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Article: Polymer-based fluoride-selective chemosensor: Synthesis, sensing property, and its use for the design of molecular-scale logic devices

TitlePolymer-based fluoride-selective chemosensor: Synthesis, sensing property, and its use for the design of molecular-scale logic devices
Authors
KeywordsFluorescence
Molecular Logic Gates
Molecular Recognition
Reversible Addition Fragmentation Chain Transfer (Raft)
Sensor
Issue Date2012
PublisherJohn Wiley & Sons, Inc. The Journal's web site is located at http://www3.interscience.wiley.com/cgi-bin/jhome/36444
Citation
Journal Of Polymer Science, Part A: Polymer Chemistry, 2012, v. 50 n. 3, p. 590-598 How to Cite?
Abstract
A new styryl-type monomer, 2-(4-vinylbenzyloxy)-1-naphthaldehyde thiosemicarbazone (VNT), was synthesized and then copolymerized with methyl methacrylate (MMA) by reversible addition fragmentation chain transfer polymerization affording a series of poly(MMA-co-VNT)s with different functional unit content, predetermined molecular weight, and narrow molecular-weight distribution. The desired copolymers were structurally confirmed by various spectroscopic characterizations. Colorimetric and fluorescent titration spectra revealed that the copolymers are highly selective toward fluoride anions over other competitive species including Cl -, Br -, I -, H 2PO 4 -, AcO -, and HSO 4 -. On addition of F -, a remarkable colorless-to-yellow color change is easily observed by naked eyes. The influence of the copolymer composition and molecular weight on its sensing capacity was then carefully investigated. The results showed that higher VNT-incorporation amount within the copolymer chains leads to higher sensitivity toward F - ions. Interestingly, the chromogenic process of the polymeric sensor can be switched back and forth by successively adding F - and HSO 4 - anions into the dimethyl sulfoxide solution of the polymer, which may be represented by a complementary "IMPLICATION/ INHIBIT" logic gate at molecular level using both the ions as the chemical inputs. Based on such a reversible and reproducible sensing system, we designed a molecular-scale sequential information processing circuit displaying "writing-reading-erasing-reading" behavior and "multiwrite" function in the form of binary logic. © 2011 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem, 2011 A new kind of polymeric sensory materials has been synthesized through reversible addition fragmentation chain transfer polymerization technique. The polymer receptor exhibited high selectivity toward fluoride anions in both UV-vis and fluorescence channels. Especially, the fluoride-induced chromogenic process could be fully reversed by the addition of HSO 4 -. The reversible and reproducible characteristics of the colorimetric switch allow the design of a molecular-scale sequential memory unit displaying "writing-reading-erasing-reading" behavior and "multiwrite" functions. Copyright © 2011 Wiley Periodicals, Inc.
Persistent Identifierhttp://hdl.handle.net/10722/168596
ISSN
2013 Impact Factor: 3.245
ISI Accession Number ID
References

 

Author Affiliations
  1. Zhejiang University
  2. Shenyang Ligong University
DC FieldValueLanguage
dc.contributor.authorLu, Wen_US
dc.contributor.authorChen, Den_US
dc.contributor.authorJiang, Hen_US
dc.contributor.authorJiang, Len_US
dc.contributor.authorShen, Zen_US
dc.date.accessioned2012-10-08T03:21:18Z-
dc.date.available2012-10-08T03:21:18Z-
dc.date.issued2012en_US
dc.identifier.citationJournal Of Polymer Science, Part A: Polymer Chemistry, 2012, v. 50 n. 3, p. 590-598en_US
dc.identifier.issn0887-624Xen_US
dc.identifier.urihttp://hdl.handle.net/10722/168596-
dc.description.abstractA new styryl-type monomer, 2-(4-vinylbenzyloxy)-1-naphthaldehyde thiosemicarbazone (VNT), was synthesized and then copolymerized with methyl methacrylate (MMA) by reversible addition fragmentation chain transfer polymerization affording a series of poly(MMA-co-VNT)s with different functional unit content, predetermined molecular weight, and narrow molecular-weight distribution. The desired copolymers were structurally confirmed by various spectroscopic characterizations. Colorimetric and fluorescent titration spectra revealed that the copolymers are highly selective toward fluoride anions over other competitive species including Cl -, Br -, I -, H 2PO 4 -, AcO -, and HSO 4 -. On addition of F -, a remarkable colorless-to-yellow color change is easily observed by naked eyes. The influence of the copolymer composition and molecular weight on its sensing capacity was then carefully investigated. The results showed that higher VNT-incorporation amount within the copolymer chains leads to higher sensitivity toward F - ions. Interestingly, the chromogenic process of the polymeric sensor can be switched back and forth by successively adding F - and HSO 4 - anions into the dimethyl sulfoxide solution of the polymer, which may be represented by a complementary "IMPLICATION/ INHIBIT" logic gate at molecular level using both the ions as the chemical inputs. Based on such a reversible and reproducible sensing system, we designed a molecular-scale sequential information processing circuit displaying "writing-reading-erasing-reading" behavior and "multiwrite" function in the form of binary logic. © 2011 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem, 2011 A new kind of polymeric sensory materials has been synthesized through reversible addition fragmentation chain transfer polymerization technique. The polymer receptor exhibited high selectivity toward fluoride anions in both UV-vis and fluorescence channels. Especially, the fluoride-induced chromogenic process could be fully reversed by the addition of HSO 4 -. The reversible and reproducible characteristics of the colorimetric switch allow the design of a molecular-scale sequential memory unit displaying "writing-reading-erasing-reading" behavior and "multiwrite" functions. Copyright © 2011 Wiley Periodicals, Inc.en_US
dc.languageengen_US
dc.publisherJohn Wiley & Sons, Inc. The Journal's web site is located at http://www3.interscience.wiley.com/cgi-bin/jhome/36444en_US
dc.relation.ispartofJournal of Polymer Science, Part A: Polymer Chemistryen_US
dc.subjectFluorescenceen_US
dc.subjectMolecular Logic Gatesen_US
dc.subjectMolecular Recognitionen_US
dc.subjectReversible Addition Fragmentation Chain Transfer (Raft)en_US
dc.subjectSensoren_US
dc.titlePolymer-based fluoride-selective chemosensor: Synthesis, sensing property, and its use for the design of molecular-scale logic devicesen_US
dc.typeArticleen_US
dc.identifier.emailLu, W:luwei@hku.hken_US
dc.identifier.authorityLu, W=rp00754en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1002/pola.25068en_US
dc.identifier.scopuseid_2-s2.0-84255198887en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-84255198887&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume50en_US
dc.identifier.issue3en_US
dc.identifier.spage590en_US
dc.identifier.epage598en_US
dc.identifier.isiWOS:000298479800020-
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridLu, W=27868087600en_US
dc.identifier.scopusauthoridChen, D=24340721900en_US
dc.identifier.scopusauthoridJiang, H=14028307900en_US
dc.identifier.scopusauthoridJiang, L=7403476107en_US
dc.identifier.scopusauthoridShen, Z=7403324137en_US

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