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Title: A ship-in-a-bottle strategy to synthesize encapsulated intermetallic nanoparticle catalysts: Exemplified for furfural hydrogenation

Journal Article · · ACS Catalysis
 [1];  [1];  [1];  [2];  [1];  [1];  [1];  [3];  [4];  [4];  [5]
  1. Iowa State Univ., Ames, IA (United States)
  2. Ames Lab., Ames, IA (United States)
  3. Ames Lab., Ames, IA (United States); Iowa State Univ., Ames, IA (United States)
  4. Univ. of Kansas, Lawrence, KS (United States)
  5. Iowa State Univ., Ames, IA (United States); Ames Lab., Ames, IA (United States)

In this paper, intermetallic compounds are garnering increasing attention as efficient catalysts for improved selectivity in chemical processes. Here, using a ship-in-a-bottle strategy, we synthesize single-phase platinum-based intermetallic nanoparticles (NPs) protected by a mesoporous silica (mSiO2) shell by heterogeneous reduction and nucleation of Sn, Pb, or Zn in mSiO2-encapsulated Pt NPs. For selective hydrogenation of furfural to furfuryl alcohol, a dramatic increase in activity and selectivity is observed when intermetallic NPs catalysts are used in comparison to Pt@mSiO2. Among the intermetallic NPs, PtSn@mSiO2 exhibits the best performance, requiring only one-tenth of the quantity of Pt used in Pt@mSiO2 for similar activity and near 100% selectivity to furfuryl alcohol. A high-temperature oxidation–reduction treatment easily reverses any carbon deposition-induced catalyst deactivation. X-ray photoelectron spectroscopy shows the importance of surface composition to the activity, whereas density functional theory calculations reveal that the enhanced selectivity on PtSn compared to Pt is due to the different furfural adsorption configurations on the two surfaces.

Research Organization:
Ames Laboratory (AMES), Ames, IA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
AC02-07CH11358
OSTI ID:
1240740
Report Number(s):
IS-J-8780
Journal Information:
ACS Catalysis, Vol. 6, Issue 3; ISSN 2155-5435
Publisher:
American Chemical SocietyCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 120 works
Citation information provided by
Web of Science

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Multiple Cores-Shell Structured Cu@SiO 2 Ultrathin Leaf-Shaped Nanocomposite: Facile Fabrication and Excellent Selective Catalytic Hydrogenation Performance journal May 2018
Selective hydrogenation of furfural on Ru/Al-MIL-53: a comparative study on the effect of aromatic and aliphatic organic linkers journal January 2016
Recent Advances in Catalytic Hydrogenation of Furfural journal September 2019
The selective hydrogenation of furfural over intermetallic compounds with outstanding catalytic performance journal January 2019
Continuous Flow Routes toward Designer Metal Nanocatalysts journal September 2019
An integrated immobilization strategy manipulates dual active centers to boost enantioselective tandem reactions journal January 2018
Transition state and product diffusion control by polymer–nanocrystal hybrid catalysts journal August 2019
Conversion of confined metal@ZIF-8 structures to intermetallic nanoparticles supported on nitrogen-doped carbon for electrocatalysis journal May 2018
Promoting the Direct H 2 O 2 Generation Catalysis by Using Hollow Pd-Sn Intermetallic Nanoparticles journal March 2018
Intermetallic compound catalysts: synthetic scheme, structure characterization and catalytic application journal January 2020
Heterogeneous Nickel Catalysts Derived from 2D Metal–Organic Frameworks for Regulating the Selectivity of Furfural Hydrogenation journal December 2019