Stabilization of Spontaneous Orientation Polarization by Preventing Charge Injection from Electrodes
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- Wang Wei-Chih
- RIKEN Center for Emergent Matter Science (CEMS) Department of Applied Chemistry, National Yang Ming Chiao Tung University Center for Emergent Functional Matter Science, National Yang Ming Chiao Tung University
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- Nakano Kyohei
- RIKEN Center for Emergent Matter Science (CEMS)
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- Tanaka Yuya
- Graduate School of Science and Technology, Gunma University
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- Ishii Hisao
- Graduate School of Science and Engineering, Chiba University Center for Frontier Science, Chiba University
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- Hsu Chain-Shu
- Department of Applied Chemistry, National Yang Ming Chiao Tung University Center for Emergent Functional Matter Science, National Yang Ming Chiao Tung University
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- Tajima Keisuke
- RIKEN Center for Emergent Matter Science (CEMS)
抄録
<p>The stability of the surface potential derived from spontaneous orientation polarization (SOP) in 2,2′,2″-(1,3,5-benzinetriyl)-tris(1-phenyl-1-H-benzimidazole) (TPBi) films was significantly improved by inserting an insulating layer at the electrode interface. The time of 20% potential loss from the initial value was extended from 1.3 days to 64 days in the dark at room temperature. Numerical simulations of the electrostatic potential in the films showed that the electrons accumulate at the surface region of the TPBi films in thermodynamic equilibrium, compensating for the internal electric field to decrease the surface potential. It was suggested that the insulating layer prevents electron injection from the electrode and stabilizes the surface potential.</p>
収録刊行物
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- Journal of Photopolymer Science and Technology
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Journal of Photopolymer Science and Technology 36 (3), 161-166, 2023-06-15
フォトポリマー学会
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詳細情報 詳細情報について
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- CRID
- 1390299903955181568
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- ISSN
- 13496336
- 09149244
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- Crossref
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- 抄録ライセンスフラグ
- 使用不可