Journal
ACS CATALYSIS
Volume 8, Issue 11, Pages 10058-10063Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acscatal.8b02794
Keywords
atomic layer deposition; non-oxidative dehydrogenation; nanoparticles; alloy; 1,3-butadiene
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Funding
- U.S. Department of Energy (DOE), Office of Basic Energy Sciences, Division of Chemical Sciences, Geosciences, and Biosciences [DE-AC02-06CH11357]
- U.S. Department of Energy, Office of Science, and Office of the Basic Energy Sciences [DE-AC-02-06CH11357]
- Department of Energy
- MRCAT
- U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences [DE-AC02-06CH11357]
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The development of on-purpose 1,3-butadiene (BDE) technologies remains an active area in catalysis research, because of the importance of BDE in industrial polymer production. Here, we report on a nonoxidative dehydrogenation catalyst for the production of BDE prepared by atomically precise installation of platinum sites on a Zn-modified SiO2 support via atomic layer deposition (ALD). In situ reduction X-ray absorption spectroscopy (XAS), X-ray photoelectron spectroscopy (XPS), CO chemisorption, and high-angle annular dark-field (HAADF) scanning transmission electron microscopy (STEM) imaging of activated PtZn/SiO2, revealed the formation of a uniform, well-distributed subnanometer- to nanometer-sized PtZn (1.2 +/- 0.3 nm) alloy as the active catalytic species.
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