Light trapping of organic solar cells by nanotextured surfaces

Shigeru Kubota; Kensaku Kanomata; Bashir Ahmmad; Jun Mizuno; Fumihiko Hirose

doi:10.1109/ICEP-IAAC.2015.7111050

Light trapping of organic solar cells by nanotextured surfaces

Shigeru Kubota, Kensaku Kanomata, Bashir Ahmmad, Jun Mizuno, Fumihiko Hirose

Research Organization for Nano & Life Innovation

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

This work proposes hybrid antireflection (AR) structure that integrates moth eye texturing and multi-layer interference coating for application to organic solar cells (OSCs). We conduct nearly global optimization of the geometric parameters (i.e., the period and height of moth eye array and the thicknesses of interference layers) for the hybrid AR system. In the optimization algorithm, the simple grid search method is combined with the Hooke and Jeeves pattern search method to accelerate the search process. By using optical simulations based on the finite-difference time-domain method, we show that the proposed AR system can enhance the short-circuit current density of P3HT:PCBM-based OSCs by around 10%. The design concept of hybrid AR structure is useful for broadband light trapping of OSCs.

Original language	English
Title of host publication	ICEP-IAAC 2015 - 2015 International Conference on Electronic Packaging and iMAPS All Asia Conference
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	428-431
Number of pages	4
ISBN (Print)	9784904090138
DOIs	https://doi.org/10.1109/ICEP-IAAC.2015.7111050
Publication status	Published - 2015 May 20
Event	2015 International Conference on Electronic Packaging and iMAPS All Asia Conference, ICEP-IAAC 2015 - Kyoto, Japan Duration: 2015 Apr 14 → 2015 Apr 17

Other

Other	2015 International Conference on Electronic Packaging and iMAPS All Asia Conference, ICEP-IAAC 2015
Country/Territory	Japan
City	Kyoto
Period	15/4/14 → 15/4/17

Keywords

antireflection
FDTD
optical simulation
optimization
organic solar cell

ASJC Scopus subject areas

Electrical and Electronic Engineering

Access to Document

10.1109/ICEP-IAAC.2015.7111050

Cite this

Light trapping of organic solar cells by nanotextured surfaces. / Kubota, Shigeru; Kanomata, Kensaku; Ahmmad, Bashir et al.

ICEP-IAAC 2015 - 2015 International Conference on Electronic Packaging and iMAPS All Asia Conference. Institute of Electrical and Electronics Engineers Inc., 2015. p. 428-431 7111050.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Kubota, S, Kanomata, K, Ahmmad, B, Mizuno, J & Hirose, F 2015, Light trapping of organic solar cells by nanotextured surfaces. in ICEP-IAAC 2015 - 2015 International Conference on Electronic Packaging and iMAPS All Asia Conference., 7111050, Institute of Electrical and Electronics Engineers Inc., pp. 428-431, 2015 International Conference on Electronic Packaging and iMAPS All Asia Conference, ICEP-IAAC 2015, Kyoto, Japan, 15/4/14. https://doi.org/10.1109/ICEP-IAAC.2015.7111050

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abstract = "This work proposes hybrid antireflection (AR) structure that integrates moth eye texturing and multi-layer interference coating for application to organic solar cells (OSCs). We conduct nearly global optimization of the geometric parameters (i.e., the period and height of moth eye array and the thicknesses of interference layers) for the hybrid AR system. In the optimization algorithm, the simple grid search method is combined with the Hooke and Jeeves pattern search method to accelerate the search process. By using optical simulations based on the finite-difference time-domain method, we show that the proposed AR system can enhance the short-circuit current density of P3HT:PCBM-based OSCs by around 10%. The design concept of hybrid AR structure is useful for broadband light trapping of OSCs.",

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N2 - This work proposes hybrid antireflection (AR) structure that integrates moth eye texturing and multi-layer interference coating for application to organic solar cells (OSCs). We conduct nearly global optimization of the geometric parameters (i.e., the period and height of moth eye array and the thicknesses of interference layers) for the hybrid AR system. In the optimization algorithm, the simple grid search method is combined with the Hooke and Jeeves pattern search method to accelerate the search process. By using optical simulations based on the finite-difference time-domain method, we show that the proposed AR system can enhance the short-circuit current density of P3HT:PCBM-based OSCs by around 10%. The design concept of hybrid AR structure is useful for broadband light trapping of OSCs.

AB - This work proposes hybrid antireflection (AR) structure that integrates moth eye texturing and multi-layer interference coating for application to organic solar cells (OSCs). We conduct nearly global optimization of the geometric parameters (i.e., the period and height of moth eye array and the thicknesses of interference layers) for the hybrid AR system. In the optimization algorithm, the simple grid search method is combined with the Hooke and Jeeves pattern search method to accelerate the search process. By using optical simulations based on the finite-difference time-domain method, we show that the proposed AR system can enhance the short-circuit current density of P3HT:PCBM-based OSCs by around 10%. The design concept of hybrid AR structure is useful for broadband light trapping of OSCs.

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Light trapping of organic solar cells by nanotextured surfaces

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Keywords

ASJC Scopus subject areas

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