Assembly of Four Ternary Polyoxometalate Aggregates by Integrating Presynthesized {XW9Nb3O40} (X = Si/Ge) Units Using Molybdenum-Oxo Clusters - Details

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Polyoxometalates　(POMs)　have　good　potential　for　applications　in　different　fields,　including　conducting　materials,　optics,　and　electrocatalysis.　Of　particular　significance　is　the　synthesis　and　development　of　addendum　POMs.　Molybdenum-oxo　clusters,　which　are　renowned　for　their　diverse　structures　and　electronic　properties,　were　utilized　to　facilitate　the　synthesis　of　innovative　materials.　Herein,　we　employed　presynthesized　{XW9　Nb3O40}　(X=　Si/Ge)　polyanions　as　secondary　building　units　and　different　molybdenum-oxo　clusters　as　linkers.　Four　new　addendum　POMs　were　constructed,　including　two　dimeric　compounds　Cs10[H2(SiW9Nb3O40)2(Mo2O4C2O4)]·19H2O　(1)　and　Cs8[H4(GeW9Nb3O40)2(Mo2O4C2O4)]·17H2O　(2),　and　two　tetrameric　compounds　Cs15(NH4)[(SiW9Nb3O40)4(Mo4O6)]·42H2O　(3)　and　Cs10K5[H(GeW9Nb3O40)4(Mo4O6)]·39H2O　(4).　Notably,　this　is　the　first　report　of　Mo/W/Nb　ternary　mixed-addendum　POMs.　In　addition,　compounds　3　and　4　facilitate　the　transfer　of　protons　through　extended　hydrogen-bonding　networks　with　conductivity　values　of　1.16　×　10-2　and　7.73　×　10-3　S·cm-1　at　85　°C　and　98%　relative　humidity,　respectively.　Furthermore,　no　discernible　decline　in　conductivity　was　noted　over　the　course　of　10　h.　©　2024　American　Chemical　Society.

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[ 1 ] [Chen S.-J.]Fujian Provincial Key Laboratory of Advanced Inorganic Oxygenated Materials, College of Chemistry, Fuzhou University, Fujian, Fuzhou, 350108, China
[ 2 ] [Ge R.]Fujian Provincial Key Laboratory of Advanced Inorganic Oxygenated Materials, College of Chemistry, Fuzhou University, Fujian, Fuzhou, 350108, China
[ 3 ] [Hong L.-H.]Fujian Provincial Key Laboratory of Advanced Inorganic Oxygenated Materials, College of Chemistry, Fuzhou University, Fujian, Fuzhou, 350108, China
[ 4 ] [Sun Y.-Q.]Fujian Provincial Key Laboratory of Advanced Inorganic Oxygenated Materials, College of Chemistry, Fuzhou University, Fujian, Fuzhou, 350108, China
[ 5 ] [Cai P.-W.]Fujian Provincial Key Laboratory of Advanced Inorganic Oxygenated Materials, College of Chemistry, Fuzhou University, Fujian, Fuzhou, 350108, China
[ 6 ] [Sun C.]Fujian Provincial Key Laboratory of Advanced Inorganic Oxygenated Materials, College of Chemistry, Fuzhou University, Fujian, Fuzhou, 350108, China
[ 7 ] [Li X.-X.]Fujian Provincial Key Laboratory of Advanced Inorganic Oxygenated Materials, College of Chemistry, Fuzhou University, Fujian, Fuzhou, 350108, China
[ 8 ] [Li X.-X.]Key Laboratory of Advanced Energy Materials Chemistry, Ministry of Education, Nankai University, Tianjin, 300071, China
[ 9 ] [Zheng S.-T.]Fujian Provincial Key Laboratory of Advanced Inorganic Oxygenated Materials, College of Chemistry, Fuzhou University, Fujian, Fuzhou, 350108, China

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Inorganic Chemistry

ISSN： 0020-1669

Year： 2025

Issue： 1

Volume： 64

Page： 142-150

4 . 3 0 0

JCR@2023

CAS Journal Grade：1

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