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Benzothiadiazole Based Cascade Material to Boost the Performance of Inverted Ternary Organic Solar Cells

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  • Miron Krassas

    (Department of Electrical & Computer Engineering, Hellenic Mediterranean University, 71410 Heraklion, Crete, Greece
    Department of Materials Science and Technology, University of Crete, 71003 Heraklion, Crete, Greece
    These authors contributed equally to this work.)

  • Christos Polyzoidis

    (Department of Electrical & Computer Engineering, Hellenic Mediterranean University, 71410 Heraklion, Crete, Greece
    These authors contributed equally to this work.)

  • Pavlos Tzourmpakis

    (Department of Electrical & Computer Engineering, Hellenic Mediterranean University, 71410 Heraklion, Crete, Greece)

  • Dimitriοs M. Kosmidis

    (Department of Electrical & Computer Engineering, Hellenic Mediterranean University, 71410 Heraklion, Crete, Greece)

  • George Viskadouros

    (Department of Electrical & Computer Engineering, Hellenic Mediterranean University, 71410 Heraklion, Crete, Greece
    Department of Mineral Resources Engineering, Technical University of Crete, 73100 Chania, Crete, Greece)

  • Nikolaos Kornilios

    (Department of Electrical & Computer Engineering, Hellenic Mediterranean University, 71410 Heraklion, Crete, Greece)

  • George Charalambidis

    (Laboratory of Bioinorganic Chemistry, Chemistry Department, University of Crete, Voutes Campus, 71003 Heraklion, Crete, Greece)

  • Vasilis Nikolaou

    (Laboratory of Bioinorganic Chemistry, Chemistry Department, University of Crete, Voutes Campus, 71003 Heraklion, Crete, Greece)

  • Athanassios G. Coutsolelos

    (Laboratory of Bioinorganic Chemistry, Chemistry Department, University of Crete, Voutes Campus, 71003 Heraklion, Crete, Greece)

  • Konstantinos Petridis

    (Department of Electronic Engineering, Hellenic Mediterranean University, 73132 Chania, Crete, Greece)

  • Minas M. Stylianakis

    (Department of Electrical & Computer Engineering, Hellenic Mediterranean University, 71410 Heraklion, Crete, Greece)

  • Emmanuel Kymakis

    (Department of Electrical & Computer Engineering, Hellenic Mediterranean University, 71410 Heraklion, Crete, Greece)

Abstract

A conjugated, ladder-type multi-fused ring 4,7-dithienbenzothiadiazole:thiophene derivative, named as compound ‘T’, was for the first time incorporated, within the PTB7:PC 71 BM photoactive layer for inverted ternary organic solar cells (TOSCs) realization. The effective energy level offset caused by compound T between the polymeric donor and fullerene acceptor materials, as well as its resulting potential as electron cascade material contribute to an enhanced exciton dissociation, electron transfer facilitator and thus improved overall photovoltaic performance. The engineering optimization of the inverted TOSC, ITO/PFN/PTB7:Compound T(5% v/v):PC 71 BM/MoO 3 /Al, resulted in an overall power conversion efficiency (PCE) of 8.34%, with a short-circuit current density ( J sc ) of 16.75 mA cm −2 , open-circuit voltage ( V oc ) of 0.74 V and a fill factor (FF) of 68.1%, under AM1.5G illumination. This photovoltaic performance was improved by approximately 12% with respect to the control binary device.

Suggested Citation

  • Miron Krassas & Christos Polyzoidis & Pavlos Tzourmpakis & Dimitriοs M. Kosmidis & George Viskadouros & Nikolaos Kornilios & George Charalambidis & Vasilis Nikolaou & Athanassios G. Coutsolelos & Kons, 2020. "Benzothiadiazole Based Cascade Material to Boost the Performance of Inverted Ternary Organic Solar Cells," Energies, MDPI, vol. 13(2), pages 1-12, January.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:2:p:450-:d:309787
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    References listed on IDEAS

    as
    1. Luyao Lu & Wei Chen & Tao Xu & Luping Yu, 2015. "High-performance ternary blend polymer solar cells involving both energy transfer and hole relay processes," Nature Communications, Nature, vol. 6(1), pages 1-7, November.
    2. Yong Cui & Huifeng Yao & Jianqi Zhang & Tao Zhang & Yuming Wang & Ling Hong & Kaihu Xian & Bowei Xu & Shaoqing Zhang & Jing Peng & Zhixiang Wei & Feng Gao & Jianhui Hou, 2019. "Over 16% efficiency organic photovoltaic cells enabled by a chlorinated acceptor with increased open-circuit voltages," Nature Communications, Nature, vol. 10(1), pages 1-8, December.
    3. Katerina Anagnostou & Minas M. Stylianakis & Konstantinos Petridis & Emmanuel Kymakis, 2019. "Building an Organic Solar Cell: Fundamental Procedures for Device Fabrication," Energies, MDPI, vol. 12(11), pages 1-23, June.
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    Cited by:

    1. Xinlei Wu & Yuanpeng Zhang & Kaihang Shi & Xiaoling Ma & Fujun Zhang, 2023. "Advanced Progress of Organic Photovoltaics," Energies, MDPI, vol. 16(3), pages 1-3, January.
    2. Qiuju Liang & Haodong Lu & Yinxia Chang & Zemin He & Yuzhen Zhao & Jiangang Liu, 2022. "Morphology Control in Organic Solar Cells," Energies, MDPI, vol. 15(15), pages 1-3, July.

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