Layer-by-layer assembly of luminescent ultrathin films by layered double hydroxides and neutral Al–Phen–Hq

被引：0
|
作者：
Wenjun Zhang
Jinglin Li
Yuan Wang
Xiaoxiong Zhang
Jie Fu
机构：
[1] Hebei University of Technology,Institute of Chemical Technology, School of Chemical Engineering
来源：
Research on Chemical Intermediates | 2019年 / 45卷
关键词：
Layered double hydroxide; Thin film; Quinoline metal complexes; Luminescence;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Highly transparent ultrathin films (UTFs) were fabricated via layer-by-layer assembly of 110-Phenanthroline monohydrate (Phen)–8-hydroxyquinoline (Hq)–Al3+(Phen–Hq–Al), polyvinyl alchol(PVA) and Mg–Al-layered double hydroxide (LDH)nanosheets. UV–visible absorption and fluorescence spectroscopy showed regular growth of UTFs increasing the numbers of assembly. The structure and morphology of Mg–Al-layered double hydroxide and UTFs were measured by Fourier transform infrared spectroscopy, XRD and SEM. We found that it can detect Fe3+ ion with relative selectivity and high sensitivity (Ksv = 2.214 × 104 M−1) which indicates that UTFs can be a potential fluorescent probe for selectively of the Fe3+ ion.
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页码：2515 / 2527
页数：12
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