Dual-functional Mo2C quantum dots enriched N-doped graphitic carbon layers in advanced oxidation processes (AOPs) - Details

author：

Dong, Chencheng (Dong, Chencheng.) ^[1] | Bao, Yan (Bao, Yan.) ^[2] | Xing, Mingyang (Xing, Mingyang.) ^[3] | Anpo, Masakazu (Anpo, Masakazu.) ^[4] | Zhang, Jinlong (Zhang, Jinlong.) ^[5]

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Abstract：

Advanced　oxidation　processes　(AOPs)　are　reckoned　effective　for　removing　persistent　and　recalcitrant　pollutants　by　reactive　oxygen　species　(ROSs),　including　hydroxyl　radicals　(•OH),　sulfate　radicals　(SO4•-),　and　superoxide　radicals　(•O2-),　as　well　as　singlet　oxygen　(1O2).　In　this　work,　the　Mo2C　quantum　dots　enriched　N-doped　graphitic　carbon　layers　(Mo2C　QDs/NGCLs)　were　constructed　via　a　facile　two-step　methodology.　Interestingly,　the　Mo2C　QDs/NGCLs　acted　as　a　highly　efficient　cocatalyst　and/or　catalyst　simultaneously　in　AOPs,　in　particular　visible-light-driven　(VLD)　Fenton　and　VLD　PMS　activation.　In　the　hydroxyl　radical-based　AOPs　(•OH-AOPs),　it　exhibited　a　remarkable　removal　efficiency　for　a　range　of　aromatic　organic　pollutants,　including　rhodamine　B　(RhB)　(99.9　%),　phenol　(90　%),　benzophenone-3　(BZP)　(83　%),　methyl　orange　(MO)　(58　%),　methyl　blue　(MB)　(89　%),　ibuprofen　(IBU)　(100　%),　and　carbamazepine　(CBZ)　(50　%).　Sulfate　radicals-based　AOPs　(SR-AOPs)　effectively　degrade　RhB　(72　%),　MO　(83　%),　IBU　(70　%),　and　BZP　(100　%).　Thus,　the　present　findings　confirmed　the　potential　of　transition　metal　carbides　for　AOP　applications　and　established　a　solid　theoretical　and　technical　basis　for　further　research.　©　2022　Elsevier　B.V.

Keyword：

Amides Azo dyes Carbon Doping (additives) Image enhancement Light Nanocrystals Organic pollutants Oxidation Oxygen Quenching Rhodium compounds Semiconductor quantum dots Sulfur compounds Transition metals

Community：

[ 1 ] [Dong, Chencheng]Shanghai Engineering Research Center for Multi-media Environmental Catalysis and Resource Utilization, Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai; 200237, China
[ 2 ] [Bao, Yan]Shanghai Engineering Research Center for Multi-media Environmental Catalysis and Resource Utilization, Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai; 200237, China
[ 3 ] [Xing, Mingyang]Shanghai Engineering Research Center for Multi-media Environmental Catalysis and Resource Utilization, Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai; 200237, China
[ 4 ] [Anpo, Masakazu]State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University, Fuzhou; 350116, China
[ 5 ] [Anpo, Masakazu]Department of Applied Chemistry, Graduate School of Engineering, Osaka Prefecture University (present, Osaka Metropolitan University), Osaka, Sakai; 599-8531, Japan
[ 6 ] [Zhang, Jinlong]Shanghai Engineering Research Center for Multi-media Environmental Catalysis and Resource Utilization, Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai; 200237, China

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Source ：

Applied Catalysis A: General

ISSN： 0926-860X

Year： 2023

Volume： 649

4 . 7

JCR@2023

4 . 7 0 0

JCR@2023

ESI HC Threshold：39

JCR Journal Grade：2

CAS Journal Grade：3

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WoS CC Cited Count：

SCOPUS Cited Count： 6

ESI Highly Cited Papers on the List： 0 Unfold All

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Chinese Cited Count：

30 Days PV： 3

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