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author:

Ma, Y. (Ma, Y..) [1] | Li, Z. (Li, Z..) [2]

Indexed by:

Scopus

Abstract:

M/TiO 2 (M = Au and Pt) were prepared by a solvothermal method combined with an in situ photo-reduction process and their photocatalytic performance for transfer hydrogenation of cinnamaldehyde (CAL) to form cinnamyl alcohol (COL) in the presence of isopropanol was investigated under visible light and 365 nm UV light. Although the photocatalytic transformation of CAL to COL can be realized over both Au/TiO 2 and Pt/TiO 2 , they show different activity order under visible light and 365 nm UV light, ie, Au/TiO 2 show superior activity than Pt/TiO 2 under visible light, while an opposite activity order was observed under 365 nm UV light. The hydrogenation to form COL over Pt/TiO 2 reached a turnover frequency (TOF) of 197 h −1 under 365 nm UV light, which is among the highest in all the already reported systems for hydrogenation and transfer hydrogenation of CAL to form COL. The superior performance observed over Pt/TiO 2 at 365 nm can be ascribed to a synergistic effect of plasmonic Pt and the direct excitation of TiO 2 . This study not only provides a green method for the transfer hydrogenation of CAL to form COL, but also highlights the great potential of coupling of plasmonic noble metal nanoparticles with semiconductor photocatalysts for light-induced organic transformations. © 2018 Elsevier B.V.

Keyword:

Cinnamaldehyde; Cminnamyl alcohol; Photocalaysis; Surface plasmon resonance; Transfer hydrogenation

Community:

  • [ 1 ] [Ma, Y.]Research Institute of Photocatalysis, State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350002, China
  • [ 2 ] [Li, Z.]Research Institute of Photocatalysis, State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350002, China

Reprint 's Address:

  • [Li, Z.]Research Institute of Photocatalysis, State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou UniversityChina

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Source :

Applied Surface Science

ISSN: 0169-4332

Year: 2018

Volume: 452

Page: 279-285

5 . 1 5 5

JCR@2018

6 . 3 0 0

JCR@2023

ESI HC Threshold:284

JCR Journal Grade:1

CAS Journal Grade:1

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 45

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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