Viologen-Directed Silver-Thiocyanate-Based Photocatalyst for Rhodamine B Degradation in Artificial Seawater - Details

author：

Zhuang, Xueqiang (Zhuang, Xueqiang.) ^[1] | Huang, Xihe (Huang, Xihe.) ^[2] | Li, Haohong (Li, Haohong.) ^[3] | Lin, Tianjin (Lin, Tianjin.) ^[4] | Gao, Yali (Gao, Yali.) ^[5] Unfold

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EI

Abstract：

Photocatalytic　degradation　is　a　leading　technology　for　complete　mineralization　of　organic　dyes　in　the　ocean.　In　this　work,　a　new　viologen-bearing　silver-thiocyanate-based　photocatalyst,　i.e.,　{(i-PrV)[Ag2(SCN)4]}n　(i-PrV2+　=　isopropyl　viologen)　has　been　synthesized　and　structurally　determined,　with　results　showing　that　it　can　exhibit　excellent　degradation　performance　on　rhodamine　B　(RhB)　in　artificial　seawater.　The　planar　i-PrV2+　dications　are　confined　in　the　free　voids　of　the　[Ag2(SCN)4]n2n−　layer　with　a　two-dimensional　(6,3)　mesh,　and　strong　C-H···S　hydrogen　bonds　contribute　to　its　structural　stabilization.　This　photocatalyst　was　further　characterized　by　powder　X-ray　diffraction　(PXRD),　UV-Vis,　fluorescence,　and　photo/electrical　responsive　measurements,　pointing　to　its　application　in　visible-light-driven　catalysis.　Interestingly,　using　this　photocatalyst,　good　photocatalytic　degradation　performance　on　rhodamine　B　in　artificial　seawater　could　be　observed.　The　dye　pollutant　could　be　degraded　with　a　high　degradation　ratio　of　87.82%　in　220　min.　This　work　provides　a　promising　catalyst　for　organic　dye-type　ocean　pollutant　treatments.　©　2024　by　the　authors.

Keyword：

Bioremediation Hydrogen bonds Marine pollution Photocatalytic activity Photodegradation Praseodymium alloys Rhodamine B Rhodium compounds Seawater X ray powder diffraction

Community：

[ 1 ] [Zhuang, Xueqiang]School of Marine Engineering, Jimei University, Xiamen; 361021, China
[ 2 ] [Zhuang, Xueqiang]Fujian Province Key Laboratory of Ship and Ocean Engineering, Xiamen; 361021, China
[ 3 ] [Zhuang, Xueqiang]Fujian Institute of Innovation for Marine Equipment Detection and Remanufacturing Industrial Technology, Xiamen; 361021, China
[ 4 ] [Huang, Xihe]College of Chemistry, Fuzhou University, Fuzhou; 350116, China
[ 5 ] [Li, Haohong]College of Chemistry, Fuzhou University, Fuzhou; 350116, China
[ 6 ] [Lin, Tianjin]School of Marine Engineering, Jimei University, Xiamen; 361021, China
[ 7 ] [Lin, Tianjin]Fujian Province Key Laboratory of Ship and Ocean Engineering, Xiamen; 361021, China
[ 8 ] [Lin, Tianjin]Fujian Institute of Innovation for Marine Equipment Detection and Remanufacturing Industrial Technology, Xiamen; 361021, China
[ 9 ] [Gao, Yali]School of Marine Engineering, Jimei University, Xiamen; 361021, China
[ 10 ] [Gao, Yali]Fujian Province Key Laboratory of Ship and Ocean Engineering, Xiamen; 361021, China
[ 11 ] [Gao, Yali]Fujian Institute of Innovation for Marine Equipment Detection and Remanufacturing Industrial Technology, Xiamen; 361021, China

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