Influence of organic active layer morphology on plasmonic light-trapping

Deirdre M. O'Carroll; Christopher E. Petoukhoff

doi:10.1109/PVSC.2017.8366198

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

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:PC ₇₀ BM and PCDTBT:PC ₇₀ BM 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	2017 IEEE 44th Photovoltaic Specialist Conference, PVSC 2017
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	1-3
Number of pages	3
ISBN (Electronic)	9781509056057
DOIs	https://doi.org/10.1109/PVSC.2017.8366198
Publication status	Published - 2017
Event	44th IEEE Photovoltaic Specialist Conference, PVSC 2017 - Washington, United States Duration: Jun 25 2017 → Jun 30 2017

Publication series

Name	2017 IEEE 44th Photovoltaic Specialist Conference, PVSC 2017

Other

Other	44th IEEE Photovoltaic Specialist Conference, PVSC 2017
Country	United States
City	Washington
Period	6/25/17 → 6/30/17

ASJC Scopus subject areas

Renewable Energy, Sustainability and the Environment
Electrical and Electronic Engineering
Electronic, Optical and Magnetic Materials

Access to Document

10.1109/PVSC.2017.8366198

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

2017 IEEE 44th Photovoltaic Specialist Conference, PVSC 2017. Institute of Electrical and Electronics Engineers Inc., 2017. p. 1-3 (2017 IEEE 44th Photovoltaic Specialist Conference, PVSC 2017).

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

O'Carroll, DM & Petoukhoff, CE 2017, Influence of organic active layer morphology on plasmonic light-trapping. in 2017 IEEE 44th Photovoltaic Specialist Conference, PVSC 2017. 2017 IEEE 44th Photovoltaic Specialist Conference, PVSC 2017, Institute of Electrical and Electronics Engineers Inc., pp. 1-3, 44th IEEE Photovoltaic Specialist Conference, PVSC 2017, Washington, United States, 6/25/17. https://doi.org/10.1109/PVSC.2017.8366198

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title = "Influence of organic active layer morphology on plasmonic light-trapping",

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:PC 70 BM and PCDTBT:PC 70 BM 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. ",

author = "O'Carroll, {Deirdre M.} and Petoukhoff, {Christopher E.}",

note = "Funding Information: This work was supported through funding provided National Science Foundation (NSF) Grant DMR-1309459.; 44th IEEE Photovoltaic Specialist Conference, PVSC 2017 ; Conference date: 25-06-2017 Through 30-06-2017",

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