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author:

Hong, Li-Hao (Hong, Li-Hao.) [1] | Yue, Sheng-Nan (Yue, Sheng-Nan.) [2] | Huang, Xing (Huang, Xing.) [3] (Scholars:黄兴) | Sun, Cai (Sun, Cai.) [4] (Scholars:孙财) | Cai, Ping-Wei (Cai, Ping-Wei.) [5] (Scholars:蔡平伟) | Sun, Yan-Qiong (Sun, Yan-Qiong.) [6] (Scholars:孙燕琼) | Li, Xin-Xiong (Li, Xin-Xiong.) [7] (Scholars:李新雄) | Zheng, Shou-Tian (Zheng, Shou-Tian.) [8] (Scholars:郑寿添)

Indexed by:

EI Scopus SCIE

Abstract:

Atomically precise low-nuclearity (n<10) silver nanoclusters (AgNCs) have garnered significant interest due to their size-dependent optical properties and diverse applications. However, their synthesis has remained challenging, primarily due to their inherent instability. The present study introduces a new feasible approach for clustering silver ions utilizing highly negative and redox-inert polyoxoniobates (PONbs) as all-inorganic ligands. This strategy not only enables the creation of novel Ag-PONb composite nanoclusters but also facilitates the synthesis of stable low-nuclearity AgNCs. Using this method, we have successfully synthesized a small octanuclear rhombic [Ag-8](6+) AgNC stabilized by six highly negative [LiNb27O75](14-) polyoxoanions. This marks the first PONb-protected superatomic AgNC, designated as {Ag-8@(LiNb27O75)(6)} (Ag-8@Nb-162), with an aesthetically spherical core-shell structure. The crystalline Ag-8@Nb-162 is stable under ambient conditions, What's more, it is water-soluble and able to maintain its molecular cluster structure intact in water. Further, the stable small [Ag-8](6+) AgNC has interesting temperature- and pH-dependent reversible fluorescence response, based on which a multiple optical encryption mode for anti-counterfeit technology was demonstrated. This work offers a promising avenue for the synthesis of fascinating and stable PONb-protected AgNCs and sheds light on the development of new-type optical functional materials.

Keyword:

fluorescence macromolecules nanoclusters polyoxoniobate silver

Community:

  • [ 1 ] [Hong, Li-Hao]Fuzhou Univ, Coll Chem, State Key Lab Photocatalysis Energy & Environm, Fujian Prov Key Lab Adv Inorgan Oxygenated Mat, Fuzhou 350108, Fujian, Peoples R China
  • [ 2 ] [Yue, Sheng-Nan]Fuzhou Univ, Coll Chem, State Key Lab Photocatalysis Energy & Environm, Fujian Prov Key Lab Adv Inorgan Oxygenated Mat, Fuzhou 350108, Fujian, Peoples R China
  • [ 3 ] [Huang, Xing]Fuzhou Univ, Coll Chem, State Key Lab Photocatalysis Energy & Environm, Fujian Prov Key Lab Adv Inorgan Oxygenated Mat, Fuzhou 350108, Fujian, Peoples R China
  • [ 4 ] [Sun, Cai]Fuzhou Univ, Coll Chem, State Key Lab Photocatalysis Energy & Environm, Fujian Prov Key Lab Adv Inorgan Oxygenated Mat, Fuzhou 350108, Fujian, Peoples R China
  • [ 5 ] [Cai, Ping-Wei]Fuzhou Univ, Coll Chem, State Key Lab Photocatalysis Energy & Environm, Fujian Prov Key Lab Adv Inorgan Oxygenated Mat, Fuzhou 350108, Fujian, Peoples R China
  • [ 6 ] [Sun, Yan-Qiong]Fuzhou Univ, Coll Chem, State Key Lab Photocatalysis Energy & Environm, Fujian Prov Key Lab Adv Inorgan Oxygenated Mat, Fuzhou 350108, Fujian, Peoples R China
  • [ 7 ] [Li, Xin-Xiong]Fuzhou Univ, Coll Chem, State Key Lab Photocatalysis Energy & Environm, Fujian Prov Key Lab Adv Inorgan Oxygenated Mat, Fuzhou 350108, Fujian, Peoples R China
  • [ 8 ] [Zheng, Shou-Tian]Fuzhou Univ, Coll Chem, State Key Lab Photocatalysis Energy & Environm, Fujian Prov Key Lab Adv Inorgan Oxygenated Mat, Fuzhou 350108, Fujian, Peoples R China

Reprint 's Address:

  • [Li, Xin-Xiong]Fuzhou Univ, Coll Chem, State Key Lab Photocatalysis Energy & Environm, Fujian Prov Key Lab Adv Inorgan Oxygenated Mat, Fuzhou 350108, Fujian, Peoples R China;;[Zheng, Shou-Tian]Fuzhou Univ, Coll Chem, State Key Lab Photocatalysis Energy & Environm, Fujian Prov Key Lab Adv Inorgan Oxygenated Mat, Fuzhou 350108, Fujian, Peoples R China;;

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Source :

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

ISSN: 1433-7851

Year: 2024

Issue: 29

Volume: 63

1 6 . 1 0 0

JCR@2023

CAS Journal Grade:1

Cited Count:

WoS CC Cited Count: 16

SCOPUS Cited Count: 11

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

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