Thin-layered MoS₂/polyaniline nanocomposite for highly sensitive electrochemical detection of chloramphenicol

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• 作者：Huai-Yin Chen ; Jin Wang ; Le Meng ; Tao Yang ; ^{taoyang@qust.edu.cn" class="auth_mail" title="E-mail the corresponding author} ; Kui Jiao
• 关键词：MoS2 ; Polyaniline ; Electrochemical detection ; Chloramphenicol
• 刊名：Chinese Chemical Letters
• 出版年：2016
• 出版时间：February 2016
• 年：2016
• 卷：27
• 期：2
• 页码：231-234
• 全文大小：926 K

文摘

In this study, we synthesized molybdenum disulfide/polyaniline (MoS₂/PANI) nanocomposite via in situ polymerization of aniline in the presence of thin-layered MoS₂. The as-prepared MoS₂/PANI nanocomposite obtained an improved electrochemical performance due to the physisorption interaction between aromatic aniline and the basal plane of MoS₂. Furthermore, we constructed a new kind of electrochemical sensor based on MoS₂/PANI nanocomposite for the detection of chloramphenicol, which showed an excellent performance. The sensor has a high sensitivity and wide detection range from 1 × 10⁻⁷ mol/L to 1 × 10⁻⁴ mol/L, with a low detection limit of 6.9 × 10⁻⁸ mol/L.