Solution chemistry synthesis, morphology studies, and optical properties of five distinct nanocrystalline Au–Zn intermetallic compounds

Schaefer, Zachary L.; Vaughn, Dimitri D.; Schaak, Raymond E.

doi:10.1016/j.jallcom.2009.10.137

Cited by 21 publications

(21 citation statements)

References 54 publications

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“…199 The Schaak group developed low-temperature solution chemistry approaches to the transformation of metal NPs into alloys and intermetallic compounds. 204 They prepared M-Zn (M = Au, Cu, Pd), 205,206 M-Pt (M = Sn, Pb, Sb, and Cu), 207 M-Sn (M = Co, Ni, Cu, Ag, Au, Pt, Ru) 208 and M-Au (M = Fe, Co, Ni) 209 alloy and intermetallic NPs with various morphologies from preformed NPs with a second metal precursor in hot organic solvents under reducing conditions.…”

Section: Alloying Through Atomic Diffusionmentioning

confidence: 99%

Synthesis of colloidal metal and metal alloy nanoparticles for electrochemical energy applications

et al. 2013

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This Review is focused on the recent progresses in the synthetic approaches to the precise control of structure, size, shape, composition and multi-functionality of metal and metal alloy nanoparticles. Many of these strategies have been developed based on colloidal methods, and to limited extent, the galvanic and other methods. The shape, size and composition often govern the chemical and catalytic properties that are important for electrochemical energy applications. The structure-property relationship and the design in controllable structures and morphologies for specific reactions such as oxygen reduction reaction (ORR) are emphasized.

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Section: Alloying Through Atomic Diffusionmentioning

confidence: 99%

Synthesis of colloidal metal and metal alloy nanoparticles for electrochemical energy applications

et al. 2013

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“…Five distinct Au-Zn phases in the nano regime such as Au 3 Zn, Au 5 Zn 3 , AuZn, Cu 5 Zn 8 -type γ-(Au,Zn), and Mg-type ε-(Au,Zn) have been synthesized by reacting Au NPs with di-ethylzinc in a high-boiling long chain amine i.e., oleylamine at 250-300 °C. 195 Recently, we have synthesized intermetallic Ni-Zn NPs from their transition metal salts based on the solution-mediated low temperature reaction route (Fig. 11).…”

Section: Solution Chemistry Synthesismentioning

confidence: 99%

Advances in nanoscale alloys and intermetallics: low temperature solution chemistry synthesis and application in catalysis

Jana

2015

Dalton Trans.

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Based on the bottom-up chemistry techniques, the size, shape, and composition controlled synthesis of nanoparticles can now be achieved uniformly, which is of great importance to the nanoscience community as well as in modern catalysis research. The low-temperature solution-phase synthesis approach represents one of the most attractive strategies and has been utilized to synthesize nanoscale metals, alloys and intermetallics, including a number of new metastable phases. This perspective will highlight the solution-based nanoparticle synthesis techniques, a low-temperature platform, for the synthesis of size and shape-tunable nanoscale transition metals, alloys, and intermetallics from the literature, keeping a focus on the utility of these nanomaterials in understanding the catalysis. For each solution-based nanoparticle synthesis technique, a comprehensive overview has been given for the reported nanoscale metals, alloys, and intermetallics, followed by critical comments. Finally, their enhanced catalytic activity and durability as novel catalysts have been discussed towards several hydrogenation/dehydrogenation reactions and also for different inorganic to organic reactions. Hence, the captivating advantages of this controllable low-temperature solution chemistry approach have several important implications and together with them this approach provides a promising route to the development of next-generation nanostructured metals, alloys, and intermetallics since they possess fascinating properties as well as outstanding catalytic activity.

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“…Although the coinage metals are normally used in elemental form for such applications, there is also some interest in using their alloys [1]. For example, it has been demonstrated that nanoparticles can be fabricated from Cu-Zn alloys [2][3][4][5][6][7] and that a surface plasmon resonance can be sustained [4,7]. The color of the bulk CuZn brasses varies with the Zn content, as does the energy of the plasmon resonance in nanoparticles.…”

Section: Introductionmentioning

confidence: 99%

Optical properties and electronic structure of the Cu–Zn brasses

Keast

Ewald

Silva

et al. 2015

Journal of Alloys and Compounds

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The color of Cu-Zn brasses range from the red of copper through bright yellow to grey-silver as the Zn content increases. Here we examine the mechanism by which these color changes occur. The optical properties of this set of alloys has been calculated using density functional theory (DFT) and compared to experimental spectroscopy measurements. The optical response of the low Zn content α-brasses is shown to have a distinctly different origin to that in the higher content β', γ and ε-brasses. The response of β'-brass is unique in that it is strongly influenced by an overdamped plasmon excitation and this alloy will also have a strong surface plasmon response.

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Solution chemistry synthesis, morphology studies, and optical properties of five distinct nanocrystalline Au–Zn intermetallic compounds

Cited by 21 publications

References 54 publications

Synthesis of colloidal metal and metal alloy nanoparticles for electrochemical energy applications

Synthesis of colloidal metal and metal alloy nanoparticles for electrochemical energy applications

Advances in nanoscale alloys and intermetallics: low temperature solution chemistry synthesis and application in catalysis

Optical properties and electronic structure of the Cu–Zn brasses

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