A novel giant palladium cluster

Vargaftik, M. N.; Zagorodnikov, V. P.; Stolyarov, I. P.; Моисеев, И. И.; Likholobov, V. A.; Kochubey, D.I.; Chuvilin, Andrey; Zaikovsky, Valdimir I.; Zamaraev, K. I.; Тимофеева, Г. И.

doi:10.1039/c39850000937

Cited by 134 publications

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“…[83] With careful control of conditions, the size distribution is nearly monodisperse (see Figure 6) and centred on particular "magic numbers" corresponding to different numbers of concentric shells (n) of Pd atoms around a central atom, where each shell contains (10n 2 + 2) atoms. [84] The behaviour of the series Pd 55 (phen) 36 O 30 (2 shells, diameter ≈ 1 nm; phen = phenanthroline), Pd 561 (phen) 36 -O 200 (5 shells, diameter ≈ 2.6 nm), Pd 1415 (phen) 60 O 1100 (7 shells, diameter ≈ 3.7 nm) and Pd powder (diameter ≈ 50 µm) towards hydrogen has been investigated in detail by [83] Figure 6.…”

Section: Giant Clusters Displaying Reversible H 2 Bindingmentioning

confidence: 99%

Reversible Binding of Dihydrogen in Multimetallic Complexes

Weller

McIndoe

2007

Eur J Inorg Chem

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The interaction of hydrogen with metal surfaces is one of the most important and fundamental processes in the chemical industry. Hydrogen is also strongly tipped to play a central role in new challenges that are emerging in terms of climate change and energy supply, and the reversible binding of H 2 to suitable materials will play a keystone role in the realisation of the hydrogen economy. The reversible interaction of hydrogen with multimetallic centres is also an important theme in biological processes; the role of hydrogenases in the metabolism of H 2 is an example. Thus the reversible interaction of H 2 with multimetallic metal complexes is an area that spans considerable breadth. This review is concerned

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Section: Giant Clusters Displaying Reversible H 2 Bindingmentioning

confidence: 99%

Reversible Binding of Dihydrogen in Multimetallic Complexes

Weller

McIndoe

2007

Eur J Inorg Chem

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“…[32,33] 36 O 200 ] (phen* = bathophenanthroline and phen = 1,10-phenanthroline). [34,35] These particles show an extremely narrow particle-size distribution and the idealised formulae of these compounds refer to the so-called geometric magic numbers. According to this model, the metal atoms tend to form a closed geometry of densest sphere packing, where one central atom is surrounded by a closed shell of 12 atoms as next neighbours and a second shell of 42 atoms surrounds this 13-atom arrangement to give a total of 55 atoms, and so on.…”

Section: Chemical Reduction Of Metal Saltsmentioning

confidence: 99%

DNA‐Based Assembly of Metal Nanoparticles

2005

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“…1.5) [25][26][27][28][29]. Palladium(II) acetate can be reduced in acetic acid solution by 1 atom hydrogen at room temperature with 2,2 -bipyridine or 1,10-phenanthroline, followed by O 2 treatment [26].…”

Section: Stabilized By Bipyridyl Ligandsmentioning

confidence: 99%

Nanohybridized Synthesis of Metal Nanoparticles and Their Organization

Naka

Chujo

2009

Nanohybridization of Organic-Inorganic Materials

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Metal nanoparticles have various unusual chemical and physical properties compared with those of metal atoms or bulk metal due to the quantum size effect and their large superficial area, which make them attractive for applications such as optics, electronics, catalysis, and biology [1,2]. The catalytic properties of metal nanoparticles have generated great interest over the past decade. Among various metal nanoparticles, gold nanoparticles have tremendously high molar absorptivity in the visible region. Particle aggregation results in further color changes of gold nanoparticles solutions due to mutually induced dipoles that depend on interparticle distance and aggregate size. This phenomenon can be applied to various sensing systems [3][4][5][6][7]. The assembly of gold, silver, or copper nanoparticle monolayers is one of the ideal substrate for surfaced-enhanced Raman scattering (SERS) [8,9].Bare metal nanoparticles are prepared by employing physical methods such as mechanic subdivision of metallic aggregates and evaporation of a metal in a vacuum by resistive heating or laser ablation. Chemical methods such as the reduction of metal salts in solution are the most convenient ways to control the size of the particles and modified the surface chemical composition. To exploit nanoparticle properties for future device fabrication, self-organization of nanoparticles in a controlled manner is required. To construct such devices, new fabrication techniques must be developed with suitable metal nanoparticle-based building blocks. Several patterns for self-assemblies of the metal nanoparticles are schematically illustrated in Fig. 1.1. A number of outstanding reviews on the synthesis and assembly of metal nanoparticle-based building blocks have appeared [2,10]. This chapter highlights recent fabrication techniques of hybrid metal nanoparticles by controlled self-organization of the metal nanoparticle-based building blocks. Design of nanoparticle hybrids will be first focused on using building blocks for further assemblies. Several recent efforts have been concentrated on a system that

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A novel giant palladium cluster

Cited by 134 publications

References 0 publications

Reversible Binding of Dihydrogen in Multimetallic Complexes

Reversible Binding of Dihydrogen in Multimetallic Complexes

DNA‐Based Assembly of Metal Nanoparticles

Nanohybridized Synthesis of Metal Nanoparticles and Their Organization

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