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Mechanistic Insight into the Turn-Off Sensing of Nitroaromatic Compounds Employing Functionalized Polyaniline

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Mechanistic Insight into the Turn-Off Sensing of Nitroaromatic Compounds Employing Functionalized Polyaniline

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dc.contributor.author Venkatappa, Lakshmidevi es_ES
dc.contributor.author Ture, Satish Ashok es_ES
dc.contributor.author Yelamaggad, Channabasaveshwar V. es_ES
dc.contributor.author Sundaram, Venkata Narayanan Naranammalpu es_ES
dc.contributor.author Martínez-Máñez, Ramón es_ES
dc.contributor.author Abbaraju, Venkataraman es_ES
dc.date.accessioned 2021-03-12T04:31:33Z
dc.date.available 2021-03-12T04:31:33Z
dc.date.issued 2020-06-08 es_ES
dc.identifier.uri http://hdl.handle.net/10251/163763
dc.description.abstract [EN] Conducting Polymers (CPs), in recent times have contributed significantly in the detection of High Energy Materials possessing nitro functional groups through fluorescence quenching studies. Camphor sulphuric acid doped polyaniline (C-PANI) is studied with a view to obtain easily processable PANI without pi-stacking for the detection of Picric acid(PA) and p-nitro toluene(pNT) in trace levels. The quenching constant and limit of detection were found to be 2.236x10(-6) M and 6.14x10(-7) M for PA and 1.9447x10(-7) M and 3.57x10(-7) M for pNT, respectively showing a very good sensitivity in detection. Resonance Raman spectroscopy (RRS) showed the involvement of the bipolaronic and benzenoid group in the charge transfer complex formed between the conducting polymer and the analyte. The photoluminescence studies indicated a predominant PET mechanism. The electrochemical studies employing cyclic voltammetry gave higher band gap on comparison with absorption studies. The positive and negative shift in oxidation and reduction potential of polymer-analyte was observed and collaborated with the fluorescence studies to understand the possible fluorescence quenching mechanism from electrochemical approach. es_ES
dc.description.sponsorship The authors greatly acknowledge and thank Prof. G. U. Kulkarni, the Director of Centre for Nano and Soft Matter (CeNS) for providing the facility to work in the centre. Specifically, one of our author, Satish Ashok Ture, expresses his thanks to M/s Premier Explosive Limited for their Financial support (H/A: 4254). We also thank the Spanish Government (RTI2018-100910-B-C41 (MCUI/AEI/FEDER, UE)) and Generalitat Valenciana (PROMETEO2018/024) for their support. Part of this work is carried out under the Gulbarga University-Central University of Karnataka MoU program. es_ES
dc.language Inglés es_ES
dc.publisher John Wiley & Sons es_ES
dc.relation.ispartof ChemistrySelect es_ES
dc.rights Reserva de todos los derechos es_ES
dc.subject Doped polyaniline es_ES
dc.subject Fluorescence quenching es_ES
dc.subject Picric acid es_ES
dc.subject Cyclic voltammetry es_ES
dc.subject Raman spectroscopy es_ES
dc.subject.classification QUIMICA INORGANICA es_ES
dc.title Mechanistic Insight into the Turn-Off Sensing of Nitroaromatic Compounds Employing Functionalized Polyaniline es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.1002/slct.202001170 es_ES
dc.relation.projectID info:eu-repo/grantAgreement/Premier Explosives Limited//H%2FA: 4254/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/GVA//PROMETEO%2F2018%2F024/ES/Sistemas avanzados de liberación controlada/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/RTI2018-100910-B-C41/ES/MATERIALES POROSOS INTELIGENTES MULTIFUNCIONALES Y DISPOSITIVOS ELECTRONICOS PARA LA LIBERACION DE FARMACOS, DETECCION DE DROGAS Y BIOMARCADORES Y COMUNICACION A NANOESCALA/ es_ES
dc.rights.accessRights Cerrado es_ES
dc.contributor.affiliation Universitat Politècnica de València. Departamento de Química - Departament de Química es_ES
dc.description.bibliographicCitation Venkatappa, L.; Ture, SA.; Yelamaggad, CV.; Sundaram, VNN.; Martínez-Máñez, R.; Abbaraju, V. (2020). Mechanistic Insight into the Turn-Off Sensing of Nitroaromatic Compounds Employing Functionalized Polyaniline. ChemistrySelect. 5(21):6321-6330. https://doi.org/10.1002/slct.202001170 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion https://doi.org/10.1002/slct.202001170 es_ES
dc.description.upvformatpinicio 6321 es_ES
dc.description.upvformatpfin 6330 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 5 es_ES
dc.description.issue 21 es_ES
dc.identifier.eissn 2365-6549 es_ES
dc.relation.pasarela S\418372 es_ES
dc.contributor.funder Generalitat Valenciana es_ES
dc.contributor.funder Premier Explosives Limited es_ES
dc.contributor.funder Agencia Estatal de Investigación es_ES
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