Air-Stable Efficient Inverted Polymer Solar Cells Using Solution-Processed Nanocrystalline ZnO Interfacial Layer

被引：82

作者：

Tan, Mein Jin ^{[1
]}

Zhong, Shu ^{[2
]}

Li, Jun ^{[1
]}

Chen, Zhikuan ^{[1
]}

Chen, Wei ^{[2
,3
]}

机构：

[1] ASTAR, Inst Mat Res & Engn, Singapore 117602, Singapore

[2] Natl Univ Singapore, Dept Chem, Singapore 117543, Singapore

[3] Natl Univ Singapore, Dept Phys, Singapore 117542, Singapore

来源：

ACS APPLIED MATERIALS & INTERFACES | 2013年 / 5卷 / 11期

关键词：

zinc oxide; inverted polymer solar cells; lifetime stability; electron transport layer; P3HT; solution processable; ELECTRON-TRANSPORT LAYER; PHOTOVOLTAIC PERFORMANCE; OXIDE NANOPARTICLES; BUFFER LAYER; THIN-FILMS; ENHANCEMENT; MORPHOLOGY; SURFACE;

D O I：

10.1021/am303004r

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

In this work, efficient bulk heterojunction (BHJ) organic solar cells (OSC) in inverted configuration have been demonstrated. Power conversion efficiency (PCE) of 3.7% is reported for OSC employing silver top electrodes, molybdenum trioxide (MoO3) as the hole-transport interlayer (HTL), active layer comprising of poly-3-hexylthiophene (P3HT) and [6,6]-phenyl C-61 butyric acid methyl ester (PCBM) as well as a nanocrystalline solution-synthesized zinc oxide (ZnO) nanoparticle (NP) film as the electron-transport layer (ETL). By using solution-processable ZnO crystalline NPs as ETL, we can eliminate the typical high temperature processing/annealing step, which is widely adopted in the conventional ZnO ETL fabrication process via the sol gel method. Such highly crystalline ZnO NP films can enhance charge collection at the electrodes. It is also found that inverted OSCs exhibit greater air stability and lifetime performance compared to the OSC employing the normal structure.

引用

页码：4696 / 4701

页数：6

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