| 학회 |
한국고분자학회 |
| 학술대회 |
2013년 봄 (04/11 ~ 04/12, 대전컨벤션센터) |
| 권호 |
38권 1호 |
| 발표분야 |
분자전자 부문위원회 |
| 제목 |
Synthesis of Polybenzothiadiazole-co-dithienobenzodithiophenes and Effect of Thiophene Insertion for High-Performance Organic Photovoltaic Solar Cells |
| 초록 |
We studied the effects of strategically inserting thiophene to the DTBDT side position on opto-electronic performances of fabricated devices. From UV-Vis absorption, electro chemical and field effect transistor analyses, we found that thiophene-inserted DTBDT derivative can substantially increase the orbital-overlap area between adjacent conjugated chains and thus dramatically enhance charge carrier mobility, up to 0.55 cm2/Vs. The outstanding charge transport characteristic of this polymer allowed the realization of high performance organic solar cells with power conversion efficiency (PCE) of 5.1%. Detailed studies on the morphological issue factors that enabled maximum PCE of the polymer solar cells are discussed combined with hole/electron mobility analysis based on the space charge limited current model. |
| 저자 |
윤희준1, 이윤지1, 유승진1, 정대성2, 김윤희1, 권순기1
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| 소속 |
1경상대, 2동아대 |
| 키워드 |
Conjugated polymer solar cells; Donor-acceptor low bandgap polymers; Organic photovoltaic; organic thin-film transistors; P-channel organic semiconductors
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| E-Mail |
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