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A novel, mesoporous molybdenum doped titanium dioxide/reduced graphene oxide composite as a green, highly efficient solid acid catalyst for acetalization

Journal Article · · Dalton Transactions
DOI:https://doi.org/10.1039/c9dt03633d· OSTI ID:1800621
 [1];  [2];  [3];  [2];  [3];  [4]
  1. Univ. of Connecticut, Storrs, CT (United States). Dept. of Chemistry; OSTI
  2. Univ. of Connecticut, Storrs, CT (United States). Dept. of Chemistry
  3. Univ. of Connecticut, Storrs, CT (United States). Inst. of Materials Science
  4. Univ. of Connecticut, Storrs, CT (United States). Dept. of Chemistry. Inst. of Materials Science
A novel, mesoporous composite of Mo doped TiO2/reduced graphene oxide is synthesized to be used as a highly efficient heterogeneous acid catalyst. The composite has a high surface area (263 m2 g-1) and a monomodal pore size distribution with an average pore diameter of 3.4 nm. A comprehensive characterization of the synthesized material was done using PXRD, Raman, BET, SEM, EDX, TEM, TGA, and XPS. The composite exhibited excellent catalytic activity (1.6 h-1 TOF, >99% GC yield, and >99% selectivity) towards acetalization of cyclohexanone at room tempertaure within 30 minutes. The catalyst was reusable up to 4 reaction cycles without any significant loss in the activity and the acidic site calculations showed that the reaction is mostly driven by the weak acidic sites on the composite.
Research Organization:
Univ. of Connecticut, Storrs, CT (United States)
Sponsoring Organization:
USDOE; USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
FG02-86ER13622
OSTI ID:
1800621
Alternate ID(s):
OSTI ID: 1577383
Journal Information:
Dalton Transactions, Journal Name: Dalton Transactions Journal Issue: 12 Vol. 49; ISSN 1477-9226
Publisher:
Royal Society of ChemistryCopyright Statement
Country of Publication:
United States
Language:
English

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