Effect of core/shell structured TiO2@C nanowire support on the Pt catalytic performance for methanol electrooxidation

2016 ◽  
Vol 6 (11) ◽  
pp. 3767-3775 ◽  
Author(s):  
Xu-Lei Sui ◽  
Zhen-Bo Wang ◽  
Cun-Zhi Li ◽  
Jing-Jia Zhang ◽  
Lei Zhao ◽  
...  
Keyword(s):  
Catalytic Performance ◽  
Methanol Electrooxidation ◽  
Core Shell ◽  
Electrocatalytic Performance ◽  
Carbon Coated

Core/shell structured carbon-coated titania nanowires combine the advantages of structure and material, improving the electrocatalytic performance of Pt-based catalysts.

scholarly journals Au@PdAg core–shell nanotubes as advanced electrocatalysts for methanol electrooxidation in alkaline media

RSC Advances ◽  
2019 ◽  
Vol 9 (2) ◽  
pp. 931-939 ◽  
Author(s):  
Wenke Yang ◽  
Qing Zhang ◽  
Cheng Peng ◽  
Eyu Wu ◽  
Shaowei Chen ◽  
...  
Keyword(s):  
Methanol Electrooxidation ◽  
Alkaline Media ◽  
Core Shell ◽  
Displacement Reaction ◽  
Galvanic Displacement ◽  
Electrocatalytic Performance ◽  
Galvanic Displacement Reaction

Au@PdAg core–shell nanotubes using the galvanic displacement reaction were prepared and they exhibited excellent electrocatalytic performance towards methanol electrooxidation.

Self-driven microstructural evolution of Au@Pd core–shell nanoparticles for greatly enhanced catalytic performance during methanol electrooxidation

Nanoscale ◽  
2021 ◽  
Author(s):  
Yaxing Liu ◽  
Weiyin Li ◽  
Guizhe zhao ◽  
Gang Qin ◽  
Yuexia Li ◽  
...  
Keyword(s):  
Microstructural Evolution ◽  
Heterogeneous Catalysts ◽  
Catalytic Performance ◽  
Methanol Electrooxidation ◽  
Core Shell ◽  
Electrochemical Polarization ◽  
Shell Nanoparticles ◽  
Catalytic Materials ◽  
Core Shell Nanoparticles ◽  
Insight Into

The lack of direct insight into the microstructural evolution of catalytic materials under electrochemical polarization has inhibited the development of heterogeneous catalysts. By investigating a typical Au@Pd core–shell nanostructure, the...

Preparation and Electrocatalytic Performance of Thin-shell Ni/Pt Core-shell Nanoparticles

2012 ◽  
Vol 27 (1) ◽  
pp. 95-101
Author(s):  
Shi-Bin LIU ◽  
Chun-Ying YANG ◽  
Zhong-Lin ZHANG ◽  
Dong-Hong DUAN ◽  
Xiao-Gang HAO ◽  
...  
Keyword(s):  
Thin Shell ◽  
Core Shell ◽  
Shell Nanoparticles ◽  
Electrocatalytic Performance ◽  
Core Shell Nanoparticles

Superior co-catalysis by bimetallic nanostructure for TiO2 photocatalysis

2020 ◽  
Vol 01 ◽  
Author(s):  
Bonamali Pal ◽  
Anila Monga ◽  
Aadil Bathla
Keyword(s):  
Visible Light ◽  
Catalytic Performance ◽  
Transition Metal Catalysts ◽  
Core Shell ◽  
Structural Morphology ◽  
Tio2 Photocatalysis ◽  
Co Catalysts ◽  
Bimetallic Nanocomposites ◽  
Bimetallic Nanostructure ◽  
Bimetallic Nanostructures

Background:: Bimetallic nanocomposites have currently gained significant importance for enhanced catalytic applications relative to monometallic analogues. The synergistic interactions modified electronic and optical properties in the bimetallic (M1@M2) structural morphology e.g., core-shell /alloy nanostructures resulted in a better co-catalytic performance for TiO2 photocatalysis. Objective:: Hence, this article discusses the preparation, characterization, and co-catalytic activity of different bimetallic nanostructures namely, Cu@Zn, Pd@Au, Au@Ag, and Ag@Cu, etc. Method:: These bimetallic co-catalysts deposited on TiO2 possess the ability to absorb visible light due to surface plasmonic absorption and are also expected to display the new properties due to synergy between two distinct metals. As a result, they reveal the highest level of activity than the monometal deposited TiO2. Result:: Their optical absorption, emission, charge carrier dynamics, and surface structural morphology are explained for the improved photocatalytic activity of M1@M2 loaded TiO2 for the hydrogenation of certain organic compounds e.g., quinoline, crotonaldehyde, and 1,3-dinitrobenzene, etc. under UV/ visible light irradiation. Conclusion:: It revealed that the use of bimetallic core@shell co-catalyst for hydrogenation of important industrial organics by M1@M2-TiO2 nanocomposite demonstrates beneficial reactivity in many instances relative to conventional transition metal catalysts.

PtPd nanoframes derived from Pd@PdPt core–shell rhombic dodecahedrals with excellent catalytic performance toward methanol oxidation

2021 ◽  
Author(s):  
Yangyang Ren ◽  
Chuanliang Li ◽  
Baosong Li ◽  
Fan Gao ◽  
Xinghua Zhang ◽  
...  
Keyword(s):  
Methanol Oxidation ◽  
Catalytic Properties ◽  
Catalytic Performance ◽  
Core Shell ◽  
Acid Environment ◽  
Excellent Catalytic Performance

PtPd nanoframes with excellent catalytic properties were obtained by etching Pd@PdPt core–shell RDs with Fe3+ in an acid environment.

scholarly journals Mechanochemically Synthetized PAN-Based Co-N-Doped Carbon Materials as Electrocatalyst for Oxygen Evolution Reaction

Nanomaterials ◽  
2021 ◽  
Vol 11 (2) ◽  
pp. 290
Author(s):  
Paulette Gómez-López ◽  
José Ángel Salatti-Dorado ◽  
Daily Rodríguez-Padrón ◽  
Manuel Cano ◽  
Clemente G. Alvarado-Beltrán ◽  
...  
Keyword(s):  
Oxygen Evolution ◽  
Photoelectron Spectroscopy ◽  
Carbon Nanomaterials ◽  
Carbon Materials ◽  
Catalytic Performance ◽  
X Ray Diffraction ◽  
New Class ◽  
Electrocatalytic Performance ◽  
Alkaline Environments ◽  
Metal Doped

We report a new class of polyacrylonitrile (PAN)-based Co-N-doped carbon materials that can act as suitable catalyst for oxygen evolution reactions (OER). Different Co loadings were mechanochemically added into post-consumed PAN fibers. Subsequently, the samples were treated at 300 °C under air (PAN-A) or nitrogen (PAN-N) atmosphere to promote simultaneously the Co3O4 species and PAN cyclization. The resulting electrocatalysts were fully characterized and analyzed by X-ray diffraction (XRD) and photoelectron spectroscopy (XPS), transmission (TEM) and scanning electron (SEM) microscopies, as well as nitrogen porosimetry. The catalytic performance of the Co-N-doped carbon nanomaterials were tested for OER in alkaline environments. Cobalt-doped PAN-A samples showed worse OER electrocatalytic performance than their homologous PAN-N ones. The PAN-N/3% Co catalyst exhibited the lowest OER overpotential (460 mV) among all the Co-N-doped carbon nanocomposites, reaching 10 mA/cm2. This work provides in-depth insights on the electrocatalytic performance of metal-doped carbon nanomaterials for OER.

scholarly journals Carbon-coated Fe3O4 core–shell super-paramagnetic nanoparticle-based ferrofluid for heat transfer applications

2021 ◽  
Author(s):  
Mohd Imran ◽  
Nasser Zouli ◽  
Tansir Ahamad ◽  
Saad M. Alshehri ◽  
Mohammed Rehaan Chandan ◽  
...  
Keyword(s):  
Magnetic Field ◽  
Heat Transfer ◽  
Thermal Conductivity ◽  
External Magnetic Field ◽  
Core Shell ◽  
Shell Nanoparticles ◽  
Carbon Coated ◽  
Core Shell Nanoparticles ◽  
Fe3o4 Core

Ferrofluids prepared by dispersing superparamagnetic Fe3O4@C core–shell nanoparticles in water exhibited exceptional enhancement in thermal conductivity without an external magnetic field.

scholarly journals Carbon-Coated Core Shell Structured Copper and Nickel Nanoparticles Synthesized in an Ionic Liquid.

ChemInform ◽  
2006 ◽  
Vol 37 (49) ◽  
Author(s):  
Davis S. Jacob ◽  
Isaschar Genish ◽  
Lior Klein ◽  
Aharon Gedanken
Keyword(s):  
Ionic Liquid ◽  
Nickel Nanoparticles ◽  
Core Shell ◽  
Carbon Coated

Carbon-Coated Core Shell Structured Copper and Nickel Nanoparticles Synthesized in an Ionic Liquid

2006 ◽  
Vol 110 (36) ◽  
pp. 17711-17714 ◽  
Author(s):  
David S. Jacob ◽  
Isaschar Genish ◽  
Lior Klein ◽  
Aharon Gedanken
Keyword(s):  
Ionic Liquid ◽  
Nickel Nanoparticles ◽  
Core Shell ◽  
Carbon Coated
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