https://scholars.lib.ntu.edu.tw/handle/123456789/581549
標題: | Water- And thermal-stable silver-based photoluminescent metal-organic coordination polymer for highly selective lead ion sensing | 作者: | Van Nguyen C Chiang W.-H Wu K.C.-W. KEVIN CHIA-WEN WU |
關鍵字: | Chemical detection; Metal ions; Optical properties; Organic polymers; Organometallics; Silver; Spectroscopic analysis; Crystalline structure; Fundamental studies; Lead detection; Limit of detection; Metal-organic coordination polymers; Quenching constant; Sensing applications; Spectroscopic studies; Quenching | 公開日期: | 2019 | 卷: | 92 | 期: | 9 | 起(迄)頁: | 1430-1435 | 來源出版物: | Bulletin of the Chemical Society of Japan | 摘要: | Photoluminescent metal-organic coordination polymers (PLMOCPs) have recently become an attractive material for sensing applications, however, fundamental study of PLMOCP for selective metal ion sensing is still lacking. Here, we report a highly water-stable silver-based photoluminescent metal-organic coordination polymer (PLMOCP) of Ag(BPY)(IPA-NH2) with 404 nm emission as a single probe for selectively detecting Pb2+ in aqueous solutions. The as-synthesized Ag(BPY)(IPA-NH2) was characterized with a high yield, well-defined crystalline structure, extraordinary water and thermal stabilities, and unique optical properties. A high quenching constant of 2*10^4 M11 and low limit of detection (LOD) of 2.1 ¯M are determined. Systematic absorbance and PL spectroscopic studies suggest that the PL quenching caused by Pb2+ is the simultaneous dynamic quenching mechanism. ? 2019 The Chemical Society of Japan. |
URI: | https://www.scopus.com/inward/record.uri?eid=2-s2.0-85072391260&doi=10.1246%2fbcsj.20190099&partnerID=40&md5=51060aeb80ceca92117febefa2ee9c9d https://scholars.lib.ntu.edu.tw/handle/123456789/581549 |
ISSN: | 00092673 | DOI: | 10.1246/bcsj.20190099 |
顯示於: | 化學工程學系 |
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