| 학회 |
한국고분자학회 |
| 학술대회 |
2021년 가을 (10/20 ~ 10/22, 경주컨벤션센터) |
| 권호 |
46권 2호 |
| 발표분야 |
고분자합성 |
| 제목 |
Enhancing Charge Injection of PEDOT:PSS-based Organic Photovoltaics by Incorporation of N-doped Carbon Quantum Dots |
| 초록 |
The utilization of a nitrogen-doped carbon quantum dot (N-CQD)/poly(3,4-ethylenedioxythiophene):poly(styrene sulfonate) (PEDOT:PSS) composite as a hole transport layer (HTL) in bulk heterojunction organic photovoltaic devices (OPVs) is demonstrated. Because of the electrostatic interaction between N-CQDs and the polymers, the reorientation of PEDOT chains and the interconnected structure of PEDOT-rich domains are readily formed. Consequently, the incorporation of N-CQD in PEDOT:PSS layer leads to a significant increase in electrical conductivity and smother surface. The power conversion efficiency (PCE) of the OPV device using N-CQDs/PEDOT:PSS as the HTL was 17% higher than the device with pristine PEDOT−PSS with/without oxidized carbon quantum dot (O-CQD) as the HTL with a VOC of 0.74 V, a JSC of 17.2 mA/cm2, and a FF of 66.63%. Our results indicate that N-CQD could be a simple supplementation to PEDOT:PSS as the effective hole transport layer in OPV devices. |
| 저자 |
Nguyen Duong Nguyen, 김정규, 이준영
|
| 소속 |
성균관대 |
| 키워드 |
PEDOT:PSS; N-CQD; solar cell; hole transport material
|
| E-Mail |
|
