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author：

Wang, X. (Wang, X..) [1] | Lu, X. (Lu, X..) [2] | Zhao, X. (Zhao, X..) [3] | Chen, W.-J. (Chen, W.-J..) [4] | Liu, Y. (Liu, Y..) [5] | Pan, X. (Pan, X..) [6] | Liang, S. (Liang, S..) [7]

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Scopus

Abstract：

Reasonable　adjustment　of　the　exposed　crystal　facets　has　been　proven　to　be　an　effective　strategy　to　improve　the　activity　of　the　catalyst.　However,　the　crystal-facet-dependent　piezoactivity　is　rarely　investigated.　In　this　work,　BiFeO3　with　highly　exposed　(012)　or　(110)　crystal　facets　were　synthesized　by　adjusting　the　volume　ratio　of　solvent　and　reaction　time.　Ethylene　glycol　was　used　as　a　structure-directing　agent　for　the　synthesis　of　BiFeO3　nanosheets　(BiFeO3-NS)　with　highly　exposed　(012)　facets.　BiFeO3-NS　shows　an　obvious　higher　piezoelectric　catalytic　hydrogen　evolution　rate　than　that　of　BiFeO3　nanoparticles　(BiFeO3-NP)　with　highly　exposed　(110)　facets.　In　addition,　the　rate　constant　of　BiFeO3-NS　for　the　piezocatalytic　degradation　of　rhodamine　B　(RhB)　shows　a　2-fold　increase　than　that　of　BiFeO3-NP.　A　variety　of　controlled　experiments　have　been　performed.　It　is　revealed　that　these　two　nanomaterials　exhibit　comparable　specific　surface　areas　and　adsorption　capacity.　BiFeO3-NS　possesses　narrowed　bandgap　as　compared　to　that　of　BiFeO3-NP.　The　enhanced　piezocatalytic　activity　of　BiFeO3-NS　can　be　attributed　to　its　built-in　electric　field,　strong　carrier　mobility,　and　effective　charge　separation　efficiency.　This　study　provides　an　alternative　perspective　for　piezoelectric　catalysis　in　surface　engineering.　©　2024　American　Chemical　Society.

Keyword：

BiFeO3 crystal facets dye degradation hydrogen evolution piezocatalysis

Community：

  • [ 1 ] [Wang X.]National Engineering Research Center of Chemical Fertilizer Catalyst Fuzhou University, Fuzhou, 350002, China
  • [ 2 ] [Wang X.]College of Chemical Engineering and Materials, Quanzhou Normal University, Quanzhou, 362000, China
  • [ 3 ] [Lu X.]College of Chemical Engineering and Materials, Quanzhou Normal University, Quanzhou, 362000, China
  • [ 4 ] [Lu X.]College of Environmental-and-Resource-Sciences, College of Carbon Neutral Modern Industry, Fujian Key Laboratory of Pollution Control & Resource Reuse, Fujian Normal University, Fuzhou, 350007, China
  • [ 5 ] [Zhao X.]College of Chemical Engineering and Materials, Quanzhou Normal University, Quanzhou, 362000, China
  • [ 6 ] [Chen W.-J.]College of Chemical Engineering and Materials, Quanzhou Normal University, Quanzhou, 362000, China
  • [ 7 ] [Liu Y.]College of Chemical Engineering and Materials, Quanzhou Normal University, Quanzhou, 362000, China
  • [ 8 ] [Pan X.]National Engineering Research Center of Chemical Fertilizer Catalyst Fuzhou University, Fuzhou, 350002, China
  • [ 9 ] [Pan X.]College of Chemical Engineering and Materials, Quanzhou Normal University, Quanzhou, 362000, China
  • [ 10 ] [Liang S.]National Engineering Research Center of Chemical Fertilizer Catalyst Fuzhou University, Fuzhou, 350002, China

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Source ：

ACS Applied Nano Materials

ISSN： 2574-0970

Year： 2024

Issue： 10

Volume： 7

Page： 11794-11802

5 . 3 0 0

JCR@2023

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