Quantitatively in Situ Imaging Silver Nanowire Hollowing Kinetics
- Nanjing Univ., Jiangsu (China); Bryn Mawr College, Bryn Mawr, PA (United States)
- Bryn Mawr College, Bryn Mawr, PA (United States)
- Argonne National Lab. (ANL), Argonne, IL (United States)
- Temple Univ., Philadelphia, PA (United States)
- 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
Cited by: 19 works
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