Performance Optimization of Parallel-Like Ternary Organic Solar Cells through Simultaneous Improvement in Charge Generation and Transport

Wisnu Tantyo Hadmojo, Febrian Tri Adhi Wibowo, Wooseop Lee, Hye Kyung Jang, Yeongsik Kim, Septy Sinaga, Minsuk Park, Sang Yong Ju, Du Yeol Ryu, In Hwan Jung, Sung Yeon Jang

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Ternary organic photovoltaic (OPV) devices with multiple light-absorbing active materials have emerged as an efficient strategy for realizing further improvements in the power conversion efficiency (PCE) without building complex multijunction structures. However, the third component often acts as recombination centers and, hence, the optimization of ternary blend morphology poses a major challenge to improving the PCE of these devices. In this work, the performance of OPVs is enhanced through the morphological modification of nonfullerene acceptor (NFA)-containing binary active layers. This modification is achieved by incorporating fullerenes into the layers. The uniformly dispersed fullerenes are sufficiently continuous and successfully mediate the ordering of NFA without charge or energy transfer. Owing to the simultaneous improvement in the charge generation and extraction, the PCE (12.1%) of these parallel-linked ternary devices is considerably higher than those of the corresponding binary devices (9.95% and 7.78%). Moreover, the additional energy loss of the ternary device is minimized, compared with that of the NFA-based binary device, due to the judicious control of the effective donor:acceptor composition of the ternary blends.

Original languageEnglish
Article number1808731
JournalAdvanced Functional Materials
Volume29
Issue number14
DOIs
Publication statusPublished - 2019 Apr 4

Fingerprint

Conversion efficiency
Fullerenes
solar cells
optimization
Energy transfer
fullerenes
Charge transfer
Energy dissipation
Chemical analysis
Organic solar cells
energy dissipation
energy transfer
charge transfer

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics

Cite this

Hadmojo, Wisnu Tantyo ; Wibowo, Febrian Tri Adhi ; Lee, Wooseop ; Jang, Hye Kyung ; Kim, Yeongsik ; Sinaga, Septy ; Park, Minsuk ; Ju, Sang Yong ; Ryu, Du Yeol ; Jung, In Hwan ; Jang, Sung Yeon. / Performance Optimization of Parallel-Like Ternary Organic Solar Cells through Simultaneous Improvement in Charge Generation and Transport. In: Advanced Functional Materials. 2019 ; Vol. 29, No. 14.
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Performance Optimization of Parallel-Like Ternary Organic Solar Cells through Simultaneous Improvement in Charge Generation and Transport. / Hadmojo, Wisnu Tantyo; Wibowo, Febrian Tri Adhi; Lee, Wooseop; Jang, Hye Kyung; Kim, Yeongsik; Sinaga, Septy; Park, Minsuk; Ju, Sang Yong; Ryu, Du Yeol; Jung, In Hwan; Jang, Sung Yeon.

In: Advanced Functional Materials, Vol. 29, No. 14, 1808731, 04.04.2019.

Research output: Contribution to journalArticle

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AU - Jang, Hye Kyung

AU - Kim, Yeongsik

AU - Sinaga, Septy

AU - Park, Minsuk

AU - Ju, Sang Yong

AU - Ryu, Du Yeol

AU - Jung, In Hwan

AU - Jang, Sung Yeon

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