Detection of volatile organic compounds (VOCs), aliphatic amines, using highly fluorescent organic-inorganic hybrid perovskite nanoparticles

被引：48

作者：

Kim, Sung-Hoon ^{[1
]}

Kirakosyan, Artavazd ^{[2
]}

Choi, Jihoon ^{[2
]}

Kim, Jong H. ^{[3
,4
]}

机构：

[1] Kyungpook Natl Univ, Dept Text Syst Engn, Daegu 702701, South Korea

[2] Chungnam Natl Univ, Dept Mat Sci & Engn, Daejeon 305764, South Korea

[3] Ajou Univ, Dept Mol Sci & Technol, Suwon 443749, South Korea

[4] Ajou Univ, Dept Appl Chem & Biol Engn, Suwon 443749, South Korea

来源：

DYES AND PIGMENTS | 2017年 / 147卷

基金：

新加坡国家研究基金会;

关键词：

Chemosensor; Volatile organic compounds (VOCs); Ethylamine sensing; Perovskites; Nanoparticles; Fluorescence; PERFORMANCE LIQUID-CHROMATOGRAPHY; MASS SPECTROMETRY; AROMATIC-AMINES; AMMONIA; SAMPLES; AIR; SENSOR; WATER;

D O I：

10.1016/j.dyepig.2017.07.066

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

In this work, a fluorescence chemosensor based on organic-inorganic hybrid CH3NH3PbBr3 perovskite nanoparticles has been investigated for the detection of volatile organic compounds (VOCs), aliphatic amines (monoethylamine, diethylamine, and trimethylamine). Perovskite films showed fast (< 1 s), highly discernible (89%), and reversible/irreversible fluorescence quenching behavior in response to the amine vapor exposure. Detection mechanism was confirmed by crystalline structural analysis based on X-ray diffraction (XRD) measurements and quantum chemical calculations, which proved that fluorescence quenching originates from the structural conversion from perovskite to its components by reversible or irreversible hydrogen bonding interaction between perovskite and aliphatic amines. This study suggests a simple but very effective strategy for naked eye-based fluorescence sensing of the colorless and harmful aliphatic amine vapors. (C) 2017 Elsevier Ltd. All rights reserved.

引用

页码：1 / 5

页数：5

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