| 학회 |
한국고분자학회 |
| 학술대회 |
2011년 가을 (10/06 ~ 10/07, 김대중 컨벤션센터) |
| 권호 |
36권 2호 |
| 발표분야 |
유기전자소자용 소재 및 소자(분자전자소재 부문위원회) |
| 제목 |
Synthesis and Characterization of Dithienylbenzobis(thiadiazole)-Based Low Band-Gap Polymers for Organic Electronics |
| 초록 |
The generally adapted strategy in designing low-band gap conjugated polymers is to alternate the electron-rich and electron-deficient units on the polymer backbone. Several low-band gap polymers have been utilized for organic photovoltaics (OPVs) with power conversion efficiency of 2-5%. In order to increase the efficiency of OPV devices, many aspects should be taken into account, such as the absorption coefficients of the materials, the exciton dissociation rates, and the charge-carrier mobilities. New donor-accepter alternating conjugated polymers with different donors for tuning their band-gaps and improving photovoltaic performance were synthesized and characterized. Among them, PCPBBT exhibited a band-gap of 1.01 eV and ambipolar characteristics with μh=7.1*10-4cm/Vs and μC=3.3*10-3cm/Vs. The low-band gap conjugated polymers was compared to their optical, electrochemical, and photovoltaic properties. |
| 저자 |
고윤혁1, 이광섭1, 김태동1, 조신욱2, 오형섭3, 백남섭4
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| 소속 |
1한남대, 2울산대, 3버팔로대, 4전자통신(연) |
| 키워드 |
ambipolar characteristics; low-band gap
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| E-Mail |
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