN-CNOs with biological systems have not yet been explored. In this study, we examined the toxicological profiles of BN-CNOs and oxidized BN-CNOs (oxi-BN-CNOs) in vitro in both healthy and cancer cell lines, as well as on the embryonic stages of zebrafish (Danio rerio) in vivo. The cell viabilities of both cell lines cells were not affected after treatment with different concentrations of both doped CNO derivatives. On the other hand, the analysis of BN-CNOs and oxidized BN-CNO interactions with zebrafish embryos did not report any kind of perturbations, in agreement with the in vitro results. Our results show that both doped CNO derivatives possess a high biocompatibility and biosafety in cells and more complex systems.
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Damte, Jemal Yimer, Shang-lin Lyu, Ermias Girma Leggesse et Jyh Chiang Jiang. « Methanol decomposition reactions over a boron-doped graphene supported Ru–Pt catalyst ». Physical Chemistry Chemical Physics 20, no 14 (2018) : 9355–63. http://dx.doi.org/10.1039/c7cp07618e.

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In-depth investigations of adsorption and decomposition of methanol over boron-doped graphene supported Ru–Pt catalyst are presented using periodic density functional theory calculations. Methanol decomposition on such catalyst proceeds through formation of methoxide (CH3O) and via stepwise dehydrogenation of formaldehyde (CH2O), formyl (CHO), and carbon monoxide (CO).
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Dakhel, A. A. « Structural, optical and electrical measurements on boron-doped CdO thin films ». Journal of Materials Science 46, no 21 (novembre 2011) : 6925–31. http://dx.doi.org/10.1007/s10853-011-5658-6.

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Thèses sur le sujet "Boron-doped CuO"

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GUZMAN, MEDINA HILMAR DEL CARMEN. « Electrocatalytic reduction of CO2 to value-added products ». Doctoral thesis, Politecnico di Torino, 2021. http://hdl.handle.net/11583/2907030.

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Chapitres de livres sur le sujet "Boron-doped CuO"

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Velusamy, P., R. Ramesh Babu, K. Ramamurthi et N. Balamurugan. « The Effect of Solvent on the Structural, Morphological, Optical and Electrical Properties of Spray Pyrolysed Boron Doped CdO Thin Films ». Dans Springer Proceedings in Physics, 367–81. Cham : Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-44890-9_34.

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D.R. Mackinnon, Ian, Alanoud Almutairi et Jose A. Alarco. « Insights from Systematic DFT Calculations on Superconductors ». Dans Real Perspective of Fourier Transforms and Current Developments in Superconductivity. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.96960.

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We present three systematic approaches to use of Density Functional Theory (DFT) for interpretation and prediction of superconductivity in new or existing materials. These approaches do not require estimates of free parameters but utilize standard input values that significantly influence computational resolution of reciprocal space Fermi surfaces and that reduce the meV-scale energy variability of calculated values. Systematic calculations on conventional superconductors show that to attain a level of resolution comparable to the energy gap, two key parameters, Δk and the cut-off energy, must be optimized for a specific compound. The optimal level of resolution is achieved with k-grids smaller than the minimum reciprocal space separation between key parallel Fermi surfaces. These approaches enable estimates of superconducting properties including the transition temperature (Tc) via (i) measurement of the equivalent thermal energy of a phonon anomaly (if present), (ii) the distribution of electrons and effect on Fermi energy (EF) when subjected to a deformation potential and (iii) use of parabolic, or higher order quartic, approximations for key electronic bands implicated in electron–phonon interactions. We demonstrate these approaches for the conventional superconductors MgB2, metal substituted MgB2 and boron-doped diamond.
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Braga, Neila de Almeida, Lidiane Martins Moura Ferreira, Maurício Ribeiro Baldan et Neidenêi Gomes Ferreira. « ELECTROANALYTICAL DETECTION OF Cu2+, Fe2+ AND Zn2+ BY BORON DOPED DIAMOND ELECTRODE IN AMAZON BASIN ». Dans Química : Debate entre a Vida Moderna e o Meio Ambiente, 179–92. Atena Editora, 2021. http://dx.doi.org/10.22533/at.ed.78321120416.

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Actes de conférences sur le sujet "Boron-doped CuO"

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Shaji, Manu, Saji K. J. et Jayaraj M. K. « Fabrication and characterization of p-type boron doped Cu2O thin film and Cu2O:B/n-Si heterojunction ». Dans Nanoengineering : Fabrication, Properties, Optics, Thin Films, and Devices XVI, sous la direction de André-Jean Attias et Balaji Panchapakesan. SPIE, 2019. http://dx.doi.org/10.1117/12.2529144.

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