4.7 Article

Reduced graphene oxide based NiCo layered double hydroxide nanocomposites: An efficient catalyst for epoxidation of styrene

Journal

INORGANIC CHEMISTRY COMMUNICATIONS
Volume 104, Issue -, Pages 219-222

Publisher

ELSEVIER SCIENCE BV
DOI: 10.1016/j.inoche.2019.03.044

Keywords

NiCo LDH; Carbon materials; Nanocomposites; Styrene; Selective oxidation

Funding

  1. National Natural Science Foundation of China [51572036, 51472035]
  2. Changzhou Key Laboratory of Graphene-Based Materials for Environment and Safety [CM20153006, CE20185043]
  3. Priority Academic Program Development of Jiangsu Higher Education Institutions

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Reduced graphene oxide (RGO) based NiCo layered double hydroxide nanocomposite (NiCo LDH/RGO) was successfully synthesized by simple hydrothermal method. The as-prepared NiCo LDH/RGO(5) nanocomposite was used to catalyze the epoxidation of styrene with tert-butyl hydroperoxide (TBHP) as oxidant. The conversion rate of styrene and the selectivity of styrene oxide reaches 95.1% and 73.9%, respectively, proving that NiCo LDH/RGO(5) has much better catalytic activity in comparison with other composite catalysts previously reported. Moreover, cycling test shows that the nanocomposite has good catalytic stability.

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