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Title: Pentatwinned Cu Nanowires with Ultrathin Diameters below 20 nm and Their Use as Templates for the Synthesis of Au-Based Nanotubes

Journal Article · · ChemNanoMat
 [1];  [2];  [2];  [3];  [4];  [2];  [4];  [5];  [6]
  1. Georgia Inst. of Technology, Atlanta, GA (United States). Wallace H. Coulter Dept. of Biomedical Engineering; Wuhan Univ. (China). Key Lab. of Analytical Chemistry Biology and Medicine, Ministry of Education, College of Chemistry and Molecular Sciences
  2. Georgia Inst. of Technology, Atlanta, GA (United States). Wallace H. Coulter Dept. of Biomedical Engineering
  3. Brookhaven National Lab. (BNL), Upton, NY (United States). Condensed Matter Physics and Materials Science Dept.
  4. Georgia Inst. of Technology, Atlanta, GA (United States). School of Chemistry and Biochemistry, School of Chemical and Biomolecular Engineering
  5. Wuhan Univ. (China). Key Lab. of Analytical Chemistry Biology and Medicine, Ministry of Education, College of Chemistry and Molecular Sciences
  6. Georgia Inst. of Technology, Atlanta, GA (United States). Wallace H. Coulter Dept. of Biomedical Engineering; Georgia Inst. of Technology, Atlanta, GA (United States). School of Chemistry and Biochemistry, School of Chemical and Biomolecular Engineering
+ Show Author Affiliations

Here, we report a one-pot method for the facile synthesis of Cu nanowires in high purity, together with ultrathin diameters well below 20 nm. Selected area electron diffraction and high-resolution transmission electron microscopy studies confirm that the Cu nanowires are grown along the <110> direction to give pentatwinned, one-dimensional nanostructures, enclosed by five {100} facets on the side surface. A systematic study further indicates that it is critical to conduct the synthesis under an argon atmosphere in order to improve the purity and uniformity of the nanowires while keeping their diameters thinner than 20 nm. Finally, we demonstrate the use of these nanowires as sacrificial templates for the synthesis of Au-based nanotubes through a galvanic replacement process.

Research Organization:
Brookhaven National Laboratory (BNL), Upton, NY (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22); National Science Foundation (NSF)
Grant/Contract Number:
SC0012704
OSTI ID:
1412645
Report Number(s):
BNL--114322-2017-JA; KC0201010
Journal Information:
ChemNanoMat, Journal Name: ChemNanoMat Journal Issue: 3 Vol. 3; ISSN 2199-692X
Publisher:
WileyCopyright Statement
Country of Publication:
United States
Language:
English

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Cited By (3)

Construction of Defect‐Rich RhCu Nanotubes with Highly Active Rh 3 Cu 1 Alloy Phase for Overall Water Splitting in All pH Values journal January 2020
Aqueous-Phase Synthesis of Size-Tunable Copper Nanocubes for Efficient Aryl Alkyne Hydroboration journal August 2017
Pt and RhPt dendritic nanowires and their potential application as anodic catalysts for fuel cells journal January 2019

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Related Subjects

75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
argon protection
copper
hollow nanostructures
nanowires
reduction kinetics