Facile synthesis of Pd–Ir bimetallic octapods and nanocages through galvanic replacement and co-reduction, and their use for hydrazine decomposition

2013 ◽  
Vol 15 (28) ◽  
pp. 11822 ◽  
Author(s):  
Maochang Liu ◽  
Yiqun Zheng ◽  
Shuifen Xie ◽  
Naixu Li ◽  
Ning Lu ◽  
...  
Keyword(s):  
Galvanic Replacement ◽  
Facile Synthesis ◽  
Hydrazine Decomposition ◽  
Co Reduction

Synthesis of hollow and trimetallic nanostructures by seed-mediated co-reduction

2015 ◽  
Vol 51 (42) ◽  
pp. 8872-8875 ◽  
Author(s):  
Rebecca G. Weiner ◽  
Alison F. Smith ◽  
Sara E. Skrabalak
Keyword(s):  
Galvanic Replacement ◽  
Seed Mediated ◽  
Co Reduction

Seed-mediated co-reduction coupled with galvanic replacement is a new route to structurally defined trimetallic nanoparticles.

scholarly journals Enhanced control of plasmonic properties of silver–gold hollow nanoparticles via a reduction-assisted galvanic replacement approach

RSC Advances ◽  
2019 ◽  
Vol 9 (1) ◽  
pp. 389-396 ◽  
Author(s):  
Josée R. Daniel ◽  
Lauren A. McCarthy ◽  
Emilie Ringe ◽  
Denis Boudreau
Keyword(s):  
Galvanic Replacement ◽  
Hollow Nanoparticles ◽  
Scattering Intensity ◽  
Co Reduction

A co-reduction assisted method for the synthesis of Ag–Au hollow nanoparticles with enhanced control over plasmon wavelength and scattering intensity.

PtPd hollow nanocubes with enhanced alloy effect and active facets for efficient methanol oxidation reaction

2021 ◽  
Author(s):  
Yu-Xuan Xiao ◽  
Jie Ying ◽  
Ge Tian ◽  
Xue-Qi Zhang ◽  
Christoph Janiak ◽  
...  
Keyword(s):  
Methanol Oxidation ◽  
Oxidation Reaction ◽  
Methanol Oxidation Reaction ◽  
Galvanic Replacement ◽  
Alloy Effect ◽  
Co Reduction ◽  
Reduction Approach

We report an alternating-reduction approach by galvanic replacement and co-reduction to enable incorporation of Pd into Pt shell, and the obtained PtPd hollow nanocubes with enhanced alloy effect and highly...

scholarly journals Facile Synthesis of PdCuRu Porous Nanoplates as Highly Efficient Electrocatalysts for Hydrogen Evolution Reaction in Alkaline Medium

Metals ◽  
2021 ◽  
Vol 11 (9) ◽  
pp. 1451
Author(s):  
Changhong Chen ◽  
Ningkang Qian ◽  
Junjie Li ◽  
Xiao Li ◽  
Deren Yang ◽  
...  
Keyword(s):  
Catalytic Activity ◽  
Hydrogen Evolution ◽  
Hydrogen Evolution Reaction ◽  
Alkaline Solution ◽  
Current Density ◽  
Alkaline Media ◽  
Water Dissociation ◽  
Galvanic Replacement ◽  
Facile Synthesis ◽  
Better Than

Ru is a key component of electrocatalysts for hydrogen evolution reaction (HER), especially in alkaline media. However, the catalytic activity and durability of Ru-based HER electrocatalysts are still far from satisfactory. Here we report a solvothermal approach for the synthesis of PdCuRu porous nanoplates with different Ru compositions by using Pd nanoplates as the seeds. The PdCuRu porous nanoplates were formed through underpotential deposition (UPD) of Cu on Pd, followed by alloying Cu with Pd through interdiffusion and galvanic replacement between Cu atoms and Ru precursor simultaneously. When evaluated as HER electrocatalysts, the PdCuRu porous nanoplates exhibited excellent catalytic activity and durability. Of them, the Pd24Cu29Ru47/C achieved the lowest overpotential (40.7 mV) and smallest Tafel slope (37.5 mV dec−1) in an alkaline solution (much better than commercial Pt/C). In addition, the Pd24Cu29Ru47/C only lost 17% of its current density during a stability test for 10 h, while commercial Pt/C had a 59.5% drop under the same conditions. We believe that the electron coupling between three metals, unique porous structure, and strong capability of Ru for water dissociation are responsible for such an enhancement in HER performance.

Facile Synthesis of a Library of Hollow Metallic Particles through the Galvanic Replacement of Liquid Gallium

2021 ◽  
Author(s):  
Aleksandra S. Falchevskaya ◽  
Artur Y. Prilepskii ◽  
Sofia A. Tsvetikova ◽  
Elena I. Koshel ◽  
Vladimir V. Vinogradov
Keyword(s):  
Liquid Gallium ◽  
Galvanic Replacement ◽  
Facile Synthesis ◽  
Metallic Particles

scholarly journals Triangular Ag–Pd alloy nanoprisms: rational synthesis with high-efficiency for electrocatalytic oxygen reduction

Nanoscale ◽  
2014 ◽  
Vol 6 (20) ◽  
pp. 11738-11743 ◽  
Author(s):  
Lin Xu ◽  
Zhimin Luo ◽  
Zhanxi Fan ◽  
Xiao Zhang ◽  
Chaoliang Tan ◽  
...  
Keyword(s):  
Oxygen Reduction ◽  
Electrocatalytic Activity ◽  
High Efficiency ◽  
Galvanic Replacement ◽  
Electrocatalytic Oxygen Reduction ◽  
Pd Alloy ◽  
Co Reduction

Triangular Ag–Pd alloy nanoprisms are generated by using Ag nanoprisms as templates through galvanic replacement and co-reduction of Ag+/Pd2+. These Ag–Pd nanoprisms exhibit superior electrocatalytic activity due to the alloyed Ag–Pd composition and dominant {111} facets.

scholarly journals Palladium-rich plasmonic nanorattles with enhanced LSPRs via successive galvanic replacement mediated by co-reduction

RSC Advances ◽  
2021 ◽  
Vol 11 (63) ◽  
pp. 40112-40119
Author(s):  
Mariia Ivanchenko ◽  
Andrew J. Evangelista ◽  
Hao Jing
Keyword(s):  
Surface Plasmon ◽  
Galvanic Replacement ◽  
Surface Plasmon Resonances ◽  
Plasmon Resonances ◽  
Co Reduction ◽  
Enhanced Surface

Palladium-rich plasmonic nanorattles with enhanced surface plasmon resonances synthesized through successive galvanic replacement mediated by co-reduction.

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