Triple-Phosphorescent Gold Nanoclusters Enabled by Isomerization of Terminal Thiouracils in the Surface Motifs

被引:12
作者
Dong, Weinan [1 ]
Zhang, Fujun [1 ]
Li, Tingting [2 ]
Zhong, Yuan [1 ]
Hong, Le [3 ]
Shi, Yujia [3 ]
Jiang, Feng [1 ]
Zhu, Haifeng [1 ]
Lu, Min [1 ]
Yao, Qiaofeng [4 ]
Xu, Wenwu [5 ]
Wu, Zhennan [1 ]
Bai, Xue [1 ]
Zhang, Yu [1 ]
机构
[1] Jilin Univ, Coll Elect Sci & Engn, State Key Lab Integrated Optoelect, Changchun 130012, Peoples R China
[2] Jilin Jianzhu Univ, Coll Mat Sci & Engn, Changchun 130012, Peoples R China
[3] Jilin Univ, Sch & Hosp Stomatol, Dept Oral Implantol, Changchun 130021, Peoples R China
[4] Tianjin Univ, Sch Sci, Dept Chem, Tianjin Key Lab Mol Optoelect Sci,Minist Educ,Key, Tianjin 300072, Peoples R China
[5] Ningbo Univ, Sch Phys Sci & Technol, Dept Phys, Ningbo 315211, Peoples R China
基金
中国国家自然科学基金;
关键词
ULTRAFAST RELAXATION DYNAMICS; OPTICAL-PROPERTIES; EMISSION; CLUSTERS; LUMINESCENCE; EVOLUTION; LIGANDS; PHONON; BAND;
D O I
10.1021/jacs.4c01291
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Metal nanoclusters (NCs) hold great promise for expressing multipeak emission based on their well-defined total structure with diverse luminescent centers. Herein, we report the surface motif-dictated triple phosphorescence of Au NCs with dynamic color turning. The deprotonation-triggered isomerization of terminal thiouracils can evolve into a mutual transformation among their hierarchical motifs, thus serving a multipeak-emission expression with good tailoring. More importantly, the underlying electron transfer is thoroughly identified by excluding the radiative and nonradiative energy transfer, where electrons flow from the first phosphorescent state to the last two ones. The findings shed light on finely tailing motifs at the molecular level to motivate studies on customizable luminescence characteristics of metal NCs.
引用
收藏
页码:22180 / 22192
页数:13
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