| 학회 |
한국고분자학회 |
| 학술대회 |
2013년 가을 (10/11 ~ 10/12, 창원컨벤션센터) |
| 권호 |
38권 2호 |
| 발표분야 |
분자전자 부문위원회 |
| 제목 |
Improved performance of Polymer-Quantum Dot Hybrid Solar Cells using Sequential Ligand Exchange and elimination |
| 초록 |
To develop an efficient polymer-quantum dot (QD) hybrid solar cell, it is important to improve electronic interaction between donor polymer and acceptor QDs. However, the change in surface ligands, surface states, and the correlated device performance corresponding to the surface modification method are still remained as intricate problems. Therefore, a systematic study between surface chemistry and device physics is required to improve the performance of polymer-QD hybrid solar cells. In this work, we report a sequential strategy on the surface treatment of CdSe QDs for P3HT:CdSe QD bulk-heterojunction solar cells. We found that sequential surface treatment using hexanoic acid and hexylamine effectively replaced oleate ligands on CdSe QDs. Reduction in ligand shell thickness and the surface passivation by hexylamine result in efficient charge carrier transport and increased power conversion efficiency. |
| 저자 |
이창희1, 이동구1, 임재훈1, 박명진1, 김준영1, 송지연1, 곽정훈2, 이성훈1, 차국헌1
|
| 소속 |
1서울대, 2동아대 |
| 키워드 |
Polymer-Quantum Dot Hybrid Solar Cells |
| E-Mail |
|
