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Title: Quantitatively in Situ Imaging Silver Nanowire Hollowing Kinetics

Journal Article · · Nano Letters
 [1];  [2];  [3];  [4];  [5];  [2];  [4]
  1. Nanjing Univ., Jiangsu (China); Bryn Mawr College, Bryn Mawr, PA (United States)
  2. Bryn Mawr College, Bryn Mawr, PA (United States)
  3. Argonne National Lab. (ANL), Argonne, IL (United States)
  4. Temple Univ., Philadelphia, PA (United States)
  5. Nanjing Univ., Jiangsu (China)

We report the in-situ investigation of the morphological evolution of silver nanowires to hollow silver oxide nanotubes using transmission x-ray microscopy (TXM). Complex silver diffusion kinetics and hollowing process via the Kirkendall effect have been captured in real time. Further quantitative x-ray absorption analysis reveals the difference between the longitudinal and radial diffusions. In conclusion, the diffusion coefficient of silver in its oxide nanoshell is, for the first time, calculated to be 1.2 × 10-13 cm2/s from the geometrical parameters extracted from the TXM images.

Research Organization:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Organization:
Temple University; China Scholarship Council; USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22), Scientific User Facilities Division
Grant/Contract Number:
AC02-06CH11357
OSTI ID:
1393205
Journal Information:
Nano Letters, Vol. 16, Issue 10; ISSN 1530-6984
Publisher:
American Chemical SocietyCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 19 works
Citation information provided by
Web of Science

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Cited By (7)

In Situ Transmission Electron Microscopy Study of Nanocrystal Formation for Electrocatalysis journal October 2019
Real-time direct transmission electron microscopy imaging of phase and morphology transformation from solid indium oxide hydroxide to hollow corundum-type indium oxide nanocrystallites journal January 2019
In Situ Techniques for Probing Kinetics and Mechanism of Hollowing Nanostructures through Direct Chemical Transformations journal August 2018
Formation of hierarchical porosity in oxidation of Ag films by reactive sputtering deposition of metal oxides via the Kirkendall effect journal January 2019
In Situ Observation of Dynamic Galvanic Replacement Reactions in Twinned Metallic Nanowires by Liquid Cell Transmission Electron Microscopy journal November 2019
Electrochemical investigations of metal nanostructure growth with single crystals journal January 2019
Real-time direct transmission electron microscopy imaging of phase and morphology transformation from solid indium oxide hydroxide to hollow corundum-type indium oxide nanocrystallites text January 2019