A Novel Highly Selective "Turn‐On" Fluorescence Sensor for Silver Ions Based on Schiff Base. Issue 12 (7th November 2014)

• Record Type: Journal Article
• Authors: Lin, Qi; Yang, Qingping; Sun, Bin; Wei, Taibao; Zhang, Youming
• Is Part Of: Chinese journal of chemistry. Volume 32:Issue 12(2014:Dec.)
• Page Start: 1255
• Page End: 1258
• Publication Date: 2014-11-07
• Subjects: Chemistry -- Periodicals; 540.5
• DOI: 10.1002/cjoc.201400601
• Languages: English
• ISSNs: 1001-604X

Abstract

<abstract abstract-type="main" xml:lang="en"> <title>Abstract</title> <p>A novel optical chemical sensor <bold>L</bold> was designed and synthesized for the determination of silver ions. The sensor <bold>L</bold> was derived from 1‐naphthaldehyde and 3, 4, 5‐tris(hexadecyloxy)benzohydrazide. The sensor <bold>L</bold> shows high sensitivity and selectivity for Ag⁺ detection in comparison to other metal cations (Mg²⁺, Ca²⁺, Al³⁺, Cr³⁺, Fe³⁺, Co²⁺, Ni²⁺, Cu²⁺, Zn²⁺, Cd²⁺, Hg²⁺, Pb²⁺) and has no significant response to other common metal cations. Upon addition of Ag⁺, the fluorescent emission of the sensor <bold>L</bold> was enhanced dramatically but other metal cations had no same response. The detection limit for Ag⁺ was 1.2×10⁻⁷ mol/L. Therefore, the sensor <bold>L</bold> is useful for Ag⁺ detection with some advantages including sensitivity, selectivity, simplicity and low‐cost.</p> </abstract>