Atomically Precise Strategy to a PtZn Alloy Nanocluster Catalyst for the Deep Dehydrogenation of n-Butane to 1,3-Butadiene

被引：78

作者：

Camacho-Bunquin, Jeffrey ^{[1
]}

Ferrandon, Magali S. ^{[1
]}

Sohn, Hyuntae ^{[1
]}

Kropf, A. Jeremy ^{[1
]}

Yang, Ce ^{[1
]}

Wen, Jianguo ^{[2
]}

Hackler, Ryan A. ^{[3
]}

Liu, Cong ^{[1
]}

Celik, Gokhan ^{[1
]}

Marshall, Christopher L. ^{[1
]}

Stair, Peter C. ^{[1
,3
]}

Delferro, Massimiliano ^{[1
]}

机构：

[1] Argonne Natl Lab, Chem Sci & Engn Div, 9700 S Cass Ave, Lemont, IL 60439 USA

[2] Argonne Natl Lab, Ctr Nanoscale Mat, 9700 S Cass Ave, Lemont, IL 60439 USA

[3] Northwestern Univ, Dept Chem, 2145 Sheridan Rd, Evanston, IL 60208 USA

来源：

ACS CATALYSIS | 2018年 / 8卷 / 11期

关键词：

atomic layer deposition; non-oxidative dehydrogenation; nanoparticles; alloy; 1,3-butadiene; MESOPOROUS SBA-15 SILICA; LAYER DEPOSITION; PROPANE DEHYDROGENATION; BIMETALLIC NANOPARTICLES; PLATINUM CATALYSTS; LIGHT ALKANES; METAL; SURFACES; ZINC; STABILIZATION;

D O I：

10.1021/acscatal.8b02794

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

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.

引用

页码：10058 / 10063

页数：11

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