| 학회 |
한국고분자학회 |
| 학술대회 |
2019년 가을 (10/09 ~ 10/11, 제주컨벤션센터) |
| 권호 |
44권 2호 |
| 발표분야 |
분자전자 부문위원회 II |
| 제목 |
Nanowire approach to realize high performance organic photodiodes with wide linear dynamic range |
| 초록 |
Here we introduce poly(3-hexylthiophene-2,5-diyl) (P3HT) nanowire (NW) into P3HT: [6,6]-phenyl-C61-butyric acid methyl ester (PCBM) bulk heterojunction (BHJ) to realize high-performance organic photodiodes (OPDs) with a wide linear dynamic range (LDR). Film morphology analyses using atomic force microscopy (AFM) were carried out to optimize the aging time and solution concentration for sufficient formation of P3HT NW. P3HT NWs formed in P3HT:PCBM BHJ provided the BHJ film with not only the enhanced charge carrier mobility, which is investigated by space charge-limited current (SCLC) analysis, but also improved parameters in various ways, such as lowered ideality factor and widened depletion width, due to its more efficient charge transport and more defect-free nature than typical BHJ film. As a result, P3HT NW-included OPD rendered higher specific detectivity and LDR than the P3HT NW-free BHJ-based OPD. |
| 저자 |
박수연, 김정환, 이연우, 최현빈, 남건희, 정대성
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| 소속 |
대구경북과학기술원 |
| 키워드 |
organic photodiode; nanowire; polymer; wide linear dynamic range
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| E-Mail |
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