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  • An Atomistic Picture of Boron Oxide Catalysts for Oxidative Dehydrogenation Revealed by Ultrahigh Field 11 B– 17 O Solid-State NMR Spectroscopy
Title: An Atomistic Picture of Boron Oxide Catalysts for Oxidative Dehydrogenation Revealed by Ultrahigh Field 11 B– 17 O Solid-State NMR Spectroscopy
Boron oxide/hydroxide supported on oxidized activated carbon (B/OAC) was shown to be an inexpensive catalyst for the oxidative dehydrogenation (ODH) of propane that offers activity and selectivity comparable to boron nitride. Here, we obtain an atomistic picture of the boron oxide/hydroxide layer in B/OAC by using 35.2 T 11B and 17O solid-state NMR experiments. NMR spectra measured at 35.2 T resolve the boron and oxygen sites due to narrowing of the central-transition powder patterns. A 35.2 T 2D 11B{17O} dipolar heteronuclear correlation NMR spectrum revealed the structural connectivity between boron and oxygen atoms. The approach outlined here should be generally applicable to determine atomistic structures of heterogeneous catalysts containing quadrupolar nuclei.  more » « less
Award ID(s):
1916809
PAR ID:
10488640
Author(s) / Creator(s):
; ; ; ; ; ; ; ; ; ;
Publisher / Repository:
The American Chemical Society
Date Published:
Journal Name:
Journal of the American Chemical Society
Volume:
144
Issue:
41
ISSN:
0002-7863
Page Range / eLocation ID:
18766 to 18771
Format(s):
Medium: X
Sponsoring Org:
National Science Foundation
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