The Electron-Transporting Behaviors of Low-Molecular-Weight P(NDI2OD-T2) and Polystyrene Blends
Source abstract
Abstract
To optimize the performance of low-molecular-weight poly{[N,N’-bis(2-octyldodecyl)-naphthalene-1,4,5,8-bis(dicarboximide)-2,6-diyl]-alt-5,5’-(2,2’-bithiophene)} [P(NDI2OD-T2)] as an electron-transporting layer material, the electron-transporting behavior of P(NDI2OD-T2) in blends with polystyrene (PSt) was investigated. The results demonstrated that blends of P(NDI2OD-T2) with 10 wt% PSt after annealing exhibited significantly higher electron-transporting performance compared to unblended P(NDI2OD-T2). The electron mobility of the annealed blends reached 3.26 × 10-4 cm2/V·s, approximately 30 times higher than that of annealed unblended P(NDI2OD-T2) (1.08 × 10-5 cm2/V·s) and about 100 times higher than that of unannealed unblended P(NDI2OD-T2) (2.95 × 10-6 cm2/V·s). This enhanced performance is attributed to changes in the aggregate state and phase separation, particularly influenced by the unique properties of low-molecular-weight P(NDI2OD-T2) in facilitating uniform film formation and phase stability.
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Research context
OpenAlex topics: Organic Electronics and Photovoltaics · Conducting polymers and applications · Organic Light-Emitting Diodes Research
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Chemical Engineering and Pharmaceutical Engineering, Changzhou Vocational In-stitute of Engineering, Changzhou 213164, China
Jiangsu Province Key Laboratory of Fine Petrochemical Engineering, Changzhou University, Changzhou 213164, China
Graduate School of Bio-Applications and Systems Engineering, Tokyo University of Agriculture and Technology, 2-24-16 Nakacho, Koganei-shi 184-8588, Japan
Zhejiang Fenghong New-Material Co., Ltd., Huzhou 313300, China
Institute of Global Innovation Research, Tokyo University of Agriculture and Technology, 2-24-16 Nakacho, Koganei-shi 184-8588, Japan
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