Cross-linked Triarylamine-Based Hole-Transporting Layer for Solution-Processed PEDOT:PSS-Free Inverted Perovskite Solar Cells

被引：29
作者：
Chang, Chia-Chih [1 ]
Tao, Jhih-Hao [1 ]
Tsai, Che-En [1 ]
Cheng, Yen-Ju [1 ]
Hsu, Chain-Shu [1 ,2 ]
机构：
[1] Natl Chiao Tung Univ, Dept Appl Chem, 1001 Univ Rd, Hsinchu 30010, Taiwan
[2] Natl Chiao Tung Univ, Taiwan Ctr Emergent Funct Matter Sci, 1001 Univ Rd, Hsinchu 30010, Taiwan
来源：
ACS APPLIED MATERIALS & INTERFACES | 2018年 / 10卷 / 25期
关键词：
PEDOT:PSS free; inverted perovskite solar cells; hole-transporting layer; fulleropyrrolidinium iodide; organic/inorganic hybrid; binary electron-transporting layer; ELECTRON-TRANSPORT; ROOM-TEMPERATURE; EXTRACTION LAYER; HIGHLY EFFICIENT; HIGH-PERFORMANCE; VANADIUM-OXIDE; POLYMER; DOPANT; FULLERENE; IODIDE;
D O I：
10.1021/acsami.8b04396
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The device performance of inverted organic metallohalide perovskite solar cells (OMPSCs) is optimized via tailoring the electrode surfaces with electron- and hole-transporting materials. This work demonstrates the fabrication of PEDOT:PSS-free OMPSCs using' a hole-transporting composite material consisting of bilayered vanadium oxide (VOx) and a thermally cross-linked triarylamine-based material X-DVTPD, which contributes to higher V-oc and J(sc) values. The hydrophobicity of X-DVTPD resulted in the formation of large perovskite crystals and enhanced the stability of OMPSCs. Integration of ionic fullerene derivative, fulleropyrrolidinium iodide, in OMPSCs as a hole-blocking interfacial layer at the interface with Ag proves effective to further boost the device efficiency to 18.08%.
引用
收藏
页码：21466 / 21471
页数：6
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