Harvesting near- and far-field plasmonic enhancements from large size gold nanoparticles for improved performance in organic bulk heterojunction solar cells

Jongmoon Shin, Myungkwan Song, Hassan Hafeez, P. Justin Jeusraj, Dong Hyun Kim, Jong Chan Lee, Won Ho Lee, Dae Keun Choi, Chul Hoon Kim, Tae Sung Bae, Seung Min Yu, Kyoung Ho Kim, Hong Kyu Park, Kwun Bum Chung, Aeran Song, Yong Cheol Kang, Juuyn Park, Chang Su Kim, Seung Yoon Ryu

Research output: Contribution to journalArticle

Abstract

The high stability and strong coupling nature of gold nanoparticles (Au-NPs) than other metal counter parts have attracted the solar cell industry to pursue enhanced performances. Herein, we report on the improved performance of polymer bulk hetero-junction (BHJ) solar cells by the incorporation of large-size Au-NPs in the hole transport layer of poly(3,4-ethylenedioxythiophene):poly(styrene sulfonate) (PEDOT:PSS). To examine the reproducibility of the enhancement parameters, two different donor photoactive materials have been adapted and the role of larger-size (>70 nm, i.e. 71, 80, 87, 103 nm) Au-NPs in BHJ solar cells have been studied extensively. Significantly, when employing Au-NPs smaller than 80 nm, near-field coupling (localized surface plasmon resonance; LSPR) was prevalent, while the infusion of Au-NPs with sizes greater than 87 nm resulted in far-field scattering enhancement as the dominant effect, which was clearly determined using time resolved photo luminescence studies. The superior power conversion efficiency of 5.35% and 8.58% was achieved with PBDTTT-C: PC61BM and PTB7: PC71BM BHJs respectively, by employing 87 nm Au-NPs due to the balanced contribution of near- and far-field plasmonic effects, improved vertical coverage and better interfacial properties. This study illustrates that 87 nm Au-NPs is the maximum size to attain the improved efficiency, above which the rate of enhancement reduces dramatically.

Original languageEnglish
Pages (from-to)94-101
Number of pages8
JournalOrganic Electronics: physics, materials, applications
Volume66
DOIs
Publication statusPublished - 2019 Mar 1

Fingerprint

Gold
far fields
Heterojunctions
heterojunctions
near fields
Solar cells
solar cells
gold
Nanoparticles
nanoparticles
augmentation
Styrene
donor materials
Surface plasmon resonance
Conversion efficiency
Photoluminescence
Polymers
sulfonates
Metals
surface plasmon resonance

Keywords

  • Bulk heterojunction
  • Far-field scattering
  • Gold nanoparticles
  • Near-field plasmon resonance
  • Organic solar cells
  • Time resolved photoluminescence

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Biomaterials
  • Chemistry(all)
  • Condensed Matter Physics
  • Materials Chemistry
  • Electrical and Electronic Engineering

Cite this

Harvesting near- and far-field plasmonic enhancements from large size gold nanoparticles for improved performance in organic bulk heterojunction solar cells. / Shin, Jongmoon; Song, Myungkwan; Hafeez, Hassan; Jeusraj, P. Justin; Kim, Dong Hyun; Lee, Jong Chan; Lee, Won Ho; Choi, Dae Keun; Kim, Chul Hoon; Bae, Tae Sung; Yu, Seung Min; Kim, Kyoung Ho; Park, Hong Kyu; Chung, Kwun Bum; Song, Aeran; Kang, Yong Cheol; Park, Juuyn; Kim, Chang Su; Ryu, Seung Yoon.

In: Organic Electronics: physics, materials, applications, Vol. 66, 01.03.2019, p. 94-101.

Research output: Contribution to journalArticle

Shin, J, Song, M, Hafeez, H, Jeusraj, PJ, Kim, DH, Lee, JC, Lee, WH, Choi, DK, Kim, CH, Bae, TS, Yu, SM, Kim, KH, Park, HK, Chung, KB, Song, A, Kang, YC, Park, J, Kim, CS & Ryu, SY 2019, 'Harvesting near- and far-field plasmonic enhancements from large size gold nanoparticles for improved performance in organic bulk heterojunction solar cells', Organic Electronics: physics, materials, applications, vol. 66, pp. 94-101. https://doi.org/10.1016/j.orgel.2018.12.024
Shin, Jongmoon ; Song, Myungkwan ; Hafeez, Hassan ; Jeusraj, P. Justin ; Kim, Dong Hyun ; Lee, Jong Chan ; Lee, Won Ho ; Choi, Dae Keun ; Kim, Chul Hoon ; Bae, Tae Sung ; Yu, Seung Min ; Kim, Kyoung Ho ; Park, Hong Kyu ; Chung, Kwun Bum ; Song, Aeran ; Kang, Yong Cheol ; Park, Juuyn ; Kim, Chang Su ; Ryu, Seung Yoon. / Harvesting near- and far-field plasmonic enhancements from large size gold nanoparticles for improved performance in organic bulk heterojunction solar cells. In: Organic Electronics: physics, materials, applications. 2019 ; Vol. 66. pp. 94-101.
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AU - Shin, Jongmoon

AU - Song, Myungkwan

AU - Hafeez, Hassan

AU - Jeusraj, P. Justin

AU - Kim, Dong Hyun

AU - Lee, Jong Chan

AU - Lee, Won Ho

AU - Choi, Dae Keun

AU - Kim, Chul Hoon

AU - Bae, Tae Sung

AU - Yu, Seung Min

AU - Kim, Kyoung Ho

AU - Park, Hong Kyu

AU - Chung, Kwun Bum

AU - Song, Aeran

AU - Kang, Yong Cheol

AU - Park, Juuyn

AU - Kim, Chang Su

AU - Ryu, Seung Yoon

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N2 - The high stability and strong coupling nature of gold nanoparticles (Au-NPs) than other metal counter parts have attracted the solar cell industry to pursue enhanced performances. Herein, we report on the improved performance of polymer bulk hetero-junction (BHJ) solar cells by the incorporation of large-size Au-NPs in the hole transport layer of poly(3,4-ethylenedioxythiophene):poly(styrene sulfonate) (PEDOT:PSS). To examine the reproducibility of the enhancement parameters, two different donor photoactive materials have been adapted and the role of larger-size (>70 nm, i.e. 71, 80, 87, 103 nm) Au-NPs in BHJ solar cells have been studied extensively. Significantly, when employing Au-NPs smaller than 80 nm, near-field coupling (localized surface plasmon resonance; LSPR) was prevalent, while the infusion of Au-NPs with sizes greater than 87 nm resulted in far-field scattering enhancement as the dominant effect, which was clearly determined using time resolved photo luminescence studies. The superior power conversion efficiency of 5.35% and 8.58% was achieved with PBDTTT-C: PC61BM and PTB7: PC71BM BHJs respectively, by employing 87 nm Au-NPs due to the balanced contribution of near- and far-field plasmonic effects, improved vertical coverage and better interfacial properties. This study illustrates that 87 nm Au-NPs is the maximum size to attain the improved efficiency, above which the rate of enhancement reduces dramatically.

AB - The high stability and strong coupling nature of gold nanoparticles (Au-NPs) than other metal counter parts have attracted the solar cell industry to pursue enhanced performances. Herein, we report on the improved performance of polymer bulk hetero-junction (BHJ) solar cells by the incorporation of large-size Au-NPs in the hole transport layer of poly(3,4-ethylenedioxythiophene):poly(styrene sulfonate) (PEDOT:PSS). To examine the reproducibility of the enhancement parameters, two different donor photoactive materials have been adapted and the role of larger-size (>70 nm, i.e. 71, 80, 87, 103 nm) Au-NPs in BHJ solar cells have been studied extensively. Significantly, when employing Au-NPs smaller than 80 nm, near-field coupling (localized surface plasmon resonance; LSPR) was prevalent, while the infusion of Au-NPs with sizes greater than 87 nm resulted in far-field scattering enhancement as the dominant effect, which was clearly determined using time resolved photo luminescence studies. The superior power conversion efficiency of 5.35% and 8.58% was achieved with PBDTTT-C: PC61BM and PTB7: PC71BM BHJs respectively, by employing 87 nm Au-NPs due to the balanced contribution of near- and far-field plasmonic effects, improved vertical coverage and better interfacial properties. This study illustrates that 87 nm Au-NPs is the maximum size to attain the improved efficiency, above which the rate of enhancement reduces dramatically.

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KW - Time resolved photoluminescence

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