Title: Highly Catalytically Active High-spin Single-atom Iron Catalyst Supported by Catechol-containing Microporous 2D Polymer

Journal Article · · Chemistry Letters
DOI: https://doi.org/10.1246/cl.200416 · OSTI ID:1770134
 [1];  [1];  [2];  [3];  [4];  [5]
  1. Beihang Univ., Beijing (China)
  2. SLAC National Accelerator Lab., Menlo Park, CA (United States). Stanford Synchrotron Radiation Lightsource (SSRL)
  3. Beijing Univ. of Chemical Technology, Beijing (China). Center for Instrumental Analysis
  4. Trinity School of Durham and Chapel Hill, Durham, NC (United States)
  5. Beihang Univ., Beijing (China); Beihang Univ., Beijing (China). Beijing Advanced Innovation Center for Biomedical Engineering
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Traditionally, Fe-SACs are prepared through energy-intense processes, which often lead to the loss of precision in structural features from the starting substrates and impeding rational design. In this work, we have described the synthesis of a unique catechol-containing porous polymer with designed features in the substrates maintained, affording atomically dispersed iron catalyst (Fe-SAC) through treatment of ferrous chloride (FeCl2). An aberration-corrected scanning transmission electron microscope (AC-STEM) and synchrotron X-ray absorption spectroscopy (XAS) were employed to shed light on the local coordination geometry of the atomically dispersed iron catalyst. The resulting Fe-SAC exhibits excellent catalytic performance in reduction of nitroaromatics with highest molar Kapp among all Fe based catalysts.

Research Organization:
SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
Sponsoring Organization:
Beihang University Research Fund; USDOE Office of Science (SC), Basic Energy Sciences (BES); Youth 1000 Talent Fund
Grant/Contract Number:
AC02-76SF00515
OSTI ID:
1770134
Journal Information:
Chemistry Letters, Journal Name: Chemistry Letters Journal Issue: 10 Vol. 49; ISSN 0366-7022
Publisher:
The Chemical Society of JapanCopyright Statement
Country of Publication:
United States
Language:
English

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37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
catechol
porous organic polymer
single-atom iron catalyst