General and Scalable Synthesis of Mesoporous 2D MZrO2 (M = Co, Mn, Ni, Cu, Fe) Nanocatalysts by Amorphous-to-Crystalline Transformation - Details

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Abstract：

In　modern　heterogeneous　catalysis,　it　remains　highly　challenging　to　create　stable,　low-cost,　mesoporous　2D　photo-/electro-catalysts　that　carry　atomically　dispersed　active　sites.　In　this　work,　a　general　shape-preserving　amorphous-to-crystalline　transformation　(ACT)　strategy　is　developed　to　dope　various　transition　metal　(TM)　heteroatoms　in　ZrO2,　which　enabled　the　scalable　synthesis　of　TMs/oxide　with　a　mesoporous　2D　structure　and　rich　defects.　During　the　ACT　process,　the　amorphous　MZrO2　nanoparticles　(M　=　Fe,　Ni,　Cu,　Co,　Mn)　are　deposited　within　a　confined　space　created　by　the　NaCl　template,　and　they　transform　to　crystalline　2D　ACT-MZrO2　nanosheets　in　a　shape-preserving　manner.　The　interconnected　crystalline　ACT-MZrO2　nanoparticles　thus　inherit　the　same　structure　as　the　original　MZrO2　precursor.　Owing　to　its　rich　active　sites　on　the　surface　and　abundant　oxygen　vacancies　(OVs),　ACT-CoZrO2　gives　superior　performance　in　catalyzing　the　CO2-to-syngas　conversion　as　demonstrated　by　experiments　and　theoretical　calculations.　The　ACT　chemistry　opens　a　general　route　for　the　scalable　synthesis　of　advanced　catalysts　with　precise　microstructure　by　reconciliating　the　control　of　crystalline　morphologies　and　the　dispersion　of　heteroatoms.　©　2024　Wiley-VCH　GmbH.

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amorphous-to-crystalline transformation mesoporous 2D materials oxygen vacancy photocatalytic CO2 reduction scalable synthesis

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[ 1 ] [Yan J.]College of Materials Science and Engineering, Fuzhou University, New Campus, Fujian, Minhou, 350108, China
[ 2 ] [Yan J.]Key Laboratory of Advanced Materials Technologies, Fuzhou University, Fuzhou, 350108, China
[ 3 ] [Luo Y.]College of Materials Science and Engineering, Fuzhou University, New Campus, Fujian, Minhou, 350108, China
[ 4 ] [Luo Y.]Key Laboratory of Advanced Materials Technologies, Fuzhou University, Fuzhou, 350108, China
[ 5 ] [Zhu M.]College of Materials Science and Engineering, Fuzhou University, New Campus, Fujian, Minhou, 350108, China
[ 6 ] [Zhu M.]Key Laboratory of Advanced Materials Technologies, Fuzhou University, Fuzhou, 350108, China
[ 7 ] [Yang B.]College of Materials Science and Engineering, Fuzhou University, New Campus, Fujian, Minhou, 350108, China
[ 8 ] [Yang B.]Key Laboratory of Advanced Materials Technologies, Fuzhou University, Fuzhou, 350108, China
[ 9 ] [Shen X.]College of Materials Science and Engineering, Fuzhou University, New Campus, Fujian, Minhou, 350108, China
[ 10 ] [Shen X.]Key Laboratory of Advanced Materials Technologies, Fuzhou University, Fuzhou, 350108, China
[ 11 ] [Wang Z.]College of Materials Science and Engineering, Fuzhou University, New Campus, Fujian, Minhou, 350108, China
[ 12 ] [Wang Z.]Key Laboratory of Advanced Materials Technologies, Fuzhou University, Fuzhou, 350108, China
[ 13 ] [Zhuang Z.]College of Materials Science and Engineering, Fuzhou University, New Campus, Fujian, Minhou, 350108, China
[ 14 ] [Zhuang Z.]Key Laboratory of Advanced Materials Technologies, Fuzhou University, Fuzhou, 350108, China
[ 15 ] [Yu Y.]College of Materials Science and Engineering, Fuzhou University, New Campus, Fujian, Minhou, 350108, China
[ 16 ] [Yu Y.]Key Laboratory of Advanced Materials Technologies, Fuzhou University, Fuzhou, 350108, China

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ISSN： 1613-6810

Year： 2024

Issue： 24

Volume： 20

1 3 . 0 0 0

JCR@2023

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SCOPUS Cited Count： 1

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