中国物理B ›› 2015, Vol. 24 ›› Issue (11): 115202-115202.doi: 10.1088/1674-1056/24/11/115202

• PHYSICS OF GASES, PLASMAS, AND ELECTRIC DISCHARGES • 上一篇    下一篇

Au nanorods-incorporated plasmonic-enhanced inverted organic solar cells

彭玲a b, 梅杨a, 陈淑芬a, 张玉佩a, 郝敬昱a, 邓玲玲a b, 黄维a c   

  1. a Key Laboratory for Organic Electronics and Information Displays & Institute of Advanced Materials, Nanjing University of Posts & Telecommunications Synergistic Innovation Center for Advanced Materials, Nanjing 210023, China;
    b School of Opto-Electronic Engineering, Nanjing University of Posts & Telecommunications, Nanjing 210023, China;
    c Key Laboratory of Flexible Electronics & Institute of Advanced Materials, National Synergistic Innovation Center for Advanced Materials, Nanjing Tech University, Nanjing 211816, China
  • 收稿日期:2015-04-03 修回日期:2015-06-01 出版日期:2015-11-05 发布日期:2015-11-05
  • 通讯作者: Chen Shu-Fen, Huang Wei E-mail:iamsfchen@njupt.edu.cn;iamdirector@fudan.edu.cn
  • 基金资助:
    Project supported by the Ministry of Science and Technology, China (Grant No. 2012CB933301), the National Natural Science Foundation of China (Grant Nos. 61274065, 51173081, 61136003, BZ2010043, 51372119, and 51172110), and the Priority Academic Program Development of Jiangsu Provincial Higher Education Institutions and Synergetic Innovation Center for Organic Electronics and Information Displays, China.

Au nanorods-incorporated plasmonic-enhanced inverted organic solar cells

Peng Ling (彭玲)a b, Mei Yang (梅杨)a, Chen Shu-Fen (陈淑芬)a, Zhang Yu-Pei (张玉佩)a, Hao Jing-Yu (郝敬昱)a, Deng Ling-Ling (邓玲玲)a b, Huang Wei (黄维)a c   

  1. a Key Laboratory for Organic Electronics and Information Displays & Institute of Advanced Materials, Nanjing University of Posts & Telecommunications Synergistic Innovation Center for Advanced Materials, Nanjing 210023, China;
    b School of Opto-Electronic Engineering, Nanjing University of Posts & Telecommunications, Nanjing 210023, China;
    c Key Laboratory of Flexible Electronics & Institute of Advanced Materials, National Synergistic Innovation Center for Advanced Materials, Nanjing Tech University, Nanjing 211816, China
  • Received:2015-04-03 Revised:2015-06-01 Online:2015-11-05 Published:2015-11-05
  • Contact: Chen Shu-Fen, Huang Wei E-mail:iamsfchen@njupt.edu.cn;iamdirector@fudan.edu.cn
  • Supported by:
    Project supported by the Ministry of Science and Technology, China (Grant No. 2012CB933301), the National Natural Science Foundation of China (Grant Nos. 61274065, 51173081, 61136003, BZ2010043, 51372119, and 51172110), and the Priority Academic Program Development of Jiangsu Provincial Higher Education Institutions and Synergetic Innovation Center for Organic Electronics and Information Displays, China.

摘要: The effect of Au nanorods (NRs) on optical-to-electric conversion efficiency is investigated in inverted polymer solar cells, in which Au NRs are sandwiched between two layers of ZnO. Accompanied by the optimization of thickness of ZnO covered on Au NRs, a high-power conversion efficiency of 3.60% and an enhanced short-circuit current density (JSC) of 10.87 mA/cm2 are achieved in the poly(3-hexylthiophene): [6,6]-phenyl-C61-butyric acid methyl ester (P3HT:PC60BM)-based inverted cell and the power conversion efficiency (PCE) is enhanced by 19.6% compared with the control device. The detailed analyses of the light absorption characteristics, the simulated scattering induced by Au NRs, and the electromagnetic field around Au NRs show that the absorption improvement in the photoactive layer due to the light scattering from the longitudinal axis and the near-field increase around Au NRs induced by localized surface plasmon resonance plays a key role in enhancing the performances.

关键词: organic solar cells, nanorods, LSPR effect, scattering

Abstract: The effect of Au nanorods (NRs) on optical-to-electric conversion efficiency is investigated in inverted polymer solar cells, in which Au NRs are sandwiched between two layers of ZnO. Accompanied by the optimization of thickness of ZnO covered on Au NRs, a high-power conversion efficiency of 3.60% and an enhanced short-circuit current density (JSC) of 10.87 mA/cm2 are achieved in the poly(3-hexylthiophene): [6,6]-phenyl-C61-butyric acid methyl ester (P3HT:PC60BM)-based inverted cell and the power conversion efficiency (PCE) is enhanced by 19.6% compared with the control device. The detailed analyses of the light absorption characteristics, the simulated scattering induced by Au NRs, and the electromagnetic field around Au NRs show that the absorption improvement in the photoactive layer due to the light scattering from the longitudinal axis and the near-field increase around Au NRs induced by localized surface plasmon resonance plays a key role in enhancing the performances.

Key words: organic solar cells, nanorods, LSPR effect, scattering

中图分类号:  (Electromagnetic waves (e.g., electron-cyclotron, Whistler, Bernstein, upper hybrid, lower hybrid))

  • 52.35.Hr
52.25.Tx (Emission, absorption, and scattering of particles) 68.37.Lp (Transmission electron microscopy (TEM)) 68.37.Ps (Atomic force microscopy (AFM))