Influence of organic active layer morphology on plasmonic light-trapping

Deirdre M. O'Carroll; Christopher E. Petoukhoff

doi:10.1109/PVSC.2016.7749777

Influence of organic active layer morphology on plasmonic light-trapping

Deirdre M. O'Carroll, Christopher E. Petoukhoff

Rutgers University

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

2 Citations (Scopus)

Abstract

Here, we show that the morphology of organic bulk-heterojuction (BJH) thin films strongly influences whether plasmonic modes supported by an electrode are absorbed or outcoupled (leaked) from the organic thin films. Using optical dark-field scattering, full-field electromagnetic modelling and grazing-incidence, wide-angle X-ray scattering, we find that more crystalline organic active layers, such as P3HT:PCBM trap surface plasmons while more amorphous organic thin films such as PTB7:PC₇₀BM and PCDTBT:PC₇₀BM facilitate leakage of surface plasmon polaritons. This is an important finding because it indicates that plasmonic light trapping can be improved in thin-film organic active layers using more crystalline active layers.

Original language	English
Title of host publication	2016 IEEE 43rd Photovoltaic Specialists Conference, PVSC 2016
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	1072-1074
Number of pages	3
Volume	2016-November
ISBN (Electronic)	9781509027248
DOIs	https://doi.org/10.1109/PVSC.2016.7749777
Publication status	Published - Nov 18 2016
Event	43rd IEEE Photovoltaic Specialists Conference, PVSC 2016 - Portland, United States Duration: Jun 5 2016 → Jun 10 2016

Other

Other	43rd IEEE Photovoltaic Specialists Conference, PVSC 2016
Country	United States
City	Portland
Period	6/5/16 → 6/10/16

ASJC Scopus subject areas

Control and Systems Engineering
Industrial and Manufacturing Engineering
Electrical and Electronic Engineering

Access to Document

10.1109/PVSC.2016.7749777

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Cite this

Influence of organic active layer morphology on plasmonic light-trapping. / O'Carroll, Deirdre M.; Petoukhoff, Christopher E.

2016 IEEE 43rd Photovoltaic Specialists Conference, PVSC 2016. Vol. 2016-November Institute of Electrical and Electronics Engineers Inc., 2016. p. 1072-1074 7749777.

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

O'Carroll, DM & Petoukhoff, CE 2016, Influence of organic active layer morphology on plasmonic light-trapping. in 2016 IEEE 43rd Photovoltaic Specialists Conference, PVSC 2016. vol. 2016-November, 7749777, Institute of Electrical and Electronics Engineers Inc., pp. 1072-1074, 43rd IEEE Photovoltaic Specialists Conference, PVSC 2016, Portland, United States, 6/5/16. https://doi.org/10.1109/PVSC.2016.7749777

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abstract = "Here, we show that the morphology of organic bulk-heterojuction (BJH) thin films strongly influences whether plasmonic modes supported by an electrode are absorbed or outcoupled (leaked) from the organic thin films. Using optical dark-field scattering, full-field electromagnetic modelling and grazing-incidence, wide-angle X-ray scattering, we find that more crystalline organic active layers, such as P3HT:PCBM trap surface plasmons while more amorphous organic thin films such as PTB7:PC70BM and PCDTBT:PC70BM facilitate leakage of surface plasmon polaritons. This is an important finding because it indicates that plasmonic light trapping can be improved in thin-film organic active layers using more crystalline active layers.",

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