Light extraction film for organic light-emitting diodes based on an eco-friendly template comprising cellulose and polyphenon 60
The demand for eco-friendly, alternative materials and processes is increasing across various industries to substitute petroleum-based materials, which have negative environmental impacts. Therefore, this study developed an environmentally sustainable template using polyphenon 60 (P60) extracted fro...
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| Format: | Article |
| Language: | English |
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Taylor & Francis Group
2025-05-01
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| Series: | Journal of Information Display |
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| Online Access: | https://www.tandfonline.com/doi/10.1080/15980316.2025.2500619 |
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| author | Hyunjun Jang Jooho Lee Sora Han Baeksang Sung Chul Woong Joo Hyunji Park Jinhwa Kim Hyerin Kang Seoyeon Kim Jae-Hyun Lee Yong Hyun Kim Jonghee Lee |
| author_facet | Hyunjun Jang Jooho Lee Sora Han Baeksang Sung Chul Woong Joo Hyunji Park Jinhwa Kim Hyerin Kang Seoyeon Kim Jae-Hyun Lee Yong Hyun Kim Jonghee Lee |
| author_sort | Hyunjun Jang |
| collection | DOAJ |
| description | The demand for eco-friendly, alternative materials and processes is increasing across various industries to substitute petroleum-based materials, which have negative environmental impacts. Therefore, this study developed an environmentally sustainable template using polyphenon 60 (P60) extracted from green tea and hydroxyethyl cellulose (HEC) via a solvent-free process employing only deionized water. The template surface exhibited randomly distributed microscale aggregates owing to the chemical interactions between HEC and P60, with their morphology varying as a function of the P60 concentration. The quantitative analysis utilizing fill factor calculations demonstrated that increased P60 concentration led to a higher aggregate density and larger structure sizes as the fill factor values increased from 21% at 1.5 wt% to 45% at 2.0 wt% and 86% at 2.5 wt%. This precise modulation of the P60 concentration enabled systematic control over the aggregate size and density, offering a significant advantage in optimizing the structural properties of the enhanced optical performance template. The light extraction film showed enhanced efficiency of up to 29.5% in all directions when integrated into an organic light-emitting diode (OLED), validating the effectiveness of the proposed method in improving device performance. These findings highlight a scalable and sustainable approach for advancing OLED display and lighting technologies. |
| format | Article |
| id | doaj-art-e5ed3ab4e28e4043a0a574cdae2f8043 |
| institution | DOAJ |
| issn | 1598-0316 2158-1606 |
| language | English |
| publishDate | 2025-05-01 |
| publisher | Taylor & Francis Group |
| record_format | Article |
| series | Journal of Information Display |
| spelling | doaj-art-e5ed3ab4e28e4043a0a574cdae2f80432025-08-20T02:57:44ZengTaylor & Francis GroupJournal of Information Display1598-03162158-16062025-05-0111110.1080/15980316.2025.2500619Light extraction film for organic light-emitting diodes based on an eco-friendly template comprising cellulose and polyphenon 60Hyunjun Jang0Jooho Lee1Sora Han2Baeksang Sung3Chul Woong Joo4Hyunji Park5Jinhwa Kim6Hyerin Kang7Seoyeon Kim8Jae-Hyun Lee9Yong Hyun Kim10Jonghee Lee11Department of Creative Convergence Engineering, Hanbat National University, Daejeon, Republic of KoreaDepartment of Creative Convergence Engineering, Hanbat National University, Daejeon, Republic of KoreaDepartment of Creative Convergence Engineering, Hanbat National University, Daejeon, Republic of KoreaDepartment of Creative Convergence Engineering, Hanbat National University, Daejeon, Republic of KoreaReality Device Research Division, Electronics and Telecommunications Research Institute, Daejeon, Republic of KoreaReality Device Research Division, Electronics and Telecommunications Research Institute, Daejeon, Republic of KoreaDepartment of Creative Convergence Engineering, Hanbat National University, Daejeon, Republic of KoreaDepartment of Creative Convergence Engineering, Hanbat National University, Daejeon, Republic of KoreaDepartment of Creative Convergence Engineering, Hanbat National University, Daejeon, Republic of KoreaDepartment of Creative Convergence Engineering, Hanbat National University, Daejeon, Republic of KoreaDepartment of Smart Green Technology Engineering, Pukyong National University, Busan, Republic of KoreaDepartment of Creative Convergence Engineering, Hanbat National University, Daejeon, Republic of KoreaThe demand for eco-friendly, alternative materials and processes is increasing across various industries to substitute petroleum-based materials, which have negative environmental impacts. Therefore, this study developed an environmentally sustainable template using polyphenon 60 (P60) extracted from green tea and hydroxyethyl cellulose (HEC) via a solvent-free process employing only deionized water. The template surface exhibited randomly distributed microscale aggregates owing to the chemical interactions between HEC and P60, with their morphology varying as a function of the P60 concentration. The quantitative analysis utilizing fill factor calculations demonstrated that increased P60 concentration led to a higher aggregate density and larger structure sizes as the fill factor values increased from 21% at 1.5 wt% to 45% at 2.0 wt% and 86% at 2.5 wt%. This precise modulation of the P60 concentration enabled systematic control over the aggregate size and density, offering a significant advantage in optimizing the structural properties of the enhanced optical performance template. The light extraction film showed enhanced efficiency of up to 29.5% in all directions when integrated into an organic light-emitting diode (OLED), validating the effectiveness of the proposed method in improving device performance. These findings highlight a scalable and sustainable approach for advancing OLED display and lighting technologies.https://www.tandfonline.com/doi/10.1080/15980316.2025.2500619Eco-friendly templatehydroxyethyl cellulosepolyphenon 60micro-sized aggregatesorganic light-emitting diode |
| spellingShingle | Hyunjun Jang Jooho Lee Sora Han Baeksang Sung Chul Woong Joo Hyunji Park Jinhwa Kim Hyerin Kang Seoyeon Kim Jae-Hyun Lee Yong Hyun Kim Jonghee Lee Light extraction film for organic light-emitting diodes based on an eco-friendly template comprising cellulose and polyphenon 60 Journal of Information Display Eco-friendly template hydroxyethyl cellulose polyphenon 60 micro-sized aggregates organic light-emitting diode |
| title | Light extraction film for organic light-emitting diodes based on an eco-friendly template comprising cellulose and polyphenon 60 |
| title_full | Light extraction film for organic light-emitting diodes based on an eco-friendly template comprising cellulose and polyphenon 60 |
| title_fullStr | Light extraction film for organic light-emitting diodes based on an eco-friendly template comprising cellulose and polyphenon 60 |
| title_full_unstemmed | Light extraction film for organic light-emitting diodes based on an eco-friendly template comprising cellulose and polyphenon 60 |
| title_short | Light extraction film for organic light-emitting diodes based on an eco-friendly template comprising cellulose and polyphenon 60 |
| title_sort | light extraction film for organic light emitting diodes based on an eco friendly template comprising cellulose and polyphenon 60 |
| topic | Eco-friendly template hydroxyethyl cellulose polyphenon 60 micro-sized aggregates organic light-emitting diode |
| url | https://www.tandfonline.com/doi/10.1080/15980316.2025.2500619 |
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