Highly efficient and high transmittance semitransparent polymer solar cells with one-dimensional photonic crystals as distributed Bragg reflectors

被引：46
作者：
Yu, Wenjuan [1 ,2 ]
Shen, Liang [1 ]
Long, Yongbing [3 ]
Shen, Ping [1 ]
Guo, Wenbin [2 ]
Chen, Weiyou [1 ]
Ruan, Shengping [2 ]
机构：
[1] Jilin Univ, State Key Lab Integrated Optoelect, Changchun 130012, Peoples R China
[2] Jilin Univ, Coll Elect Sci & Engn, Changchun 130012, Peoples R China
[3] WuYi Univ, Inst Thin Film & Nanomat, Sch Appl Phys & Mat, Jiangmen 529020, Peoples R China
来源：
ORGANIC ELECTRONICS | 2014年 / 15卷 / 02期
基金：
中国国家自然科学基金;
关键词：
Semitransparent polymer solar cells; One-dimensional photonic crystals; Distributed Bragg reflectors; PERFORMANCE; LAYER; NANOPARTICLES; BISADDUCT; ELECTRODE; ACCEPTOR; ENHANCE; BLENDS;
D O I：
10.1016/j.orgel.2013.11.043
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We demonstrate that one-dimensional photonic crystals as distributed Bragg reflectors can effectively improve the performance of semitransparent polymer solar cells (PSCs) based on the blend of P3HT:ICBA. The one dimensional distributed Bragg reflectors (1D DBRs) are composed of N pairs of WO3/LiF which are thermally evaporated on Ag anode. Due to its photonic bandgap, 1D DBRs can reflect the light totally back into the PSCs when the high reflectance range of 1D DBRs is well matched with absorption spectrum of the active layer. A maximum power conversion efficiency (PCE) of 4.12%, a highest transmittance of 80.4% at 660 nm and an average transmittance of 55.6% in the wavelength range of 600-800 nm are obtained in the case of N = 8, corresponding enhancement of 24.1% in PCE when compared with the device without the 1D DBRs. (C) 2013 Elsevier B.V. All rights reserved.
引用
收藏
页码：470 / 477
页数：8
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