Incorporating polyoxometalates and organic ligands to pursue 3d-4f heterometallic clusters: A series of {Cr4Ln4} clusters stabilized by phthalic acid and [SiW12O40]4- - Details

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Abstract：

By　introduction　of　trilacunary　Keggin-type　polyoxometalate　to　the　hydrothermal　reaction　system　of　Cr3+,　Ln3+　and　phthalic　acid,　a　series　of　novel　{Cr4Ln4}　heterometallic　clusters　with　the　formula　Cs2[Cr4Ln4(μ4-O)4(μ3-O)4(C8H4O4)4(H2O)12](H3SiW12O40)Cl·23H2O　(1-Ln,　Ln　=　Ce,　Pr,　Nd)　and　[Cr4Ln4(μ4-O)4(μ3-O)4(C8H4O4)4(H2O)10](H6SiW12O40)Cl2·18H2O　(2-Ln,　Ln　=　Sm,　Eu,　Gd,　Tb,　Dy,　Ho,　Er)　have　been　obtained.　Single-crystal　structural　analyses　show　that　1-Ln　and　2-Ln　constitute　the　first　cases　of　Cr-Ln　heterometallic　clusters　stabilized　by　inorganic　polyoxometalate　anions　and　organic　ligands.　Optical　spectra　studies　demonstrate　that　1-Ln　and　2-Ln　are　narrow-gap　semiconductors　with　band　gaps　of　about　1.5　eV.　Magnetic　investigation　shows　that　compound　2-Dy　is　a　potential　single　molecule　magnet.　©　The　Royal　Society　of　Chemistry.

Keyword：

Carboxylic acids Energy gap Ligands Metallic compounds Narrow band gap semiconductors Polyoxometalates Silicon Single crystals

Community：

[ 1 ] [Gu, Ya-Nan]State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou Fujian; 350108, China
[ 2 ] [Zhao, Dan]Fuqing Branch, Fujian Normal University, Fuqing Fujian; 350300, China
[ 3 ] [Yu, Hao]State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou Fujian; 350108, China
[ 4 ] [Ge, Rui]State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou Fujian; 350108, China
[ 5 ] [Li, Zhong]State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou Fujian; 350108, China
[ 6 ] [Tian, Chong-Bian]State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou Fujian; 350108, China
[ 7 ] [Li, Xin-Xiong]State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou Fujian; 350108, China
[ 8 ] [Sun, Yan-Qiong]State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou Fujian; 350108, China
[ 9 ] [Zheng, Shou-Tian]State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou Fujian; 350108, China

Reprint 's Address：

[li, xin-xiong]state key laboratory of photocatalysis on energy and environment, college of chemistry, fuzhou university, fuzhou fujian; 350108, china

Email：

lxx@fzu.edu.cn

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Source ：

RSC Advances

Year： 2019

Issue： 24

Volume： 9

Page： 13543-13549

3 . 1 1 9

JCR@2019

3 . 9 0 0

JCR@2023

ESI HC Threshold：184

CAS Journal Grade：3

Cited Count：

WoS CC Cited Count：

SCOPUS Cited Count： 11

ESI Highly Cited Papers on the List： 0 Unfold All

WanFang Cited Count：

Chinese Cited Count：

30 Days PV： 1

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