Absorption enhancement of ZnPc thin films grown on nano-patterned polymer underlayer

被引：1
|
作者：
Han, Jiyeong [1 ]
Lee, Jinho [1 ]
Yim, Sanggyu [1 ]
机构：
[1] Kookmin Univ, Dept Chem, Seoul 136702, South Korea
来源：
APPLIED SURFACE SCIENCE | 2013年 / 284卷
基金：
新加坡国家研究基金会;
关键词：
Polymer surfaces; Nanoimprinting; Absorption enhancement; ORGANIC SOLAR-CELLS; FABRICATION; LIGHT;
D O I：
10.1016/j.apsusc.2013.07.099
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：
We developed a simple and efficient nanoimprinting technique based on the capillary force lithography to fabricate two-dimensional arrays of nanoholes on the surface of poly(3,4-ethylenedioxythiophene): poly(styrenesulfonate) (PEDOT:PSS) layers. A replicated polymer mold was used as the imprinting stamp, and the surface nanopatterns were formed by capillary rise of the moist PEDOT: PSS solution. The nanopatterned PEDOT: PSS layer could refract the incident light, thereby increasing the path lengths of the light passing through the zinc phthalocyanine (ZnPc) films deposited on the PEDOT: PSS layer. As a result, the absorbance of the ZnPc films was enhanced by up to similar to 14% in parts of the absorbance range of ZnPc. (C) 2013 Elsevier B. V. All rights reserved.
引用
收藏
页码：315 / 318
页数：4
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