Diphenylamino-Modified Neutral Pt(II) Complexes: Their Aggregation-Induced Phosphorescent Emission and Picric Acid-Sensing Properties

被引：1
|
作者：
Zhang, Qinglong [1 ]
Yan, Yingying [1 ]
Cai, Rui [1 ]
Li, Xiao-Na [2 ]
Liu, Chun [1 ]
机构：
[1] Dalian Univ Technol, Frontier Sci Ctr Smart Mat, Sch Chem Engn, State Key Lab Fine Chem, Linggong Rd 2, Dalian 116024, Peoples R China
[2] Dalian Univ Technol, Sch Environm Sci & Technol, Key Lab Ind Ecol & Environm Engn MOE, Dalian 116024, Peoples R China
来源：
MATERIALS | 2024年 / 17卷 / 17期
基金：
中国国家自然科学基金;
关键词：
neutral platinum(II) complex; diphenylamino group; AIPE property; picric acid; aqueous media; CYCLOMETALATED PLATINUM(II) COMPLEXES; TERPYRIDINE COMPLEXES; ACCEPTOR; ENHANCEMENT; BEHAVIOR;
D O I：
10.3390/ma17174366
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Three neutral Pt(II) complexes with diphenylamino-modified 2-phenylpyridine derivatives as cyclometalating ligands and acetylacetone as the ancillary ligand exhibit aggregation-induced phosphorescent emission (AIPE) properties in THF/H2O. The crystal structures of the complexes highlight the contributions of non-covalent Pt<middle dot><middle dot><middle dot>Pt interactions and hydrogen bonds to the AIPE properties. These AIPE-active Pt(II) complexes 1-3 have been successfully applied to detect picric acid (PA) in aqueous media, affording the lowest limit of detection at 70 nM. Furthermore, three Pt(II) complexes are able to detect PA in common water samples. The quenching of luminescence in the detection can be attributed to photo-induced electron transfer.
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页数：13
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