Journal
SMALL
Volume 14, Issue 17, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/smll.201703822
Keywords
fingerprint identification; fluorescence probes; fluorescence turn-on effect; H2S gas; metal-organic frameworks
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Funding
- National Science Fund for Distinguished Young Scholars [21625601]
- Outstanding Talent Fund from BUCT
- NSF of China [91334203]
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The development of fluorescence turn-on probes for selectively sensing toxic gases and visualization identification of fingerprints is significantly important for society security and human health. Here, Zr is used as the metal center and 1,3,6,8-tetra (4-carboxylphenyl) pyrene (TBAPy) and tetrakis(4-carboxyphenyl)porphyrin (TCPP) as double linkers to synthesize a novel Zr(TBAPy)(5)(TCPP) material. Results indicate that Zr(TBAPy)(5)(TCPP) can be used as a fluorescence turn-on probe for highly selective and sensitive detection of H2S gas and its derivatives S2- in aqueous solutions with an extremely low concentration (approximate to 1 ppb) and fast response time (<10 s). Moreover, by tailoring the particle size of samples, it is found that Zr(TBAPy)(5)(TCPP) can efficiently achieve the visualization identification of fingerprints due to the fluorescence turn-on effect. All the results indicate that the Zr(TBAPy)(5)(TCPP) is a promising multifunctional fluorescence turn-on probe.
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