Special Section on Organic Photovoltaics

Double plasmonic structure design for broadband absorption enhancement in molecular organic solar cells

[+] Author Affiliations
Wenli Bai

Lehigh University, Electrical and Computer Engineering Department, Bethlehem, Pennsylvania 18015

Chinese Academy of Sciences, Institute of Semiconductors, Beijing, 100083 China

Tsinghua University, Department of Electronic Engineering, Beijing, 100084 China

Qiaoqiang Gan

Lehigh University, Electrical and Computer Engineering Department, Bethlehem, Pennsylvania 18015

State University of New York at Buffalo, Department of Electrical Engineering, Room 215D,Bonner Hall, Buffalo, New York 14260

Guofeng Song

Chinese Academy of Sciences, Institute of Semiconductors, Beijing, 100083 China

Lianghui Chen

Chinese Academy of Sciences, Institute of Semiconductors, Beijing, 100083 China

Zakya Kafafi

Lehigh University, Electrical and Computer Engineering Department, Bethlehem, Pennsylvania 18015

National Science Foundation, Division of Chemistry, Arlington, Virginia 22230

Filbert Bartoli

Lehigh University, Electrical and Computer Engineering Department, Bethlehem, Pennsylvania 18015

J. Photon. Energy. 1(1), 011121 (May 04, 2011). doi:10.1117/1.3585876
History: Received February 01, 2011; Revised April 12, 2011; Accepted April 13, 2011; Published May 04, 2011; Online May 04, 2011
Text Size: A A A

Absorption enhancement by a double plasmonic nanostructure in molecular organic photovoltaics (OPVs) is theoretically investigated. The structure consists of a periodic array of metal nanodiscs on one side of the OPV active layers and a thin metal nanohole array on the other side. Excitation of coupled modes of localized surface plasmon polaritons at the nanodiscs and short-range surface plasmon polaritons at the nanohole array causes the electromagnetic field to be highly concentrated within the organic active layers, leading to a polarization-independent, broadband absorption enhancement in the visible and near-infrared portion of the solar spectrum. Calculations show that an optimized double plasmonic structure can enhance the total photon absorption by >125% for molecular OPVs based on a double heterojunction of an electron donor/hole transporter and an electron acceptor/transporter.

Figures in this Article
© 2011 Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation

Wenli Bai ; Qiaoqiang Gan ; Guofeng Song ; Lianghui Chen ; Zakya Kafafi, et al.
"Double plasmonic structure design for broadband absorption enhancement in molecular organic solar cells", J. Photon. Energy. 1(1), 011121 (May 04, 2011). ; http://dx.doi.org/10.1117/1.3585876


Tables

Access This Article
Sign in or Create a personal account to Buy this article ($20 for members, $25 for non-members).

Some tools below are only available to our subscribers or users with an online account.

Related Content

Customize your page view by dragging & repositioning the boxes below.

Related Book Chapters

Topic Collections

Advertisement
  • Don't have an account?
  • Subscribe to the SPIE Digital Library
  • Create a FREE account to sign up for Digital Library content alerts and gain access to institutional subscriptions remotely.
Access This Article
Sign in or Create a personal account to Buy this article ($20 for members, $25 for non-members).
Access This Proceeding
Sign in or Create a personal account to Buy this article ($15 for members, $18 for non-members).
Access This Chapter

Access to SPIE eBooks is limited to subscribing institutions and is not available as part of a personal subscription. Print or electronic versions of individual SPIE books may be purchased via SPIE.org.