Full metadata record
DC Field | Value | Language |
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dc.contributor.author | Maheshwaran, Athithan | - |
dc.contributor.author | Bae, Hyejeong | - |
dc.contributor.author | Park, Jaehyoung | - |
dc.contributor.author | Jung, Hyeonwoo | - |
dc.contributor.author | Hwang, Youngjun | - |
dc.contributor.author | Kim, Jongyoun | - |
dc.contributor.author | Park, Chaehyun | - |
dc.contributor.author | Kang, Byeongjae | - |
dc.contributor.author | Song, Myungkwan | - |
dc.contributor.author | Lee, Youngu | - |
dc.date.accessioned | 2024-01-03T22:10:15Z | - |
dc.date.available | 2024-01-03T22:10:15Z | - |
dc.date.created | 2023-10-25 | - |
dc.date.issued | 2023-09 | - |
dc.identifier.issn | 1944-8244 | - |
dc.identifier.uri | http://hdl.handle.net/20.500.11750/47537 | - |
dc.description.abstract | Cross-linkable hole transport materials (HTMs) are ideal for improving the performance of solution-processed quantum dot light-emitting diodes (QLEDs) and phosphorescent light-emitting diodes (OLEDs). However, previously developed cross-linkable HTMs possessed poor hole transport properties, high cross-linking temperatures, and long curing times. To achieve efficient cross-linkable HTMs with high mobility, low cross-linking temperature, and short curing time, we designed and synthesized a series of low-temperature cross-linkable HTMs comprising dibenzofuran (DBF) and 4-divinyltriphenylamine (TPA) segments for highly efficient solution-processed QLEDs and OLEDs. The introduction of divinyl-functionalized TPA in various positions of the DBF core remarkably affected their chemical, physical, and electrochemical properties. In particular, cross-linked 4-(dibenzo[b,d]furan-3-yl)-N,N-bis(4-vinylphenyl)aniline (3-CDTPA) exhibited a deep highest occupied molecular orbital energy level (5.50 eV), high hole mobility (2.44 × 10-4 cm2 V-1 s-1), low cross-linking temperature (150 °C), and short curing time (30 min). Furthermore, a green QLED with 3-CDTPA as the hole transport layer (HTL) exhibited a notable maximum external quantum efficiency (EQEmax) of 18.59% with a remarkable maximum current efficiency (CEmax) of 78.48 cd A-1. In addition, solution-processed green OLEDs with 3-CDTPA showed excellent device performance with an EQEmax of 15.61%, a CEmax of 52.51 cd A-1, and outstanding CIE(x, y) color coordinates of (0.29, 0.61). This is one of the highest reported EQEs and CEs with high color purity for green solution-processed QLEDs and OLEDs using a divinyl-functionalized cross-linked HTM as the HTL. We believe that this study provides a new strategy for designing and synthesizing practical cross-linakable HTMs with enhanced performance for highly efficient solution-processed QLEDs and OLEDs. © 2023 American Chemical Society | - |
dc.language | English | - |
dc.publisher | American Chemical Society | - |
dc.title | Low-Temperature Cross-Linkable Hole Transport Materials for Solution-Processed Quantum Dot and Organic Light-Emitting Diodes with High Efficiency and Color Purity | - |
dc.type | Article | - |
dc.identifier.doi | 10.1021/acsami.3c09106 | - |
dc.identifier.wosid | 001066344200001 | - |
dc.identifier.scopusid | 2-s2.0-85172935326 | - |
dc.identifier.bibliographicCitation | ACS Applied Materials & Interfaces, v.15, no.38, pp.45167 - 45176 | - |
dc.description.isOpenAccess | FALSE | - |
dc.subject.keywordAuthor | cross-linkable | - |
dc.subject.keywordAuthor | hole transport material | - |
dc.subject.keywordAuthor | solution-processed | - |
dc.subject.keywordAuthor | quantumdot | - |
dc.subject.keywordAuthor | light-emitting diode | - |
dc.subject.keywordPlus | CONDUCTING POLYMER | - |
dc.subject.keywordPlus | IMPROVE | - |
dc.citation.endPage | 45176 | - |
dc.citation.number | 38 | - |
dc.citation.startPage | 45167 | - |
dc.citation.title | ACS Applied Materials & Interfaces | - |
dc.citation.volume | 15 | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
dc.relation.journalResearchArea | Science & Technology - Other Topics; Materials Science | - |
dc.relation.journalWebOfScienceCategory | Nanoscience & Nanotechnology; Materials Science, Multidisciplinary | - |
dc.type.docType | Article | - |
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