期刊
JOURNAL OF SOLID STATE CHEMISTRY
卷 289, 期 -, 页码 -出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jssc.2020.121519
关键词
Coordination polymer (CP); Ascorbic acid; Luminescent sensor
资金
- Henan Provincial Key Scientific Research Projects of Higher Education Institutions [19A150044]
- Nanhu Scholars Program for Young Scholars of XYNU
- National Natural Science Foundation of China [21804117]
In this work, a novel coordination polymer (CP), [CdL(H2O)] (1) (H2L = 4-aminophthalic acid), was designed and successfully synthesized as a luminescent sensor for recognition of Ascorbic Acid (AA) based on luminescent quenching effect. Single-crystal X-ray diffraction analysis reveals that complex 1 featured a 4-connected uninodal three dimensional (3-D) network with the point (Schlafli) symbol of (4(2.)6(3.)8). Luminescent spectra demonstrate that the proposed sensing system showed an excellent performance with high K sv value of 3.27 x 10(-5)M(-1) and low limit of detection (LOD) of 4.3 nM. In addition, the probable mechanisms are also investigated. The luminescent quenching behavior by AA can be mainly attributed to the static competitive absorption mechanism between CP sensor and analyze.
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