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  • Mo 3 S 13 2− Intercalated Layered Double Hydroxide: Highly Selective Removal of Heavy Metals and Simultaneous Reduction of Ag + Ions to Metallic Ag 0 Ribbons
Title: Mo 3 S 13 2− Intercalated Layered Double Hydroxide: Highly Selective Removal of Heavy Metals and Simultaneous Reduction of Ag + Ions to Metallic Ag 0 Ribbons
Award ID(s):
2003476
PAR ID:
10325512
Author(s) / Creator(s):
; ; ; ; ; ; ; ; ; ; ; ;
Date Published:
Journal Name:
Angewandte Chemie International Edition
Volume:
61
Issue:
1
ISSN:
1433-7851
Format(s):
Medium: X
Sponsoring Org:
National Science Foundation
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  1. ; ; ; (, The Journal of Physical Chemistry B)
  2. ; ; ; ; ; (, Angewandte Chemie International Edition)
    Abstract Although most class (b) transition metals have been studied in regard to CH4activation, divalent silver (AgII), possibly owing to its reactive nature, is the only class (b) high‐valent transition metal center that is not yet reported to exhibit reactivities towards CH4activation. We now report that electrochemically generated AgIImetalloradical readily functionalizes CH4into methyl bisulfate (CH3OSO3H) at ambient conditions in 98 % H2SO4. Mechanistic investigation experimentally unveils a low activation energy of 13.1 kcal mol−1, a high pseudo‐first‐order rate constant of CH4activation up to 2.8×103 h−1at room temperature and a CH4pressure of 85 psi, and two competing reaction pathways preferable towards CH4activation over solvent oxidation. Reaction kinetic data suggest a Faradaic efficiency exceeding 99 % beyond 180 psi CH4at room temperature for potential chemical production from widely distributed natural gas resources with minimal infrastructure reliance. 
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  3. ; ; ; ; ; ; ; ; ; (, Angewandte Chemie International Edition)
  4. ; ; ; ; ; (, The Journal of Physical Chemistry Letters)
  5. ; (, ACS Applied Energy Materials)
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