A Sensor for Trace H2O Detection in D2O

被引：100

作者：

Dunning, Samuel G. ^{[1
]}

Nunez, Ana J. ^{[1
,2
]}

Moore, Matthew D. ^{[1
]}

Steiner, Alexander ^{[3
]}

Lynch, Vincent M. ^{[1
]}

Sessler, Jonathan L. ^{[1
]}

Holliday, Bradley J.

Humphrey, Simon M. ^{[1
]}

机构：

[1] Univ Texas Austin, Dept Chem, 6-336 Norman Hackerman Bldg,100 East 24th St, Austin, TX 78712 USA

[2] Dow Chem Co USA, Midland, MI 48667 USA

[3] Univ Liverpool, Dept Chem, Crown St, Liverpool L69 7ZD, Merseyside, England

来源：

CHEM | 2017年 / 2卷 / 04期

基金：

美国国家科学基金会;

关键词：

METAL-ORGANIC FRAMEWORK; LANTHANIDE; COMPLEXES; HYBRIDS; WATER;

D O I：

10.1016/j.chempr.2017.02.010

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

PCM-22, a metal-organic framework material comprising triphenylphosphine and Ln(3+) ions (Ln = Pr-Yb), exhibits solid-state luminescence at room temperature. Mixed-metal versions of PCM-22 that contain controlled amounts of Eu3+, Gd3+, and Tb3+ function as highly sensitive, broad-scope solid-state sensors that can rapidly identify unknown solvents by providing a unique "eight-factor" fingerprint. The sensors allow for immediate solvent identification via color changes that are obvious to the naked eye and also permit quantitative chemical analysis by uncomplicated spectrophotometry. These same materials achieve quantitative detection of H2O in D2O from 10 to 120,000 ppm. The detection of trace H2O is also demonstrated in a range of common solvents, including those incompatible with conventional laboratory titration methods.

引用

页码：579 / 589

页数：11

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