Near-IR organic sensitizers containing squaraine and phenothiazine units for dye-sensitized solar cells
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Bae, Seong Hee | - |
dc.contributor.author | Seo, Kang Deuk | - |
dc.contributor.author | Choi, Won Seok | - |
dc.contributor.author | Hong, Ji Yeoun | - |
dc.contributor.author | Kim, Hwan Kyu | - |
dc.date.accessioned | 2021-09-04T19:40:11Z | - |
dc.date.available | 2021-09-04T19:40:11Z | - |
dc.date.created | 2021-06-15 | - |
dc.date.issued | 2015-02 | - |
dc.identifier.issn | 0143-7208 | - |
dc.identifier.uri | https://scholar.korea.ac.kr/handle/2021.sw.korea/94534 | - |
dc.description.abstract | Unsymmetrical squaraine near-infrared (NIR) sensitizers with variable pi-bridge units, based on the donor-pi-squaraine core-acceptor structural motif, were synthesized and used as sensitizers for dye-sensitized solar cells. The phenothiazine as a donor group was linked to a squaraine core unit using various thiophene derivatives. Among them, three squaraine-based sensitizers have a carboxylic acid group as an electron-accepting group directly attached to the squaraine component, while one of four squaraine-based sensitizers has a cyanoacrylic acid as a more strongly electron-accepting group directly attached to the squaraine component. The sensitizers exhibited intense absorption in the NIR region and strong luminescence. The LUMO levels of the present squaraine-based sensitizers were slightly more negative than the conduction band edge of TiO2 photoanode. As a result, a solar cell based on the squaraine-based sensitizer containing a thiophene unit as a pi-bridge unit and a carboxylic acid group as an electron-accepting group exhibited better photovoltaic performance with a J(SC) of 6.0 mA cm(-2), a V-OC of 448 mV, and an FF of 0.73, corresponding to an overall conversion efficiency eta of 2.0%. (C) 2014 Elsevier Ltd. All rights reserved. | - |
dc.language | English | - |
dc.language.iso | en | - |
dc.publisher | ELSEVIER SCI LTD | - |
dc.subject | NANOCRYSTALLINE TIO2 FILMS | - |
dc.subject | EFFICIENT FAR-RED | - |
dc.subject | MOLECULAR DESIGN | - |
dc.subject | COUMARIN DYES | - |
dc.subject | PERFORMANCE | - |
dc.title | Near-IR organic sensitizers containing squaraine and phenothiazine units for dye-sensitized solar cells | - |
dc.type | Article | - |
dc.contributor.affiliatedAuthor | Kim, Hwan Kyu | - |
dc.identifier.doi | 10.1016/j.dyepig.2014.07.031 | - |
dc.identifier.scopusid | 2-s2.0-84906488227 | - |
dc.identifier.wosid | 000346543200003 | - |
dc.identifier.bibliographicCitation | DYES AND PIGMENTS, v.113, pp.18 - 26 | - |
dc.relation.isPartOf | DYES AND PIGMENTS | - |
dc.citation.title | DYES AND PIGMENTS | - |
dc.citation.volume | 113 | - |
dc.citation.startPage | 18 | - |
dc.citation.endPage | 26 | - |
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 | Engineering | - |
dc.relation.journalResearchArea | Materials Science | - |
dc.relation.journalWebOfScienceCategory | Chemistry, Applied | - |
dc.relation.journalWebOfScienceCategory | Engineering, Chemical | - |
dc.relation.journalWebOfScienceCategory | Materials Science, Textiles | - |
dc.subject.keywordPlus | NANOCRYSTALLINE TIO2 FILMS | - |
dc.subject.keywordPlus | EFFICIENT FAR-RED | - |
dc.subject.keywordPlus | MOLECULAR DESIGN | - |
dc.subject.keywordPlus | COUMARIN DYES | - |
dc.subject.keywordPlus | PERFORMANCE | - |
dc.subject.keywordAuthor | Squaraine dye | - |
dc.subject.keywordAuthor | Near-IR sensitization | - |
dc.subject.keywordAuthor | Phenothiazine | - |
dc.subject.keywordAuthor | Dye-sensitized solar cell | - |
dc.subject.keywordAuthor | pi-Bridge units | - |
dc.subject.keywordAuthor | Metal-free organic dyes | - |
Items in ScholarWorks are protected by copyright, with all rights reserved, unless otherwise indicated.
(02841) 서울특별시 성북구 안암로 14502-3290-1114
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.