Effect of silver on the shape of palladium nanoparticles

Gupta, D.; Barman, P. B.; Hazra, Surajit Kumar

doi:10.1063/1.4946593

Cited by 1 publication

(3 citation statements)

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“…Pd, [146][147][148] Ag [148][149][150][151][152][153][154][155][156] and PdAg [157][158][159][160][161] nanoparticles have been known for many years and find use in a wide range of applications in their own right, but these uses are beyond the scope of this review and as such are not discussed further. Such particles also find use as precursors to PdAg films, 109,113 and as such an overview of their preparation is presented.…”

Section: Pdag Nanoparticle Preparationmentioning

confidence: 99%

“…Noble metal nanoparticles are most commonly prepared using solution reduction of metal salts using an appropriate reducing agent. 158 These reactions are generally conducted in dilute batch reactions and as such throughput is limited, 158 though advances of nanomaterials manufacturing into the continuous mode improve throughput, are scalable and more consistent than batch methods. 148,151 Due to their high surface energies, 162 metal nanoparticles often require capping to prevent agglomeration.…”

Section: Pdag Nanoparticle Preparationmentioning

confidence: 99%

“…148,151 Due to their high surface energies, 162 metal nanoparticles often require capping to prevent agglomeration. 147,148,158 Flow processes allow for efficient capping of nanoparticles in process. 148,151 Monometallic nanoparticles require less consideration of synthesis than bimetallic examples (such as PdAg).…”

Section: Pdag Nanoparticle Preparationmentioning

confidence: 99%

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Manufacture, Applications, and Opportunities of Thin Film Palladium-Silver (PdAg) Alloys: A Review

Holdsworth¹

2019

Preprint

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The noble metals palladium and silver find use in many high performance applications, and their alloys (PdAg), known for more than sixty years, are industrially important, finding use in many fields including hydrogen purification and separation, numerous facets of catalysis, and in fuel cells. In recent years, interest in these materials has grown significantly, particularly in energy generating applications and due to their performance as solid-state chemical sensors for a range of small molecules. PdAg thin films can be prepared using traditional physical methods such as cold rolling, or more modern and controllable chemical or physical deposition techniques such as electrodeposition or chemical vapour deposition. Despite the wide-reaching uses of PdAg, several recent advancements in materials preparation, such as additive manufacturing, better known as 3-D printing, remain unexplored for this material due to the differing chemistries of the two elements. In this review, we explore the manufacturing methods commonly employed for the preparation of PdAg thin films, the common and niche applications of these materials, and opportunities for the future development of these two aspects, with an emphasis on how preparation of thin films can utilise additive manufacturing approaches.

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