Propylene epoxidation over Au/TS-1 modified by ammonium salt: Enhancement of the attractiveness of gold precursors and supports - Details

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Abstract：

Au　particles　supported　on　TS-1　are　prepared　by　deposition　precipitation　method　with　ammonium　salt　solution　as　promoter.　FT-IR　and　29Si　NMR　indicate　that　the　modifications　do　not　destroy　the　MFI　structure　of　TS-1　and　retain　the　tetra-coordination　skeleton　titanium.　DFT　and　UV–Vis　analysis　show　that　under　the　transition　from　[AuCl4]−　to　[AuCl4-x　(NH3)x]x-1　(x　=　0–2)　in　the　preparation　process,　NH3　enhance　the　attraction　of　gold　precursors　and　supports　(the　gold　capture　effectivity　is　94.5%),　and　C2O42−　reduces　the　gold　complex　into　AuNPs　(1.14　nm).　©　2022　Elsevier　B.V.

Keyword：

Ammonia Gold Gold compounds Precipitation (chemical) Propylene Salts

Community：

[ 1 ] [Dong, Tao]College of Chemical Engineering, Fuzhou University, Fuzhou 350116, China
[ 2 ] [Dong, Tao]National Engineering Research Center of Chemical Fertilizer Catalyst, College of Chemical Engineering, Fuzhou University, Fuzhou 350002, China
[ 3 ] [Huang, Qian]College of Chemical Engineering, Fuzhou University, Fuzhou 350116, China
[ 4 ] [Huang, Qian]National Engineering Research Center of Chemical Fertilizer Catalyst, College of Chemical Engineering, Fuzhou University, Fuzhou 350002, China
[ 5 ] [Chen, Lu]College of Chemical Engineering, Fuzhou University, Fuzhou 350116, China
[ 6 ] [Chen, Lu]National Engineering Research Center of Chemical Fertilizer Catalyst, College of Chemical Engineering, Fuzhou University, Fuzhou 350002, China
[ 7 ] [Peng, Jiahui]College of Chemical Engineering, Fuzhou University, Fuzhou 350116, China
[ 8 ] [Peng, Jiahui]National Engineering Research Center of Chemical Fertilizer Catalyst, College of Chemical Engineering, Fuzhou University, Fuzhou 350002, China
[ 9 ] [Hu, Hui]College of Chemical Engineering, Fuzhou University, Fuzhou 350116, China
[ 10 ] [Huang, Qingming]Testing Center, Fuzhou University, Fujian, Fuzhou; 350116, China
[ 11 ] [Chen, Xiaohui]College of Chemical Engineering, Fuzhou University, Fuzhou 350116, China
[ 12 ] [Chen, Xiaohui]National Engineering Research Center of Chemical Fertilizer Catalyst, College of Chemical Engineering, Fuzhou University, Fuzhou 350002, China

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Source ：

Chemical Physics Letters

ISSN： 0009-2614

Year： 2022

Volume： 804

2 . 8

JCR@2022

2 . 8 0 0

JCR@2023

ESI HC Threshold：74

JCR Journal Grade：2

CAS Journal Grade：4

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WoS CC Cited Count：

SCOPUS Cited Count： 2

ESI Highly Cited Papers on the List： 0 Unfold All

WanFang Cited Count：

Chinese Cited Count：

30 Days PV： 1

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