TITLE

Low temperature crystalline Ag–Ni alloy formation from silver and nickel nanoparticles entrapped in a fatty acid composite film

AUTHOR(S)
Kumar, Ashavani; Damle, Chinmay; Sastry, Murali
PUB. DATE
November 2001
SOURCE
Applied Physics Letters;11/12/2001, Vol. 79 Issue 20, p3314
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Nanoparticles of silver and nickel were grown in thermally evaporated fatty acid (stearic acid) films by immersion of the film sequentially in solutions containing Ag[sup +] ions and Ni[sup 2+] ions. Attractive electrostatic interaction between the metal cations and the carboxylate ions in the fatty acid film leads to entrapment of the cations in the film. Thereafter, the metal ions were reduced in situ to yield nanoparticles of Ag and Ni of ∼30 nm diameter within the fatty acid matrix. Thermal treatment of the stearic acid-(silver+nickel) nanocomposite films led to the formation of a Ni–Ag alloy at ∼100 °C. Prolonged heat treatment at this temperature resulted in the phase separation of the alloy and the reformation of individual Ag and Ni nanoparticles. © 2001 American Institute of Physics.
ACCESSION #
5549492

 

Related Articles

  • Investigation on Indium-silver Alloy Nanocrystal-glass Composites with Enhanced Fluorescence. Dewu Yin; Lang Pei; Zhen Liu; Weiliang Gao; Qiru Li; Xinyu Yang; Xiyan Zhang; Weidong Xiang // Applied Mechanics & Materials;2014, Issue 510, p19 

    We demonstrated a model to realize the growth of indium-silver alloy nanocrystals in borosilicate glass by sol-gel method. The presence of spherical indium-silver alloy nanoparticles with 5 nm average grain size and finely dispersed form in borosilicate glass was confirmed by transmission...

  • Synthesis of Ag-Pt Alloy Nanoparticle by Transmetal Reaction in Aqueous Bovine Serum Albumin Foam. Bandgar, Bapurao M. // International Journal of Applied Chemistry;2010, Vol. 6 Issue 1, p95 

    The Present study explores the use of bovine serum albumin for the synthesis of protein capped Ag-Pt alloy nanoparticles by transmetal reaction in aqueous bovine serum albumin foam. The silver, platinum metal ion salts were carried in bovine serum albumin foam and reduction of silver was carried...

  • Synthesis of silver-gold alloy nanoparticles by a phase-transfer system. Chimentão, R. J.; Cota, I.; Dafinov, A.; Medina, F.; Sueiras, J. E.; Gómez de la Fuente, J. L.; Fierro, J. L. G.; Cesteros, Y.; Salagre, P. // Journal of Materials Research;Jan2006, Vol. 21 Issue 1, p105 

    We have studied the preparation of silver-gold alloy nanoparticles based on the phase transfer of metal precursors from aqueous phase to organic solution by a fatty amine at room temperature. Silver-gold nanoparticles were synthesized with different molar ratios (2:1, 1:1, 1:2)....

  • Size saturation in low energy ion beam synthesized nanoparticles in silica glass: 50 keV Ag- ions implantation, a case study. Kuiri, P. K. // Journal of Applied Physics;Sep2010, Vol. 108 Issue 5, p054301 

    Fluence-dependent formation of Ag nanoparticles (NPs) in silica glass by 50 keV Ag- ions implantation has been studied. Samples implanted with fluences of 2×1016 ions cm-2 and above are found to show an absorption band at around 410 nm, corresponding to the surface plasmon resonance (SPR) of...

  • Saturation of nonlinear optical absorption of metal-nanoparticle composites. Plaksin, Oleg; Takeda, Yoshihiko; Amekura, Hiroshi; Kishimoto, Naoki; Plaksin, Sergey // Journal of Applied Physics;Jun2008, Vol. 103 Issue 11, p114302 

    Metal-nanoparticle composites consisting of copper and gold nanoparticles embedded in insulators (Cu:SiO2, Au:SiO2, and Cu:Al2O3) have been fabricated by metal-ion implantation. Nonlinear optical (NLO) absorption of the nanocomposites has been examined by the Z-scan method with a tunable...

  • Batch and column studies on uranium adsorption by Amberlite XAD-4 modified with nano-manganese dioxide. Zidan, W.; Abo-Aly, M.; Elhefnawy, O.; Bakier, E. // Journal of Radioanalytical & Nuclear Chemistry;May2015, Vol. 304 Issue 2, p645 

    A novel sorbent 4XADMnO (Amberlite XAD-4 modified with nano-flakes of manganese dioxide) was synthesized for improving UO ions sorption in aqueous medium from low radioactive waste. The new sorbent was characterized using EDX, XRD and FTIR analyses. Uranium sorption was investigated in both...

  • Fabrication and characterization of a boehmite nanoparticle impregnated electrospun fiber membrane for removal of metal ions. Hota, Garudadhwaj; Kumar, B.; Ng, W. J.; Ramakrishna, S. // Journal of Materials Science;Jan2008, Vol. 43 Issue 1, p212 

    The fabrication of a composite electrospun fiber membrane with sorptive characteristics intended for removal of heavy metals was investigated. The electrospun fiber membrane was impregnated with nano-boehmite particles. The latter had been selected to increase surface area of the active...

  • Pulse radiolytic studies of metallic clusters in a quaternary microemulsion system. Kapoor, S.; Joshi, R.; Mukherjee, T.; Mittal, J.P. // Research on Chemical Intermediates;2001, Vol. 27 Issue 7/8, p747 

    The radiation-chemical reduction of Tl[sup +], Co[sup 2+] and Ni[sup 2+] ions in water-in-oil microemulsion has been described. Rate constants for the reduction of the metal ions by e[sup -][sub aq] were found to be much lower compared to those in aqueous solution. The absorption spectrum and...

  • Theoretical study of structure and segregation in 38-atom Ag-Au nanoalloys. Curley, B. C.; Rossi, G.; Ferrando, R.; Johnston, R. L. // European Physical Journal D -- Atoms, Molecules, Clusters & Opti;Jul2007, Vol. 43 Issue 1-3, p53 

    Ag–Au bimetallic “nanoalloy” clusters with 38 atoms have been studied using a Gupta many-body potential combined with a genetic algorithm search technique. Clear changes in structure are observed as a function of Ag/Au composition and there is a clear tendency for surface...

Share

Read the Article

Courtesy of VIRGINIA BEACH PUBLIC LIBRARY AND SYSTEM

Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics