Synthesis and crystallization of a carboxylate functionalized N-heterocyclic carbene-based Au13 cluster with strong photo-luminescence

被引：4

作者：

Yuan, Xiting ^{[1
]}

Ye, Zichen ^{[2
,3
]}

Malola, Sami ^{[4
]}

Shekhah, Osama ^{[1
]}

Jiang, Hao ^{[2
,3
]}

Hu, Xinyan ^{[2
,3
]}

Wang, Jian-Xin ^{[1
,5
]}

Wang, Hong ^{[5
]}

Shkurenko, Aleksander ^{[1
]}

Jia, Jiangtao ^{[1
]}

Guillerm, Vincent ^{[1
]}

Mohammed, Omar F. ^{[5
]}

Chen, Xiaolan ^{[2
,3
]}

Zheng, Nanfeng ^{[2
,3
]}

Haekkinen, Hannu ^{[4
]}

Eddaoudi, Mohamed ^{[1
]}

机构：

[1] King Abdullah Univ Sci & Technol KAUST, Adv Membranes & Porous Mat Ctr AMPM, Div Phys Sci & Engn PSE, Funct Mat Design Discovery & Dev Res Grp FMD3, Thuwal 239556900, Saudi Arabia

[2] Xiamen Univ, Coll Chem & Chem Engn, Collaborat Innovat Ctr Chem Energy Mat, State Key Lab Phys Chem Solid Surfaces, Xiamen 361005, Peoples R China

[3] Xiamen Univ, Coll Chem & Chem Engn, Dept Chem, Xiamen 361005, Peoples R China

[4] Univ Jyvaskyla, Nanosci Ctr, Dept Phys & Chem, FI-40014 Jyvaskyla, Finland

[5] King Abdullah Univ Sci & Technol KAUST, Adv Membranes & Porous Mat Ctr AMPM, Div Phys Sci & Engn PSE, Thuwal 239556900, Saudi Arabia

来源：

CHEMICAL SCIENCE | 2024年 / 15卷 / 39期

基金：

芬兰科学院;

关键词：

GOLD CLUSTERS; METAL NANOCLUSTERS; NANOPARTICLES;

D O I：

10.1039/d4sc04594g

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Here we report the synthesis and crystallization of a -COOH-capped N-heterocyclic carbene (NHC)-protected Au-13 cluster. The single-crystal structure of the -COOH-capped NHC-Au-13 cluster reveals a classic icosahedral core with one Au atom in its center. The icosahedral core is surrounded by five NHC ligands with pseudo C5 symmetry and exposed carboxyls in a pentagonal antiprism fashion. The detailed formula of the Au cluster was identified as Au-13(bi-NHC carboxyl)(5)Cl-2 (hereafter abbreviated as Au13-c). The density functional theory (DFT) calculations confirm that Au13-c is an electronically stable eight-electron super-atom cluster and elucidate its optical transitions in the UV-Vis range. The Au13-c cluster exhibits excellent thermal and chemical stability under bio-relevant conditions. Additionally, this cluster shows a strong red emission in DMF and H2O with an excellent quantum yield (QY) of 40% and 12.6%, respectively. The high QY of Au13-c enables its use in cell imaging on both cancer and noncancerous cells.

引用

页码：16112 / 16117

页数：6

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