Ultrathin two-dimensional graphitic carbon nitride as a solution-processed cathode interfacial layer for inverted polymer solar cells

被引:68
作者
Zhou, Lingyu [1 ,2 ]
Xu, Yuxing [1 ,2 ]
Yu, Wei [1 ]
Guo, Xin [1 ]
Yu, Shuwen [1 ]
Zhang, Jian [1 ]
Li, Can [1 ]
机构
[1] Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian Natl Lab Clean Energy, 457 Zhongshan Rd, Dalian 116023, Peoples R China
[2] Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
关键词
ELECTRON-EXTRACTION LAYERS; GRAPHENE OXIDE DERIVATIVES; HOLE TRANSPORT LAYER; OPEN-CIRCUIT VOLTAGE; QUANTUM DOTS; NANOSHEETS; PERFORMANCE; DEPENDENCE; EFFICIENCY;
D O I
10.1039/c6ta01894g
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The utilization of two-dimensional graphitic carbon nitride (C3N4) nanosheets as a cathode interfacial layer (CIL) in inverted polymer solar cells (PSCs) is demonstrated. The device with C3N4 as a CIL exhibited a remarkable improvement in power conversion efficiency, indicating that C3N4 can effectively modify the BHJ/ITO interface to facilitate efficient electron collection. Our results indicate that the solution exfoliated C3N4 is a new and promising electron transport material for solution processed organic optoelectronic devices.
引用
收藏
页码:8000 / 8004
页数:5
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