Solvothermal hot injection synthesis of core-shell AgNi nanoparticles

Vykoukal, Vit; Bursik, Jiri; Roupcova, Pavla; Cullen, David A.; Pinkas, Jiri

doi:10.1016/j.jallcom.2018.08.082

Title: Solvothermal hot injection synthesis of core-shell AgNi nanoparticles

Abstract

Silver-nickel core-shell nanoparticles (NP) were prepared by solvothermal hot injection synthesis by simultaneous thermolysis/reduction of AgNO₃ and Ni(acac)₂ precursors in the hot mixture of octadecene and oleylamine. Oleylamine decreases decomposition temperature of AgNO₃ to that of Ni(acac)₂ thus ensuring favorable reaction conditions. The prepared AgNi NPs with different Ag/Ni ratios were completely characterized. Dynamic light scattering (DLS) and small angle X-ray scattering (SAXS) were used for particle size characterization of as-prepared AgNi colloids. There is no dependence of the particle size (13–21 nm by SAXS) on the Ag/Ni stoichiometric ratio, but the ultraviolet–visible spectroscopy (UV–vis) reveals that the intensity of the surface plasmon (SPR) decreases with increasing Ni content. Transmission electron microscopy (TEM) verified the results of DLS and SAXS and showed spherical nanoparticle shape. Distribution of individual elements in the nanoparticles was mapped by high resolution scanning transmission electron microscopy and energy dispersive X-ray spectroscopy (STEM-EDS) and revealed their core-shell structure where an Ag nucleus is covered by a thin amorphous Ni layer. Upon heating to 400 °C, Ni crystallization is substantiated by appearance of diffractions in the high-temperature X-ray powder diffractograms (HT-XRD) and of a magnetic moment. Ultimate phase separation was proven by scanning electron microscopy and energymore »« less

Authors:

Vykoukal, Vit ^[1]; Bursik, Jiri ^[2]; Roupcova, Pavla ^[2]; Cullen, David A. ^[3];

^[1]

Masaryk Univ., Brno (Czech Republic)
Academy of Sciences of the Czech Republic (ASCR), Brno (Czech Republic). Inst. of Physics of Materials
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)

Publication Date:: Sat Aug 11 00:00:00 EDT 2018

Research Org.:: Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1490577

Grant/Contract Number:: AC05-00OR22725

Resource Type:: Accepted Manuscript

Journal Name:: Journal of Alloys and Compounds

Additional Journal Information:: Journal Volume: 770; Journal Issue: C; Journal ID: ISSN 0925-8388

Publisher:: Elsevier

Country of Publication:: United States

Language:: English

Subject:: 36 MATERIALS SCIENCE

Citation Formats


                    Vykoukal, Vit, Bursik, Jiri, Roupcova, Pavla, Cullen, David A., and Pinkas, Jiri. Solvothermal hot injection synthesis of core-shell AgNi nanoparticles.  United States: N. p., 2018. 
Web.  doi:10.1016/j.jallcom.2018.08.082.

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                    Vykoukal, Vit, Bursik, Jiri, Roupcova, Pavla, Cullen, David A., & Pinkas, Jiri. Solvothermal hot injection synthesis of core-shell AgNi nanoparticles.  United States.  https://doi.org/10.1016/j.jallcom.2018.08.082

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                    Vykoukal, Vit, Bursik, Jiri, Roupcova, Pavla, Cullen, David A., and Pinkas, Jiri. Sat .  
"Solvothermal hot injection synthesis of core-shell AgNi nanoparticles".  United States.  https://doi.org/10.1016/j.jallcom.2018.08.082.  https://www.osti.gov/servlets/purl/1490577.

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@article{osti_1490577,

  title        = {Solvothermal hot injection synthesis of core-shell AgNi nanoparticles},

  author       = {Vykoukal, Vit and Bursik, Jiri and Roupcova, Pavla and Cullen, David A. and Pinkas, Jiri},

  abstractNote = {Silver-nickel core-shell nanoparticles (NP) were prepared by solvothermal hot injection synthesis by simultaneous thermolysis/reduction of AgNO3 and Ni(acac)2 precursors in the hot mixture of octadecene and oleylamine. Oleylamine decreases decomposition temperature of AgNO3 to that of Ni(acac)2 thus ensuring favorable reaction conditions. The prepared AgNi NPs with different Ag/Ni ratios were completely characterized. Dynamic light scattering (DLS) and small angle X-ray scattering (SAXS) were used for particle size characterization of as-prepared AgNi colloids. There is no dependence of the particle size (13–21 nm by SAXS) on the Ag/Ni stoichiometric ratio, but the ultraviolet–visible spectroscopy (UV–vis) reveals that the intensity of the surface plasmon (SPR) decreases with increasing Ni content. Transmission electron microscopy (TEM) verified the results of DLS and SAXS and showed spherical nanoparticle shape. Distribution of individual elements in the nanoparticles was mapped by high resolution scanning transmission electron microscopy and energy dispersive X-ray spectroscopy (STEM-EDS) and revealed their core-shell structure where an Ag nucleus is covered by a thin amorphous Ni layer. Upon heating to 400 °C, Ni crystallization is substantiated by appearance of diffractions in the high-temperature X-ray powder diffractograms (HT-XRD) and of a magnetic moment. Ultimate phase separation was proven by scanning electron microscopy and energy dispersive X-ray analysis (SEM-EDS) in samples heated to 1000 °C. The reaction course and nanoparticle formation studied by DLS, UV–vis, and Ag and Ni elemental analyses reveal an initial Ag seed formation with subsequent Ni overlayer deposition after 180 s.},

  doi          = {10.1016/j.jallcom.2018.08.082},

  journal      = {Journal of Alloys and Compounds},

  number       = C,

  volume       = 770,

  place        = {United States},

  year         = {Sat Aug 11 00:00:00 EDT 2018},

  month        = {Sat Aug 11 00:00:00 EDT 2018}

}

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Title: Solvothermal hot injection synthesis of core-shell AgNi nanoparticles

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Competition between Icosahedral Motifs in AgCu, AgNi, and AgCo Nanoalloys: A Combined Atomistic–DFT Study journal, November 2013

Resonant Raman scattering by quadrupolar vibrations of Ni-Ag core-shell nanoparticles journal, April 2002

Size and composition dependence in the optical properties of mixed (transition metal/noble metal) embedded clusters journal, April 2003

Protective agent-free synthesis of Ni–Ag core–shell nanoparticles journal, December 2006

A facile liquid foam based synthesis of nickel nanoparticles and their subsequent conversion to NicoreAgshell particles: structural characterization and investigation of magnetic properties journal, January 2004

A one-step facile synthesis of Ag–Ni core–shell nanoparticles in water-in-oil microemulsions journal, September 2010

Facile synthesis of near-monodisperse Ag@Ni core–shell nanoparticles and their application for catalytic generation of hydrogen journal, March 2011

Room-Temperature Synthesis of Ag−Ni and Pd−Ni Alloy Nanoparticles journal, August 2010

Facile synthesis of monodisperse thermally immiscible Ag-Ni alloy nanoparticles at room temperature journal, October 2014

Synthesis and formation mechanism of Ag–Ni alloy nanoparticles at room temperature journal, November 2016

Synthesis, structure stability and magnetic properties of nanocrystalline Ag–Ni alloy journal, April 2012

Synthesis and electromagnetic wave absorption property of Ni–Ag alloy nanoparticles journal, July 2009

Amorphous Structures in the Immiscible Ag-Ni System journal, March 2001

Magnetic properties of amorphous Ni60Ag40 films journal, March 2003

Laser ablation deposition of Cu‐Ni and Ag‐Ni films: Nonconservation of alloy composition and film microstructure journal, August 1994

Formation of crystalline Ag x Ni 1 − x solid solutions of unusually high supersaturation by laser ablation deposition journal, May 1994

Synthesis and characterization of Ag–Ni bimetallic nanoparticles by laser-induced plasma journal, August 2011

Structural evolution of NiAg heterogeneous alloys upon annealing journal, January 1999

Stability of a nonequilibrium phase in an immiscible Ag-Ni system studied by ab initio calculations and ion-beam-mixing experiment journal, March 2001

Self-catalyzed chemical vapor deposition method for the growth of device-quality metal thin films journal, November 2007

Catalytically enhanced H2-free CVD of transition metals using commercially available precursors journal, September 2007

Low temperature crystalline Ag–Ni alloy formation from silver and nickel nanoparticles entrapped in a fatty acid composite film journal, November 2001

First application of core-shell Ag@Ni magnetic nanocatalyst for transfer hydrogenation reactions of aromatic nitro and carbonyl compounds journal, January 2013

Multiply Twinned AgNi Alloy Nanoparticles as Highly Active Catalyst for Multiple Reduction and Degradation Reactions journal, September 2014

Thermal decomposition study of HAuCl4·3H2O and AgNO3 as precursors for plasmonic metal nanoparticles journal, May 2014

The synthesis of amine-capped magnetic (Fe, Mn, Co, Ni) oxide nanocrystals and their surface modification for aqueous dispersibility journal, January 2006

PRIMUS: a Windows PC-based system for small-angle scattering data analysis journal, September 2003

Effect of interparticle interactions on size determination of zirconia and silica based systems – A comparison of SAXS, DLS, BET, XRD and TEM journal, January 2012

Alloy Formation of Gold−Silver Nanoparticles and the Dependence of the Plasmon Absorption on Their Composition journal, May 1999

High-temperature thermal expansion of six metallic elements measured by dilatation method and X-ray diffraction journal, February 1988

Catalytic epoxidation of olefins in liquid phase over manganese based magnetic nanoparticles journal, January 2019

Core–shell vs. multi-shell formation in nanoalloy evolution from disordered configurations journal, January 2019

Nanoalloys: From Theory to Applications of Alloy Clusters and Nanoparticles
journal, March 2008

Bimetallic Nanocrystals: Syntheses, Properties, and Applications
journal, July 2016

Room temperature sintering of Ag nanoparticles by drying solvent
journal, September 2008

Facile size-regulated synthesis of silver nanoparticles by controlled thermolysis of silver alkylcarboxylates in the presence of alkylamines with different chain lengths
journal, August 2006

Oleylamine in Nanoparticle Synthesis
journal, February 2013

Silver Nanoparticles Capped by Oleylamine: Formation, Growth, and Self-Organization
journal, May 2007

Preparation of monodisperse Ni nanoparticles and their assembly into 3D nanoparticle superlattices
journal, October 2014

Size-controlled synthesis of monodisperse nickel nanoparticles and investigation of their magnetic and catalytic properties
journal, October 2014

Controlling the crystal structure of Ni nanoparticles by the use of alkylamines
journal, September 2009

Monodisperse Nanoparticles of Ni and NiO: Synthesis, Characterization, Self-Assembled Superlattices, and Catalytic Applications in the Suzuki Coupling Reaction
journal, February 2005

Controlled Design of Size-Tunable Monodisperse Nickel Nanoparticles
journal, February 2010

Size-tuneable synthesis of nickel nanoparticles
journal, January 2012

Near-Monodisperse Ni−Cu Bimetallic Nanocrystals of Variable Composition: Controlled Synthesis and Catalytic Activity for H ₂ Generation
journal, July 2008

Cu–Ni nanoalloy phase diagram – Prediction and experiment
journal, June 2014

Ag-Cu Colloid Synthesis: Bimetallic Nanoparticle Characterisation and Thermal Treatment
journal, January 2014

Heat-induced spinodal decomposition of Ag–Cu nanoparticles
journal, January 2015

Designed Synthesis of Atom-Economical Pd/Ni Bimetallic Nanoparticle-Based Catalysts for Sonogashira Coupling Reactions
journal, April 2004

One-Pot Synthesis of Oleylamine Coated AuAg Alloy NPs and Their Catalysis for CO Oxidation
journal, February 2009

Monodispersed AuPd nanoalloy: composition control synthesis and catalytic properties in the oxidative dehydrogenative coupling of aniline
journal, March 2015

Ternary alloy nanoparticles with controllable sizes and composition and electrocatalytic activity
journal, January 2006

Initial Stages in the Formation of Cu ₂ ZnSn(S,Se) ₄ Nanoparticles
journal, October 2013

Single-Crystalline Hollow Face-Centered-Cubic Cobalt Nanoparticles from Solid Face-Centered-Cubic Cobalt Oxide Nanoparticles
journal, November 2008

The Ag−Ni (Silver-Nickel) system
journal, April 1987

Size dependent microstructure for Ag–Ni nanoparticles
journal, September 2011

Alloys created between immiscible elements
journal, May 2005

Structural coherence between phases in Ni _0.35 Ag _0.65 thin films
journal, May 2000

Growth and energetic stability of AgNi core–shell clusters
journal, September 2004

Competition between Icosahedral Motifs in AgCu, AgNi, and AgCo Nanoalloys: A Combined Atomistic–DFT Study
journal, November 2013

Resonant Raman scattering by quadrupolar vibrations of Ni-Ag core-shell nanoparticles
journal, April 2002

Size and composition dependence in the optical properties of mixed (transition metal/noble metal) embedded clusters
journal, April 2003

Protective agent-free synthesis of Ni–Ag core–shell nanoparticles
journal, December 2006

A facile liquid foam based synthesis of nickel nanoparticles and their subsequent conversion to NicoreAgshell particles: structural characterization and investigation of magnetic properties
journal, January 2004

A one-step facile synthesis of Ag–Ni core–shell nanoparticles in water-in-oil microemulsions
journal, September 2010

Facile synthesis of near-monodisperse Ag@Ni core–shell nanoparticles and their application for catalytic generation of hydrogen
journal, March 2011

Room-Temperature Synthesis of Ag−Ni and Pd−Ni Alloy Nanoparticles
journal, August 2010

Facile synthesis of monodisperse thermally immiscible Ag-Ni alloy nanoparticles at room temperature
journal, October 2014

Synthesis and formation mechanism of Ag–Ni alloy nanoparticles at room temperature
journal, November 2016

Synthesis, structure stability and magnetic properties of nanocrystalline Ag–Ni alloy
journal, April 2012

Synthesis and electromagnetic wave absorption property of Ni–Ag alloy nanoparticles
journal, July 2009

Amorphous Structures in the Immiscible Ag-Ni System
journal, March 2001

Magnetic properties of amorphous Ni60Ag40 films
journal, March 2003

Laser ablation deposition of Cu‐Ni and Ag‐Ni films: Nonconservation of alloy composition and film microstructure
journal, August 1994

Formation of crystalline ${Ag}_{x}$ ${Ni}_{1 - x}$ solid solutions of unusually high supersaturation by laser ablation deposition
journal, May 1994

Synthesis and characterization of Ag–Ni bimetallic nanoparticles by laser-induced plasma
journal, August 2011

Structural evolution of NiAg heterogeneous alloys upon annealing
journal, January 1999

Stability of a nonequilibrium phase in an immiscible Ag-Ni system studied by ab initio calculations and ion-beam-mixing experiment
journal, March 2001

Self-catalyzed chemical vapor deposition method for the growth of device-quality metal thin films
journal, November 2007

Catalytically enhanced H2-free CVD of transition metals using commercially available precursors
journal, September 2007

Low temperature crystalline Ag–Ni alloy formation from silver and nickel nanoparticles entrapped in a fatty acid composite film
journal, November 2001

First application of core-shell Ag@Ni magnetic nanocatalyst for transfer hydrogenation reactions of aromatic nitro and carbonyl compounds
journal, January 2013

Multiply Twinned AgNi Alloy Nanoparticles as Highly Active Catalyst for Multiple Reduction and Degradation Reactions
journal, September 2014

Thermal decomposition study of HAuCl4·3H2O and AgNO3 as precursors for plasmonic metal nanoparticles
journal, May 2014

The synthesis of amine-capped magnetic (Fe, Mn, Co, Ni) oxide nanocrystals and their surface modification for aqueous dispersibility
journal, January 2006

PRIMUS: a Windows PC-based system for small-angle scattering data analysis
journal, September 2003

Effect of interparticle interactions on size determination of zirconia and silica based systems – A comparison of SAXS, DLS, BET, XRD and TEM
journal, January 2012

Alloy Formation of Gold−Silver Nanoparticles and the Dependence of the Plasmon Absorption on Their Composition
journal, May 1999

High-temperature thermal expansion of six metallic elements measured by dilatation method and X-ray diffraction
journal, February 1988

Catalytic epoxidation of olefins in liquid phase over manganese based magnetic nanoparticles
journal, January 2019

Core–shell vs. multi-shell formation in nanoalloy evolution from disordered configurations
journal, January 2019