TY - JOUR
T1 - Copper oxide-modified graphene anode and its application in organic photovoltaic cells
AU - Wang, Min
AU - Yu, Hongtao
AU - Ma, Xiaoqian
AU - Yao, Yao
AU - Wang, Liang
AU - Liu, Lihui
AU - Cao, Kun
AU - Liu, Shuli
AU - Dong, Chen
AU - Zhao, Baomin
AU - Song, Chunyuan
AU - Chen, Shufen
AU - Huang, Wei
N1 - Publisher Copyright:
© 2018 Optical Society of America.
PY - 2018/9/3
Y1 - 2018/9/3
N2 - Graphene is an ideal substitute for indium tin oxide electrode in organic photovoltaic (OPV) devices, due to its outstanding electrical, optical, chemical and mechanical properties. However, the graphene electrode suffers from work function mismatch with common hole injection layer and intrinsic hydrophobic property. Here, CuxO is proposed to modify monolayer graphene in order to increase the work function of graphene (from 4.45 to 4.76 eV) and decrease the water contact angle (from 88° to 59°). Then, the OPV devices based on the CuxO modified graphene anode are fabricated successfully, and power conversion efficiency (PCE) is enhanced from 4.00 ± 0.44 to 5.23 ± 0.47%. Furthermore, the ternary blended polymer solar cell is fabricated by adding a small molecular material 1, 2, 5-thiadiazole-fused 12-ring polyaromatic hydrocarbon into the active layer, and the PCE is improved to 6.03 ± 0.53%, due to the enhanced absorption and depressed recombination inside the active layer.
AB - Graphene is an ideal substitute for indium tin oxide electrode in organic photovoltaic (OPV) devices, due to its outstanding electrical, optical, chemical and mechanical properties. However, the graphene electrode suffers from work function mismatch with common hole injection layer and intrinsic hydrophobic property. Here, CuxO is proposed to modify monolayer graphene in order to increase the work function of graphene (from 4.45 to 4.76 eV) and decrease the water contact angle (from 88° to 59°). Then, the OPV devices based on the CuxO modified graphene anode are fabricated successfully, and power conversion efficiency (PCE) is enhanced from 4.00 ± 0.44 to 5.23 ± 0.47%. Furthermore, the ternary blended polymer solar cell is fabricated by adding a small molecular material 1, 2, 5-thiadiazole-fused 12-ring polyaromatic hydrocarbon into the active layer, and the PCE is improved to 6.03 ± 0.53%, due to the enhanced absorption and depressed recombination inside the active layer.
UR - http://www.scopus.com/inward/record.url?scp=85052712326&partnerID=8YFLogxK
U2 - 10.1364/OE.26.00A769
DO - 10.1364/OE.26.00A769
M3 - 文章
C2 - 30184836
AN - SCOPUS:85052712326
SN - 1094-4087
VL - 26
SP - A769-A776
JO - Optics Express
JF - Optics Express
IS - 18
ER -
