Highly efficient gel electrolytes by end group modified PEG-based ABA triblock copolymers for quasi-solid-state dye-sensitized solar cells
DC Field | Value | Language |
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dc.contributor.author | Masud | - |
dc.contributor.author | Kim, Kyeong Min | - |
dc.contributor.author | Kim, Hwan Kyu | - |
dc.date.accessioned | 2021-11-16T11:41:03Z | - |
dc.date.available | 2021-11-16T11:41:03Z | - |
dc.date.created | 2021-08-30 | - |
dc.date.issued | 2021-09-15 | - |
dc.identifier.issn | 1385-8947 | - |
dc.identifier.uri | https://scholar.korea.ac.kr/handle/2021.sw.korea/127631 | - |
dc.description.abstract | To get highly efficient quasi-solid-state dye-sensitized solar cells (QSS-DSSCs) with long-term stability using polymer gel electrolytes (PGEs), well-defined ABA triblock copolymers ([Poly(methyl methacrylate)]2-block-poly (ethylene glycol)) with different end functionality and components of I-/I3- liquid electrolytes (LEs) are studied and optimized for the fabrication of PGE-based QSS-DSSCs. Triblock copolymers are synthesized in a one-step reaction using bifunctional PEG-macro chain transfer agent (MCTA) by reversible addition-fragmentation chain transfer (RAFT) polymerization. Due to the high reactivity and toxicity of sulfur-containing trithiocarbonate end groups, ABA triblock copolymers prepared from RAFT polymerization are further modified to sulfurfree 2-methylpropionitrile and 4-cyanopentanoic acid end functional triblock copolymers by radical-induced exchange reactions. Dodecyl trithiocarbonate end functional PEG-MCTA and triblock copolymers absorb UVlight in the region of 260-380 nm, whereas sulfur-free carboxylic acid and 2-methylpropionitrile end functional polymers do not absorb in that UV-light region. Among three different end functional polymers, the carboxylic acid end functional triblock copolymer has the highest thermal stability. Based on electrochemical parameters, photovoltaic performance, and long-term stability, 1,2-dimethyl-3-propylimidazolium iodide (DMPII) ionic liquid and 4-tert-butylpyridine (TBP) additive containing acetonitrile-based I-/I3- LEs are effective for PGEs. The highest power conversion efficiency (PCE) for QSS-DSSCs achieved under simulated 1-sun illumination is up to 10.34%, which is comparable with the highest PCE of 10.39% for LE-DSSCs. Considering the high reactivity, thermal stability, UV-absorption, and the toxicity of the trithiocarbonate end group, the SGT643-C triblock copolymer with carboxylic acid end group can be a promising candidate as a sulfur-free polymeric matrix for gel electrolytes of QSS-DSSCs. | - |
dc.language | English | - |
dc.language.iso | en | - |
dc.publisher | ELSEVIER SCIENCE SA | - |
dc.subject | FRAGMENTATION-CHAIN TRANSFER | - |
dc.subject | POLYETHYLENE OXIDE PEO | - |
dc.subject | POLY(METHYL METHACRYLATE) | - |
dc.subject | RADICAL POLYMERIZATION | - |
dc.subject | METHYL-METHACRYLATE | - |
dc.subject | BLOCK-COPOLYMERS | - |
dc.subject | PERFORMANCE | - |
dc.subject | POLYMERS | - |
dc.subject | ADDITIVES | - |
dc.subject | TRANSPORT | - |
dc.title | Highly efficient gel electrolytes by end group modified PEG-based ABA triblock copolymers for quasi-solid-state dye-sensitized solar cells | - |
dc.type | Article | - |
dc.contributor.affiliatedAuthor | Kim, Hwan Kyu | - |
dc.identifier.doi | 10.1016/j.cej.2021.129899 | - |
dc.identifier.scopusid | 2-s2.0-85105896613 | - |
dc.identifier.wosid | 000664252200001 | - |
dc.identifier.bibliographicCitation | CHEMICAL ENGINEERING JOURNAL, v.420 | - |
dc.relation.isPartOf | CHEMICAL ENGINEERING JOURNAL | - |
dc.citation.title | CHEMICAL ENGINEERING JOURNAL | - |
dc.citation.volume | 420 | - |
dc.type.rims | ART | - |
dc.type.docType | Article | - |
dc.description.journalClass | 1 | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
dc.relation.journalResearchArea | Engineering | - |
dc.relation.journalWebOfScienceCategory | Engineering, Environmental | - |
dc.relation.journalWebOfScienceCategory | Engineering, Chemical | - |
dc.subject.keywordPlus | FRAGMENTATION-CHAIN TRANSFER | - |
dc.subject.keywordPlus | POLYETHYLENE OXIDE PEO | - |
dc.subject.keywordPlus | POLY(METHYL METHACRYLATE) | - |
dc.subject.keywordPlus | RADICAL POLYMERIZATION | - |
dc.subject.keywordPlus | METHYL-METHACRYLATE | - |
dc.subject.keywordPlus | BLOCK-COPOLYMERS | - |
dc.subject.keywordPlus | PERFORMANCE | - |
dc.subject.keywordPlus | POLYMERS | - |
dc.subject.keywordPlus | ADDITIVES | - |
dc.subject.keywordPlus | TRANSPORT | - |
dc.subject.keywordAuthor | PEG-macro chain transfer agent | - |
dc.subject.keywordAuthor | Radical-induced transformation | - |
dc.subject.keywordAuthor | Sulfur-free polymeric matrix | - |
dc.subject.keywordAuthor | N719-dye | - |
dc.subject.keywordAuthor | Iodine electrolytes | - |
dc.subject.keywordAuthor | Reversible addition-fragmentation chain trans-fer polymerization | - |
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