Orderly Nanopatterned Indium Tin Oxide Electrode Combined with Atomic-Layer-Deposited Metal Oxide Interlayer for Inverted Organic Solar Cells

被引：4
作者：
Lin, Zhenhua [1 ,2 ]
Zhu, Mei [3 ]
Chang, Jingjing [2 ,4 ]
Jiang, Changyun [2 ]
Zhang, Jie [2 ]
Wu, Jishan [2 ,4 ]
Choi, Wee Kiong [1 ]
Zhu, Chunxiang [1 ]
机构：
[1] Natl Univ Singapore, Dept Elect & Comp Engn, Singapore 119260, Singapore
[2] ASTAR, Inst Mat Res & Engn, Singapore 117602, Singapore
[3] Natl Univ Singapore, NUS Grad Sch Integrat Sci & Engn, Singapore 117456, Singapore
[4] Natl Univ Singapore, Dept Chem, Singapore 117543, Singapore
来源：
ENERGY TECHNOLOGY | 2015年 / 3卷 / 09期
关键词：
light trapping effect; nanostructures; organic solar cells; oxides; thin films; POLYMER PHOTOVOLTAIC CELLS; EFFICIENCY ENHANCEMENT; HIGHLY EFFICIENT; BROAD-BAND;
D O I：
10.1002/ente.201500051
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
In this work, well-ordered periodic nanogroove structures are constructed on the surfaces of indium tin oxide (ITO) substrates through a simple and cost-effective patterning method, laser interference lithography (LIL). By using the nanopatterned ITO electrodes coated conformally with metal oxide thin films as the electron-selective interlayer (ESL) fabricated by low-temperature atomic layer deposition (ALD), periodically nanostructured cathode-active-layer interfaces are formed in the inverted organic solar cells (OSCs). Compared with a planar-ITO cathode, a nanopatterned ITO cathode with 30nm high nanogrooves leads to considerably improved short-circuit current and power conversion efficiency for poly(3-hexylthiophene)/[6,6]-phenyl-C61-butyric acid methyl ester (P3HT/PCBM) based cells. The improvement in the photocurrent is caused by enhanced light absorption and improved charge-carrier generation in the devices with nanostructured cathode-active-layer interfaces.
引用
收藏
页码：906 / 912
页数：7
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