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author:

Qiu, Yongzhen (Qiu, Yongzhen.) [1] | Zu, Yexin (Zu, Yexin.) [2] | Zhang, Yating (Zhang, Yating.) [3] | Lin, Yue (Lin, Yue.) [4] | Luo, Fang (Luo, Fang.) [5] | Weng, Zuquan (Weng, Zuquan.) [6] | Lin, Cuiying (Lin, Cuiying.) [7] | Wang, Jian (Wang, Jian.) [8] | Qiu, Bin (Qiu, Bin.) [9] | Lin, Zhenyu (Lin, Zhenyu.) [10]

Indexed by:

EI

Abstract:

Herein, we introduced anhydrous 4-aminobenzene sulfonic acid (C6H7NO3S) to passivate the ligands on the surface of CsPbBr3 quantum dots, thereby synthesising a perovskite composite with excellent dispersion and stability in water via a one-pot process, namely CsPbBr3@C6H7NO3S composite. The fluorescence attenuation of CsPbBr3@C6H7NO3S composite was only 2.20 % after 5-day immersion in water, and the CsPbBr3@C6H7NO3S composite maintained excellent luminescence performance in long-term storage (4 months). The CsPbBr3@C6H7NO3S composite was then adopted to construct the fluorescent sensing for the detection of nitrite. Results showed that the fluorescence intensity had a linear relationship with the nitrite concentration in the range of 0.01–50.00 μM, with a detection limit of 3.30 nM. Meanwhile, the detection mechanism was discussed in detail. This work not only provides a sensitive sensing method for the detection of nitrite, but also provides a simple and effective strategy for the synthesis of perovskite. © 2025 Elsevier Ltd

Keyword:

Fluorescence imaging

Community:

  • [ 1 ] [Qiu, Yongzhen]College of Biological Science and Engineering, Fuzhou University, Fujian, Fuzhou; 350116, China
  • [ 2 ] [Qiu, Yongzhen]MOE Key Laboratory of Analysis and Detection for Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, College of Chemistry, Fuzhou University, Fujian, Fuzhou; 350116, China
  • [ 3 ] [Zu, Yexin]College of Biological Science and Engineering, Fuzhou University, Fujian, Fuzhou; 350116, China
  • [ 4 ] [Zu, Yexin]MOE Key Laboratory of Analysis and Detection for Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, College of Chemistry, Fuzhou University, Fujian, Fuzhou; 350116, China
  • [ 5 ] [Zhang, Yating]College of Biological Science and Engineering, Fuzhou University, Fujian, Fuzhou; 350116, China
  • [ 6 ] [Zhang, Yating]MOE Key Laboratory of Analysis and Detection for Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, College of Chemistry, Fuzhou University, Fujian, Fuzhou; 350116, China
  • [ 7 ] [Lin, Yue]MOE Key Laboratory of Analysis and Detection for Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, College of Chemistry, Fuzhou University, Fujian, Fuzhou; 350116, China
  • [ 8 ] [Luo, Fang]College of Biological Science and Engineering, Fuzhou University, Fujian, Fuzhou; 350116, China
  • [ 9 ] [Luo, Fang]MOE Key Laboratory of Analysis and Detection for Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, College of Chemistry, Fuzhou University, Fujian, Fuzhou; 350116, China
  • [ 10 ] [Weng, Zuquan]College of Biological Science and Engineering, Fuzhou University, Fujian, Fuzhou; 350116, China
  • [ 11 ] [Lin, Cuiying]MOE Key Laboratory of Analysis and Detection for Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, College of Chemistry, Fuzhou University, Fujian, Fuzhou; 350116, China
  • [ 12 ] [Wang, Jian]MOE Key Laboratory of Analysis and Detection for Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, College of Chemistry, Fuzhou University, Fujian, Fuzhou; 350116, China
  • [ 13 ] [Qiu, Bin]MOE Key Laboratory of Analysis and Detection for Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, College of Chemistry, Fuzhou University, Fujian, Fuzhou; 350116, China
  • [ 14 ] [Lin, Zhenyu]MOE Key Laboratory of Analysis and Detection for Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, College of Chemistry, Fuzhou University, Fujian, Fuzhou; 350116, China

Reprint 's Address:

  • [luo, fang]college of biological science and engineering, fuzhou university, fujian, fuzhou; 350116, china;;[luo, fang]moe key laboratory of analysis and detection for food safety and biology, fujian provincial key laboratory of analysis and detection technology for food safety, college of chemistry, fuzhou university, fujian, fuzhou; 350116, china

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Source :

Food Chemistry

ISSN: 0308-8146

Year: 2025

Volume: 487

8 . 5 0 0

JCR@2023

CAS Journal Grade:1

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

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