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Sensors and actuators. B, Chemical v.259, 2018년, pp.840 - 846   SCI SCIE SCOPUS
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An AIPE-active heteroleptic Ir(III) complex for latent fingermarks detection

Liu, Rui (Department of Applied Chemistry, College of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, PR China ) ; Song, Zhongming (Department of Applied Chemistry, College of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, PR China ) ; Li, Yuhao (College of Science, University of Shanghai for Science and Technology, Shanghai 200093, PR China ) ; Li, Yang (Department of Applied Chemistry, College of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, PR China ) ; Yao, Wanwan (Department of Applied Chemistry, College of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, PR China ) ; Sun, Haoling (Department of Applied Chemistry, College of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, PR China ) ; Zhu, Hongjun (Department of Applied Chemistry, College of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, PR China ) ;
  • 초록  

    Abstract The existence of a sensitive, accurate and convenient method to visualize latent fingermarks (LFs) is of great importance for police identification. In this work, a novel heteroleptic cationic Ir(III) complex ( DX-5 ), which exhibits dual emission ( λ max = 3 362 nm, Ф = 0.16 0.16 and λ max = 4 494 nm, Ф = 0.59) 0.59) and aggregation-induced phosphorescent emission (AIPE) characteristics, was designed and synthesized. This complex was used to enhance the visualization of LFs on different surfaces of porous and non-porous substrates. The results illustrate that complex DX-5 can define the details of LFs up to the third level within 5 min, proving to be a candidate material for criminal investigations applications. Highlights A heteroleptic Ir(III) complex was first used for latent fingermarks detection. This complex exhibits aggregation-induced phosphorescent emission features. This complex can define latent fingermarks up to the third levels within 5 min. Graphical abstract [DISPLAY OMISSION]


  • 주제어

    Latent fingermarks .   AIPE .   Phosphorescence .   Ir(III) complex .   Third level .   Visualization.  

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