Simple planar perovskite solar cells with a dopant-free benzodithiophene conjugated polymer as hole transporting material

被引：64

作者：

Chen, Weiye ^{[1
]}

Bao, Xichang

Zhu, Qianqian ^{[2
,3
]}

Zhu, Dangqiang ^{[2
]}

Qiu, Meng ^{[2
]}

Sun, Mingliang ^{[1
]}

Yang, Renqiang ^{[2
,4
]}

机构：

[1] Chinese Acad Sci, Qingdao Inst Bioenergy & Bioproc Technol, CAS Key Lab Biobased Mat, Qingdao 266101, Peoples R China

[2] Ocean Univ China, Inst Mat Sci & Engn, Qingdao 266100, Peoples R China

[3] Qingdao Univ Sci & Technol, Coll Mat Sci & Engn, Qingdao 266042, Peoples R China

[4] S China Univ Technol, State Key Lab Luminescent Mat & Devices, Guangzhou 510641, Peoples R China

来源：

JOURNAL OF MATERIALS CHEMISTRY C | 2015年 / 3卷 / 39期

关键词：

LAYER; CH3NH3PBI3; GROWTH;

D O I：

10.1039/c5tc01856k

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Dopant-free poly[(4,8-bis-(2-ethylhexyloxy)-benzo[1,2-b; 4,5-b']dithiophene)-2,6-diyl-alt-(4-(2-ethylhexanoyl)-thieno[3,4-b] thiophene)-2,6-diyl] (PBDTTT-C) polymer is used as hole transporting material (HTM) in electron transporting material (ETM) free planar perovskite solar cells (PSCs). The devices with a PBDTTT-C HTM show higher power conversion efficiency (PCE = 9.95%) than the devices with a P3HT HTM (PCE = 6.17%) with enhanced short circuit current density (J(sc)), open circuit voltage (V-oc) and fill factor (FF) in a simple device configuration (ITO/CH3NH3PbI3/PBDTTT-C/MoO3/Ag), due to the suitable energy level, better carrier mobility and lower interfacial charge recombination.

引用

页码：10070 / 10073

页数：4

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