A simple fabrication route of porous palladium/palladium oxide/carbon nanostructures using one-step combustion waves for high-performance pH sensors
DC Field | Value | Language |
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dc.contributor.author | Seo, Byungseok | - |
dc.contributor.author | Hwang, Hayoung | - |
dc.contributor.author | Park, Seonghyun | - |
dc.contributor.author | Choi, Wonjoon | - |
dc.date.accessioned | 2021-09-02T03:19:39Z | - |
dc.date.available | 2021-09-02T03:19:39Z | - |
dc.date.created | 2021-06-19 | - |
dc.date.issued | 2018-11-20 | - |
dc.identifier.issn | 0925-4005 | - |
dc.identifier.uri | https://scholar.korea.ac.kr/handle/2021.sw.korea/71821 | - |
dc.description.abstract | Reduction-oxidation controls and synthesis of organic-inorganic hybrid structures are key features associated with their electrochemical properties. However, they involve bulky setup and long-time processes that incur high-cost. Herein, we report one-step combustion waves (CWs) for the fabrication of hybrid-porous palladium/palladium oxides/carbon (Pd/PdxOy@C) nanostructures with controllable atomic composition and their application as a high-performance pH sensor. Hybrid composites of Pd/formaldehyde (FA)/nitrocellulose (NC) were prepared as precursors. Self-propagating CWs through the NC networks carried out the transformation from Pd to PdO2 in the higher oxidation state and the formation of a carbon layer, while the fast release of chemicals in CWs developed the porous nanostructures with large surface areas. The flexible pH sensor using the synthesized Pd/PdxOy@C powders exhibited the outstanding specific voltage potential (2.08 V/mg at pH 2.83) and sensitivity (167 mV/mg pH). It showed no hysteresis during cycling of pH values and high stability over 4 h (voltage change < 0.89%). The high oxidation states and conductive carbon layers of Pd/PdxOy@C with large surface areas improved the specific potential and the stability in minute changes of pH values and forward-reverse proton exchanges. The physicochemical synthesis using CWs would contribute to developing scalable processing for electrochemical applications, including chemical sensors. | - |
dc.language | English | - |
dc.language.iso | en | - |
dc.publisher | ELSEVIER SCIENCE SA | - |
dc.subject | SHAPE-CONTROLLED SYNTHESIS | - |
dc.subject | ONE-POT TRANSFORMATION | - |
dc.subject | ELECTROCHEMICAL CATALYST | - |
dc.subject | OXIDE-FILMS | - |
dc.subject | HYDROGEN | - |
dc.subject | COMPOSITES | - |
dc.subject | REDUCTION | - |
dc.subject | STORAGE | - |
dc.subject | NANOPARTICLES | - |
dc.subject | MECHANISM | - |
dc.title | A simple fabrication route of porous palladium/palladium oxide/carbon nanostructures using one-step combustion waves for high-performance pH sensors | - |
dc.type | Article | - |
dc.contributor.affiliatedAuthor | Choi, Wonjoon | - |
dc.identifier.doi | 10.1016/j.snb.2018.07.142 | - |
dc.identifier.scopusid | 2-s2.0-85050864158 | - |
dc.identifier.wosid | 000443960000005 | - |
dc.identifier.bibliographicCitation | SENSORS AND ACTUATORS B-CHEMICAL, v.274, pp.37 - 46 | - |
dc.relation.isPartOf | SENSORS AND ACTUATORS B-CHEMICAL | - |
dc.citation.title | SENSORS AND ACTUATORS B-CHEMICAL | - |
dc.citation.volume | 274 | - |
dc.citation.startPage | 37 | - |
dc.citation.endPage | 46 | - |
dc.type.rims | ART | - |
dc.type.docType | Article | - |
dc.description.journalClass | 1 | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
dc.relation.journalResearchArea | Chemistry | - |
dc.relation.journalResearchArea | Electrochemistry | - |
dc.relation.journalResearchArea | Instruments & Instrumentation | - |
dc.relation.journalWebOfScienceCategory | Chemistry, Analytical | - |
dc.relation.journalWebOfScienceCategory | Electrochemistry | - |
dc.relation.journalWebOfScienceCategory | Instruments & Instrumentation | - |
dc.subject.keywordPlus | SHAPE-CONTROLLED SYNTHESIS | - |
dc.subject.keywordPlus | ONE-POT TRANSFORMATION | - |
dc.subject.keywordPlus | ELECTROCHEMICAL CATALYST | - |
dc.subject.keywordPlus | OXIDE-FILMS | - |
dc.subject.keywordPlus | HYDROGEN | - |
dc.subject.keywordPlus | COMPOSITES | - |
dc.subject.keywordPlus | REDUCTION | - |
dc.subject.keywordPlus | STORAGE | - |
dc.subject.keywordPlus | NANOPARTICLES | - |
dc.subject.keywordPlus | MECHANISM | - |
dc.subject.keywordAuthor | Combustion synthesis | - |
dc.subject.keywordAuthor | pH sensor | - |
dc.subject.keywordAuthor | Palladium oxide | - |
dc.subject.keywordAuthor | High oxidation state | - |
dc.subject.keywordAuthor | Chemical potential | - |
dc.subject.keywordAuthor | Carbon coating | - |
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