Fluorine-containing salts not only serve as common counterions for nanoclusters but also interact with cluster molecules,potentially driving their structural transformation.In this work,we successfully achieved the hi...Fluorine-containing salts not only serve as common counterions for nanoclusters but also interact with cluster molecules,potentially driving their structural transformation.In this work,we successfully achieved the highly efficient size transformation from Cu_(8)to Cu_(11)nanoclusters using fluorine-containing counterion salts(NaSbF_(6))as catalysts.Multiple characterization studies,including optical spectroscopy,ESI-MS,and^(19)F NMR,were employed to monitor the cluster transformation.The results indicate that the direct interaction between SbF_(6)^(-)counterions and Cu_(8)nanoclusters is the main driving force behind the size transformation.More importantly,ESI-MS revealed the formation of(Cu_(4))(SbF_(6)^(-))_(y)(Na^(+))_(y)(y≥6)colloidal particles as intermediate products during the transformation.This work provides new insights into the interactions between fluorine-containing salts and nanoclusters.展开更多
基金financial support of the NSFC(22401003,22371003,22101001 and 22471001)the Ministry of Education,Natural Science Foundation of Anhui Province(2408085Y006)+2 种基金the Scientific Research Program of Universities in Anhui Province(2022AH030009 and 2023AH030038)the Scientific Research Startup Foundation of Anhui Jianzhu University(2023QDZ28)the Director Fund of Anhui Advanced Building Materials Engineering Laboratory(JZCL2409ZR).
文摘Fluorine-containing salts not only serve as common counterions for nanoclusters but also interact with cluster molecules,potentially driving their structural transformation.In this work,we successfully achieved the highly efficient size transformation from Cu_(8)to Cu_(11)nanoclusters using fluorine-containing counterion salts(NaSbF_(6))as catalysts.Multiple characterization studies,including optical spectroscopy,ESI-MS,and^(19)F NMR,were employed to monitor the cluster transformation.The results indicate that the direct interaction between SbF_(6)^(-)counterions and Cu_(8)nanoclusters is the main driving force behind the size transformation.More importantly,ESI-MS revealed the formation of(Cu_(4))(SbF_(6)^(-))_(y)(Na^(+))_(y)(y≥6)colloidal particles as intermediate products during the transformation.This work provides new insights into the interactions between fluorine-containing salts and nanoclusters.