TY - JOUR
T1 - The effect of boron-doped carbon nanotubes blended with active layers in achieving high-efficiency polymer solar cells and X-ray detectors
AU - Mehdi, Syed Muhammad Zain
AU - Liu, Hailiang
AU - Abbas, Sayed Zafar
AU - Vikraman, Dhanasekaran
AU - Hussain, Sajjad
AU - Kang, Jungwon
AU - Lee, Naesung
N1 - Publisher Copyright:
© 2022 Elsevier B.V.
PY - 2022/11/20
Y1 - 2022/11/20
N2 - Polymer solar cells (PSCs) usually offer inferior power conversion efficiency (PCE), lower open-circuit voltage (Voc), and inefficient charge extraction abilities. We studied boron-doped carbon nanotubes (B-CNTs) as the third active layer (AL) component to improve the PCE and Voc, due to their tunable work function, superior conductivity, and transport behavior. A novel arc discharge (AD) method produced B-CNTs without any residual catalysts. This work utilized PBDB-T: ITIC as the initial AL to prepare PSCs and X-ray detectors with glass/ITO/PEDOT: PSS/AL/LiF/Al structure. The excitation effects of PSC and X-ray detector devices based on ALs embedded with different amounts of B-CNTs were also studied. The derived outcomes revealed a PCE of 10.21 % for the constructed PSC with 3 wt% of B-CNTs blended AL. Furthermore, the fabricated X-ray photodetector with 3 wt% of B-CNTs obtained an excellent sensitivity of 2.49 mA/Gy·cm2. These results show that B-CNTs can act as both an exciton dissociation center and a charge transfer channel, promoting charge separation and transport in the AL.
AB - Polymer solar cells (PSCs) usually offer inferior power conversion efficiency (PCE), lower open-circuit voltage (Voc), and inefficient charge extraction abilities. We studied boron-doped carbon nanotubes (B-CNTs) as the third active layer (AL) component to improve the PCE and Voc, due to their tunable work function, superior conductivity, and transport behavior. A novel arc discharge (AD) method produced B-CNTs without any residual catalysts. This work utilized PBDB-T: ITIC as the initial AL to prepare PSCs and X-ray detectors with glass/ITO/PEDOT: PSS/AL/LiF/Al structure. The excitation effects of PSC and X-ray detector devices based on ALs embedded with different amounts of B-CNTs were also studied. The derived outcomes revealed a PCE of 10.21 % for the constructed PSC with 3 wt% of B-CNTs blended AL. Furthermore, the fabricated X-ray photodetector with 3 wt% of B-CNTs obtained an excellent sensitivity of 2.49 mA/Gy·cm2. These results show that B-CNTs can act as both an exciton dissociation center and a charge transfer channel, promoting charge separation and transport in the AL.
KW - Active layer
KW - Boron-doped carbon nanotubes
KW - Polymer solar cells
KW - Work function
KW - X-ray detectors
UR - http://www.scopus.com/inward/record.url?scp=85134597802&partnerID=8YFLogxK
U2 - 10.1016/j.jallcom.2022.166137
DO - 10.1016/j.jallcom.2022.166137
M3 - Article
AN - SCOPUS:85134597802
SN - 0925-8388
VL - 922
JO - Journal of Alloys and Compounds
JF - Journal of Alloys and Compounds
M1 - 166137
ER -