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Title: Direct Epoxidation of Propylene over Stabilized Cu+ Surface Sites on Ti Modified Cu2O

Direct propylene epoxidation by O2 is a challenging reaction because of the strong tendency for complete combustion. Results from the current study demonstrate the feasibility to tune the epoxidation selectivity by generating highly dispersed and stabilized Cu+ active sites in a TiCuOx mixed oxide. The TiCuOx surface anchors the key surface intermediate, oxametallacycle, leading to higher selectivity for epoxidation of propylene.
Authors:
 [1] ;  [1] ;  [2] ;  [1] ;  [3] ;  [1] ;  [1] ;  [1] ;  [1] ;  [4]
  1. Brookhaven National Lab. (BNL), Upton, NY (United States)
  2. Univ. of Delaware, Newark, DE (United States)
  3. Peter the Great St. Petersburg Polytechnic Univ. (Russia)
  4. Brookhaven National Lab. (BNL), Upton, NY (United States); Columbia Univ., New York, NY (United States)
Publication Date:
OSTI Identifier:
1214529
Report Number(s):
BNL-108339-2015-JA
Journal ID: ISSN 1521-3773; KC0302010
Grant/Contract Number:
DE-SC00112704
Type:
Accepted Manuscript
Journal Name:
Angewandte Chemie International Edition (Online)
Additional Journal Information:
Journal Name: Angewandte Chemie International Edition (Online); Journal Volume: 54; Journal ID: ISSN 1521-3773
Publisher:
Gesselschaft Deutscher Chemiker
Research Org:
Brookhaven National Laboratory (BNL), Upton, NY (United States)
Sponsoring Org:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY