Plasmonic Periodic Nanodot Arrays via Laser Interference Lithography for Organic Photovoltaic Cells with >10% Efficiency

Yulin Oh, Ju Won Lim, Jae Geun Kim, Huan Wang, Byung Hyun Kang, Young Wook Park, Heejun Kim, Yu Jin Jang, Jihyeon Kim, Dong Ha Kim, Byeong Kwon Ju

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

In this study, we demonstrate a viable and promising optical engineering technique enabling the development of high-performance plasmonic organic photovoltaic devices. Laser interference lithography was explored to fabricate metal nanodot (MND) arrays with elaborately controlled dot size as well as periodicity, allowing spectral overlap between the absorption range of the active layers and the surface plasmon band of MND arrays. MND arrays with ∼91 nm dot size and ∼202 nm periodicity embedded in a poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) hole transport layer remarkably enhanced the average power conversion efficiency (PCE) from 7.52% up to 10.11%, representing one of the highest PCE and degree of enhancement (∼34.4%) levels compared to the pristine device among plasmonic organic photovoltaics reported to date. The plasmonic enhancement mechanism was investigated by both optical and electrical analyses using finite difference time domain simulation and conductive atomic force microscopy studies.

Original languageEnglish
Pages (from-to)10143-10151
Number of pages9
JournalACS Nano
Volume10
Issue number11
DOIs
Publication statusPublished - 2016 Nov 22
Externally publishedYes

Fingerprint

laser arrays
Photovoltaic cells
photovoltaic cells
Lithography
lithography
Metals
interference
Conversion efficiency
Lasers
periodic variations
metals
Optical engineering
augmentation
Atomic force microscopy
atomic force microscopy
engineering
lasers
simulation

Keywords

  • laser interference lithography
  • metal nanodot array
  • organic photovoltaics
  • surface plasmon

ASJC Scopus subject areas

  • Materials Science(all)
  • Engineering(all)
  • Physics and Astronomy(all)

Cite this

Plasmonic Periodic Nanodot Arrays via Laser Interference Lithography for Organic Photovoltaic Cells with >10% Efficiency. / Oh, Yulin; Lim, Ju Won; Kim, Jae Geun; Wang, Huan; Kang, Byung Hyun; Park, Young Wook; Kim, Heejun; Jang, Yu Jin; Kim, Jihyeon; Kim, Dong Ha; Ju, Byeong Kwon.

In: ACS Nano, Vol. 10, No. 11, 22.11.2016, p. 10143-10151.

Research output: Contribution to journalArticle

Oh, Y, Lim, JW, Kim, JG, Wang, H, Kang, BH, Park, YW, Kim, H, Jang, YJ, Kim, J, Kim, DH & Ju, BK 2016, 'Plasmonic Periodic Nanodot Arrays via Laser Interference Lithography for Organic Photovoltaic Cells with >10% Efficiency', ACS Nano, vol. 10, no. 11, pp. 10143-10151. https://doi.org/10.1021/acsnano.6b05313
Oh, Yulin ; Lim, Ju Won ; Kim, Jae Geun ; Wang, Huan ; Kang, Byung Hyun ; Park, Young Wook ; Kim, Heejun ; Jang, Yu Jin ; Kim, Jihyeon ; Kim, Dong Ha ; Ju, Byeong Kwon. / Plasmonic Periodic Nanodot Arrays via Laser Interference Lithography for Organic Photovoltaic Cells with >10% Efficiency. In: ACS Nano. 2016 ; Vol. 10, No. 11. pp. 10143-10151.
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