Alloy nanoparticle synthesis using ionizing radiation

Nenoff, Tina M; Powers, Dana A; Zhang, Zhenyuan

Title: Alloy nanoparticle synthesis using ionizing radiation

Patent · Tue Aug 16 00:00:00 EDT 2011

OSTI ID:1025576

Nenoff, Tina M ^[1]; Powers, Dana A ^[2]; Zhang, Zhenyuan ^[3]

Sandia Park, NM
Albuquerque, NM
Durham, NC

A method of forming stable nanoparticles comprising substantially uniform alloys of metals. A high dose of ionizing radiation is used to generate high concentrations of solvated electrons and optionally radical reducing species that rapidly reduce a mixture of metal ion source species to form alloy nanoparticles. The method can make uniform alloy nanoparticles from normally immiscible metals by overcoming the thermodynamic limitations that would preferentially produce core-shell nanoparticles.

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Research Organization:: Sandia National Laboratories (SNL), Albuquerque, NM, and Livermore, CA (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: AC04-94AL85000

Assignee:: Sandia Corporation (Albuquerque, NM)

Patent Number(s):: 7,998,239

Application Number:: 12/620,633

OSTI ID:: 1025576

Country of Publication:: United States

Language:: English

References (8)

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Radiolytic Control of the Size of Colloidal Gold Nanoparticles Henglein, Arnim; Meisel, Dan Langmuir, Vol. 14, Issue 26 https://doi.org/10.1021/la981278w	journal	December 1998
In situ coating of microreactor inner wall with nickel nano-particles prepared by γ-irradiation in magnetic field Chang, Zhenqi; Liu, Gang; Zhang, Zhicheng Radiation Physics and Chemistry, Vol. 69, Issue 5 https://doi.org/10.1016/j.radphyschem.2003.08.004	journal	April 2004
Formation and Absorption Spectrum of Copper Nanoparticles from the Radiolytic Reduction of Cu(CN) ₂ ^- Henglein, Arnim The Journal of Physical Chemistry B, Vol. 104, Issue 6 https://doi.org/10.1021/jp992950g	journal	February 2000
Dose Rate Effects on Radiolytic Synthesis of Gold−Silver Bimetallic Clusters in Solution Treguer, M.; de Cointet, C.; Remita, H. The Journal of Physical Chemistry B, Vol. 102, Issue 22 https://doi.org/10.1021/jp981467n	journal	May 1998
Using γ-irradiation to synthesize Ag nanoparticles Liu, Fu-Ken; Hsu, Ya-Chuan; Tsai, Ming-Huei Materials Letters, Vol. 61, Issue 11-12 https://doi.org/10.1016/j.matlet.2006.07.193	journal	May 2007
Electron spin echo studies of solvation structure Kevan, Larry The Journal of Physical Chemistry, Vol. 85, Issue 12 https://doi.org/10.1021/j150612a006	journal	June 1981
Radiolytic Preparation of Ultrafine Colloidal Gold Particles in Aqueous Solution: Optical Spectrum, Controlled Growth, and Some Chemical Reactions Henglein, Arnim Langmuir, Vol. 15, Issue 20 https://doi.org/10.1021/la9901579	journal	September 1999

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Title: Alloy nanoparticle synthesis using ionizing radiation

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