Enhanced Thermopower of Saturated Molecules by Noncovalent Anchor-Induced Electron Doping of Single-Layer Graphene Electrode
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Park, Sohyun | - |
dc.contributor.author | Kim, Hwa Rang | - |
dc.contributor.author | Kim, Juhee | - |
dc.contributor.author | Hong, Byung-Hee | - |
dc.contributor.author | Yoon, Hyo Jae | - |
dc.date.accessioned | 2022-02-18T19:41:27Z | - |
dc.date.available | 2022-02-18T19:41:27Z | - |
dc.date.created | 2022-02-07 | - |
dc.date.issued | 2021-10 | - |
dc.identifier.issn | 0935-9648 | - |
dc.identifier.uri | https://scholar.korea.ac.kr/handle/2021.sw.korea/136259 | - |
dc.description.abstract | Enhancing thermopower is a key goal in organic and molecular thermoelectrics. Herein, it is shown that introducing noncovalent contact with a single-layer graphene (SLG) electrode improves the thermopower of saturated molecules as compared to the traditional gold-thiolate covalent contact. Thermoelectric junction measurements with a liquid-metal technique reveal that the value of Seebeck coefficient in large-area junctions based on n-alkylamine self-assembled monolayers (SAMs) on SLG is increased up to fivefold compared to the analogous junction based on n-alkanethiolate SAMs on gold. Experiments with Raman spectroscopy and field-effect transistor analysis indicate that such enhancements benefit from the creation of new in-gap states and electron doping through noncovalent interaction between the amine anchor and the SLG electrode, which leads to a reduced energy offset between the Fermi level and the transport channel. This work demonstrates that control of interfacial bonding nature in molecular junctions improves the Seebeck effect in saturated molecules. | - |
dc.language | English | - |
dc.language.iso | en | - |
dc.publisher | WILEY-V C H VERLAG GMBH | - |
dc.subject | SELF-ASSEMBLED MONOLAYERS | - |
dc.subject | THERMOELECTRIC PROPERTIES | - |
dc.subject | THERMAL CONDUCTANCE | - |
dc.subject | RAMAN-SPECTROSCOPY | - |
dc.subject | LENGTH DEPENDENCE | - |
dc.subject | LARGE-AREA | - |
dc.subject | CHEMISTRY | - |
dc.subject | METAL | - |
dc.subject | PERFORMANCE | - |
dc.subject | TRANSPORT | - |
dc.title | Enhanced Thermopower of Saturated Molecules by Noncovalent Anchor-Induced Electron Doping of Single-Layer Graphene Electrode | - |
dc.type | Article | - |
dc.contributor.affiliatedAuthor | Yoon, Hyo Jae | - |
dc.identifier.doi | 10.1002/adma.202103177 | - |
dc.identifier.scopusid | 2-s2.0-85113680900 | - |
dc.identifier.wosid | 000690686100001 | - |
dc.identifier.bibliographicCitation | ADVANCED MATERIALS, v.33, no.41 | - |
dc.relation.isPartOf | ADVANCED MATERIALS | - |
dc.citation.title | ADVANCED MATERIALS | - |
dc.citation.volume | 33 | - |
dc.citation.number | 41 | - |
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 | Science & Technology - Other Topics | - |
dc.relation.journalResearchArea | Materials Science | - |
dc.relation.journalResearchArea | Physics | - |
dc.relation.journalWebOfScienceCategory | Chemistry, Multidisciplinary | - |
dc.relation.journalWebOfScienceCategory | Chemistry, Physical | - |
dc.relation.journalWebOfScienceCategory | Nanoscience & Nanotechnology | - |
dc.relation.journalWebOfScienceCategory | Materials Science, Multidisciplinary | - |
dc.relation.journalWebOfScienceCategory | Physics, Applied | - |
dc.relation.journalWebOfScienceCategory | Physics, Condensed Matter | - |
dc.subject.keywordPlus | CHEMISTRY | - |
dc.subject.keywordPlus | LARGE-AREA | - |
dc.subject.keywordPlus | LENGTH DEPENDENCE | - |
dc.subject.keywordPlus | METAL | - |
dc.subject.keywordPlus | PERFORMANCE | - |
dc.subject.keywordPlus | RAMAN-SPECTROSCOPY | - |
dc.subject.keywordPlus | SELF-ASSEMBLED MONOLAYERS | - |
dc.subject.keywordPlus | THERMAL CONDUCTANCE | - |
dc.subject.keywordPlus | THERMOELECTRIC PROPERTIES | - |
dc.subject.keywordPlus | TRANSPORT | - |
dc.subject.keywordAuthor | EGaIn | - |
dc.subject.keywordAuthor | Seebeck effect | - |
dc.subject.keywordAuthor | graphene | - |
dc.subject.keywordAuthor | molecular thermoelectrics | - |
dc.subject.keywordAuthor | self-assembled monolayers | - |
Items in ScholarWorks are protected by copyright, with all rights reserved, unless otherwise indicated.
145 Anam-ro, Seongbuk-gu, Seoul, 02841, Korea+82-2-3290-2963
COPYRIGHT © 2021 Korea University. All Rights Reserved.
Certain data included herein are derived from the © Web of Science of Clarivate Analytics. All rights reserved.
You may not copy or re-distribute this material in whole or in part without the prior written consent of Clarivate Analytics.