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A visual test paper based on Pb(II) metal–organic nanotubes utilized as a H2S sensor with high selectivity and sensitivity

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Abstract

The fluorescent Pb(II)–metal–organic nanotube, CD-MONT-2, which possesses a large {Pb14} metallamacrocycle, is synthesized by a modified biphasic liquid–solid–liquid (BLSL) strategy. This strategy takes advantage of solid cyclohexanol to avoid generation of by-products, and is suitable for producing CD-MONT-2 on a large scale. Importantly, water-stable CD-MONT-2 can be easily made into H2S test papers by coating a solution mixture of sodium carboxymethyl cellulose and CD-MONT-2′ on glass plates, which have the characteristics of high efficiency, rapidity, and visualization based on its fluorescence “turn-off” response. The CD-MONT-2 based visual test papers can be used without pretreatment and possess excellent sensitivity and stability.

Graphical abstract: A visual test paper based on Pb(ii) metal–organic nanotubes utilized as a H2S sensor with high selectivity and sensitivity

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Publication details

The article was received on 09 Mar 2017, accepted on 04 Apr 2017 and first published on 05 Apr 2017


Article type: Paper
DOI: 10.1039/C7AY00627F
Citation: Anal. Methods, 2017, Advance Article
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    A visual test paper based on Pb(II) metal–organic nanotubes utilized as a H2S sensor with high selectivity and sensitivity

    X. Xin, F. Dai, F. Li, X. Jin, R. Wang and D. Sun, Anal. Methods, 2017, Advance Article , DOI: 10.1039/C7AY00627F

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