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Title: Directed Self-Assembly of MOF-Derived Nanoparticles toward Hierarchical Structures for Enhanced Catalytic Activity in CO Oxidation

Journal Article · · Advanced Energy Materials
 [1];  [2];  [2];  [3];  [4];  [2];  [2];  [4];  [2];  [3];  [2]; ORCiD logo [3]
  1. Nanjing Tech Univ. (China); Argonne National Lab. (ANL), Argonne, IL (United States)
  2. Nanjing Tech Univ. (China)
  3. Argonne National Lab. (ANL), Argonne, IL (United States)
  4. Nanjing Forest Univ. (China)

The controllable self-assembly of nanomaterials remains a great challenge in nanotechnological applications, especially for the hierarchical structure with high complexity. Herein, by taking the advantage of highly dispersed metal nodes and mild thermal stability of metal-organic frameworks (MOFs), the self-assembly of nanoparticles is directed from MOFs to construct CuO hierarchical structures, which have an inherited octahedral framework consisting of the microspheres, nanowires, and polyhedrons, respectively. Unlike the conventional self-assembly in a solution media (such as solvent and molten solid), the assembly in this work is the first demonstration through a solution-free approach. Finally, compared to the general MOF-derived CuO octahedron, the assembled hierarchical CuO structure exhibits much enhanced catalytic activity in CO oxidation thanks to the exposure of more active sites during the assembly.

Research Organization:
Argonne National Laboratory (ANL), Argonne, IL (United States)
Sponsoring Organization:
USDOE Office of Energy Efficiency and Renewable Energy (EERE); National Key Research and Development Program of China; National Natural Science Foundation of China (NSFC); National Science Funds for Distinguished Young Scholars; Natural Science Foundation (NSF); China Scholarship Council; China National Postdoctoral Council
Grant/Contract Number:
AC02-06CH11357; 2017YFA0207201; 21574065; 21604038; 21908105; BK20160975; BK20160993; 2016M591837; 201608320067; 20170020; AC02‐06CH11357
OSTI ID:
1605901
Alternate ID(s):
OSTI ID: 1574036
Journal Information:
Advanced Energy Materials, Vol. 9, Issue 48; ISSN 1614-6832
Publisher:
WileyCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 25 works
Citation information provided by
Web of Science

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