Silver clusters based sensor for Low content formaldehyde detection in colorimetric and fluorometric dual Mode

被引：48
|
作者：
Yao, Decui [1 ]
Wang, Yige [1 ]
Li, Huanrong [1 ]
机构：
[1] Hebei Univ Technol, Sch Chem Engn & Technol, Tianjin Key Lab Chem Proc Safety, Natl Local Joint Engn Lab Energy Conservat Chem P, Guangrong Dao 8, Tianjin 300130, Peoples R China
来源：
SENSORS AND ACTUATORS B-CHEMICAL | 2020年 / 305卷 / 305期
基金：
中国国家自然科学基金;
关键词：
Luminescent; Silver clusters; Silver; Nanoparticles; Formaldehyde; Sensor; LOADED ZEOLITES; NANOPARTICLES; LUMINESCENT; ASSAY;
D O I：
10.1016/j.snb.2019.127451
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Formaldehyde is harmful to human health and can cause carcinogenic, central nervous system injury and skin allergies. Formaldehyde sensor with fast detection and low limit of detection (LOD) is highly desirable. Herein we report a strong green emitting material by heating the silver-exchanged zeolites of faujasite Y type (FAUY) under a mild condition of 60 degrees C, originating from silver clusters (Ag CLs), which can be used as an effective sensor for detecting formaldehyde via colorimetric and fluorometric dual mode. The LOD meets with World Health Organization (WHO) and Occupational Safety and Health Administration (OSHA) permissible limit, showing a prospect for the formaldehyde sensing.
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页数：6
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