A facile preparation of ZnGa2O4photonic crystals with enhanced light absorption and photocatalytic activity - Details

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Photonic　crystals　of　multiple　metal　oxides　with　highly　ordered　structures　and　unique　photonic　effects　have　presented　a　prospective　application　in　designing　of　photocatalysts.　In　this　study,　a　facile　method　was　developed　to　prepare　pure　ZnGa2O4photonic　crystals　with　a　highly　ordered　skeleton　structure　at　a　relatively　low　temperature　(500　°C).　Due　to　facilitated　mass　transport　in　a　highly　ordered　channel,　the　as-prepared　ZnGa2O4photonic　crystals　exhibits　better　photocatalytic　activity　towards　methyl　orange　degradation　compared　to　those　of　porous　ZnGa2O4and　ZnGa2O4nanocrystals.　By　changing　the　pore　diameters　in　the　structure,　a　slow　photon　effect　on　the　blue　edge　of　photonic　band　gap　could　be　observed,　which　consequently　enhanced　the　electronic　band　absorption　over　ZnGa2O4photonic　crystals　with　a　pore　diameter　of　180　nm,　and　further　improved　their　corresponding　photocatalytic　activity.　Furthermore,　the　degradation　mechanism　over　ZnGa2O4photonic　crystals　was　discussed.　The　preparation　of　ZnGa2O4photonic　crystals　in　this　study　provides　experimental　guidance　for　developing　ternary　metal　oxide　photonic　crystals　with　enhanced　light　absorption　and　photocatalytic　activities.　This　journal　is　©　the　Partner　Organisations　2014.

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[ 1 ] [Li, X.]Research Institute of Photocatalysis, State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University, Fuzhou, 350002, China
[ 2 ] [Zhang, X.]Research Institute of Photocatalysis, State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University, Fuzhou, 350002, China
[ 3 ] [Zheng, X.]Research Institute of Photocatalysis, State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University, Fuzhou, 350002, China
[ 4 ] [Shao, Y.]Research Institute of Photocatalysis, State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University, Fuzhou, 350002, China
[ 5 ] [He, M.]Research Institute of Photocatalysis, State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University, Fuzhou, 350002, China
[ 6 ] [Wang, P.]Research Institute of Photocatalysis, State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University, Fuzhou, 350002, China
[ 7 ] [Fu, X.]Research Institute of Photocatalysis, State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University, Fuzhou, 350002, China
[ 8 ] [Li, D.]Research Institute of Photocatalysis, State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University, Fuzhou, 350002, China

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[Li, D.]Research Institute of Photocatalysis, State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou UniversityChina

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Journal of Materials Chemistry A

ISSN： 2050-7488

Year： 2014

Issue： 38

Volume： 2

Page： 15796-15802

7 . 4 4 3

JCR@2014

1 0 . 8 0 0

JCR@2023

ESI HC Threshold：355

JCR Journal Grade：1

CAS Journal Grade：1

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ESI Highly Cited Papers on the List： 0 Unfold All

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30 Days PV： 1

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