Ultrafast relaxation dynamics in bimetallic plasmonic catalysts

Sim, Sangwan; Beierle, Alyssa; Mantos, Philip; McCrory, Steven; Prasankumar, Rohit P.; Chowdhury, Sanchari

doi:10.1039/d0nr00831a

Title: Ultrafast relaxation dynamics in bimetallic plasmonic catalysts

Abstract

Combining a plasmonic metal, such as gold, with other popular catalysts, such as Ni or Pt, can extend its benefits to many energy-extensive reactions catalyzed by those metals. The efficiency of a plasmon-enhanced catalytic reaction is mainly determined by the light absorption cross section and the photoexcited charge carrier relaxation dynamics of the nanoparticles. Here we have investigated the charge carrier relaxation dynamics of gold/nickel (Au/Ni) and gold/platinum (Au/Pt) bimetallic nanoparticles. We found that the addition of Ni or Pt to gold can reduce light absorption in gold nanoparticles. However, electron–phonon coupling rates of Au/Ni and Au/Pt nanoparticles are significantly faster than that of pure Au nanoparticles. This is due to the fact that both Ni and Pt possess significantly larger electron–phonon coupling constants and higher densities of states near the Fermi level in comparison with Au. Additionally, the phonon–phonon coupling rate of bimetallic Au/Pt and Au/Ni nanoparticles was significantly different from that of pure gold nanoparticles, due to the acoustic impedance mismatch at the nanoparticle/substrate interface. Our findings provide important insights into the rational design of bimetallic plasmonic catalysts.

Authors:

Sim, Sangwan ^[1]; Beierle, Alyssa ^[2]; Mantos, Philip ^[2]; McCrory, Steven ^[2];

^[3];

^[3]

Los Alamos National Lab. (LANL), Los Alamos, NM (United States). Center for Integrated Nanotechnologies (CINT); Hanyang Univ., Ansan (Korea, Republic of)
New Mexico Institute of Mining and Technology, Socorro, NM (United States)
Los Alamos National Lab. (LANL), Los Alamos, NM (United States). Center for Integrated Nanotechnologies (CINT)

Publication Date:: Mon Apr 13 00:00:00 EDT 2020

Research Org.:: Los Alamos National Laboratory (LANL), Los Alamos, NM (United States); Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)

Sponsoring Org.:: USDOE Laboratory Directed Research and Development (LDRD) Program

OSTI Identifier:: 1739983

Alternate Identifier(s):: OSTI ID: 1617063

Report Number(s):: LA-UR-20-20520
Journal ID: ISSN 2040-3364

Grant/Contract Number:: 89233218CNA000001; AC52-06NA25396; NA-0003525

Resource Type:: Accepted Manuscript

Journal Name:: Nanoscale

Additional Journal Information:: Journal Volume: 12; Journal Issue: 18; Journal ID: ISSN 2040-3364

Publisher:: Royal Society of Chemistry

Country of Publication:: United States

Language:: English

Subject:: 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY

Citation Formats


                    Sim, Sangwan, Beierle, Alyssa, Mantos, Philip, McCrory, Steven, Prasankumar, Rohit P., and Chowdhury, Sanchari. Ultrafast relaxation dynamics in bimetallic plasmonic catalysts.  United States: N. p., 2020. 
Web.  doi:10.1039/d0nr00831a.

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                    Sim, Sangwan, Beierle, Alyssa, Mantos, Philip, McCrory, Steven, Prasankumar, Rohit P., & Chowdhury, Sanchari. Ultrafast relaxation dynamics in bimetallic plasmonic catalysts.  United States.  https://doi.org/10.1039/d0nr00831a

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                    Sim, Sangwan, Beierle, Alyssa, Mantos, Philip, McCrory, Steven, Prasankumar, Rohit P., and Chowdhury, Sanchari. Mon .  
"Ultrafast relaxation dynamics in bimetallic plasmonic catalysts".  United States.  https://doi.org/10.1039/d0nr00831a.  https://www.osti.gov/servlets/purl/1739983.

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@article{osti_1739983,

  title        = {Ultrafast relaxation dynamics in bimetallic plasmonic catalysts},

  author       = {Sim, Sangwan and Beierle, Alyssa and Mantos, Philip and McCrory, Steven and Prasankumar, Rohit P. and Chowdhury, Sanchari},

  abstractNote = {Combining a plasmonic metal, such as gold, with other popular catalysts, such as Ni or Pt, can extend its benefits to many energy-extensive reactions catalyzed by those metals. The efficiency of a plasmon-enhanced catalytic reaction is mainly determined by the light absorption cross section and the photoexcited charge carrier relaxation dynamics of the nanoparticles. Here we have investigated the charge carrier relaxation dynamics of gold/nickel (Au/Ni) and gold/platinum (Au/Pt) bimetallic nanoparticles. We found that the addition of Ni or Pt to gold can reduce light absorption in gold nanoparticles. However, electron–phonon coupling rates of Au/Ni and Au/Pt nanoparticles are significantly faster than that of pure Au nanoparticles. This is due to the fact that both Ni and Pt possess significantly larger electron–phonon coupling constants and higher densities of states near the Fermi level in comparison with Au. Additionally, the phonon–phonon coupling rate of bimetallic Au/Pt and Au/Ni nanoparticles was significantly different from that of pure gold nanoparticles, due to the acoustic impedance mismatch at the nanoparticle/substrate interface. Our findings provide important insights into the rational design of bimetallic plasmonic catalysts.},

  doi          = {10.1039/d0nr00831a},

  journal      = {Nanoscale},

  number       = 18,

  volume       = 12,

  place        = {United States},

  year         = {Mon Apr 13 00:00:00 EDT 2020},

  month        = {Mon Apr 13 00:00:00 EDT 2020}

}

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Title: Ultrafast relaxation dynamics in bimetallic plasmonic catalysts

Abstract

Citation Formats

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Ultrafast Excited-State Dynamics in Shape- and Composition-Controlled Gold–Silver Bimetallic Nanostructures journal, February 2017

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Controlling energy flow in multimetallic nanostructures for plasmonic catalysis
journal, July 2017

Noble Metal Alloys for Plasmonics
journal, February 2016

Single-Particle Study of Pt-Modified Au Nanorods for Plasmon-Enhanced Hydrogen Generation in Visible to Near-Infrared Region
journal, May 2014

Aluminum Nanocrystals as a Plasmonic Photocatalyst for Hydrogen Dissociation
journal, January 2016

Cooling dynamics and thermal interface resistance of glass-embedded metal nanoparticles
journal, November 2009

Optimizing Ag-Pt core-shell nanostructures for solar energy conversion, plasmonic photocatalysis, and photothermal catalysis
journal, May 2019

O PTICAL P ROPERTIES AND U LTRAFAST D YNAMICS OF M ETALLIC N ANOCRYSTALS
journal, October 2003

Tuning the spectral and temporal response in PtAu core–shell nanoparticles
journal, February 2001

Comparison of mechanisms of advanced mechanical surface treatments in nickel-based superalloy
journal, August 2013

Billion-fold rate enhancement of urethane polymerization via the photothermal effect of plasmonic gold nanoparticles
journal, January 2015

Fabrication of plasmonic Au–Pd alloy nanoparticles for photocatalytic Suzuki–Miyaura reactions under ambient conditions
journal, January 2017

Hot Hole Photoelectrochemistry on Au@SiO ₂ @Au Nanoparticles
journal, April 2017

Nanoscale thermal transport. II. 2003–2012
journal, March 2014

Light-Enhanced Carbon Dioxide Activation and Conversion by Effective Plasmonic Coupling Effect of Pt and Au Nanoparticles
journal, December 2017

Effect of the Lattice Crystallinity on the Electron−Phonon Relaxation Rates in Gold Nanoparticles
journal, July 2007

Hot Electrons Do the Impossible: Plasmon-Induced Dissociation of H ₂ on Au
journal, December 2012

Formation of AgPt Alloy Nanoislands via Chemical Etching with Tunable Optical and Catalytic Properties
journal, March 2010

Keggin ion-mediated synthesis of aqueous phase-pure Au@Pd and Au@Pt core–shell nanoparticles
journal, January 2004

Ultraviolet–visible absorption spectra of the colloidal metallic elements
journal, January 1991

Three-Dimensional Pt-on-Au Bimetallic Dendritic Nanoparticle: One-Step, High-Yield Synthesis and Its Bifunctional Plasmonic and Catalytic Properties
journal, August 2010

Photophysics of Nanometer Sized Metal Particles: Electron−Phonon Coupling and Coherent Excitation of Breathing Vibrational Modes
journal, November 2000

Photothermal Plasmonic Triggering of Au Nanoparticle Surface Radical Polymerization
journal, December 2011

Silver-copper alloy nanoparticles for metal enhanced luminescence
journal, September 2009

Simple and convenient preparation of Au–Pt core-shell nanoparticles on surface via a seed growth method
journal, December 2006

Optical Studies of Dynamics in Noble Metal Nanostructures
journal, June 2011

Ultrafast Electron Dynamics in Thiolate-Protected Plasmonic Gold Clusters: Size and Ligand Effect
journal, May 2019

Plasmon-Induced Hot Carriers in Metallic Nanoparticles
journal, July 2014

Promoting Ni(II) Catalysis with Plasmonic Antennas
journal, November 2019

Colloidal metal particles as probes of nanoscale thermal transport in fluids
journal, December 2002

Plasmonic effects on CO2 reduction over bimetallic Ni-Au catalysts
journal, February 2019

A Review of Surface Plasmon Resonance-Enhanced Photocatalysis
journal, October 2012

Electron mean free path in elemental metals
journal, February 2016

Plasmonic-metal nanostructures for efficient conversion of solar to chemical energy
journal, November 2011

Nanoscale thermal transport
journal, January 2003