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Environmental Sciences Proceedings
Volume 26
Issue 1
10.3390/environsciproc2023026063
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Proceeding Paper

Conductivity Transport Mechanisms of Solution-Processed Spinel Nickel Cobaltite-Based Hole Transporting Layers and Its Implementation as Charge Selective Contact in Organic Photovoltaics †

by
Apostolos Ioakeimidis
1,
Aristeidis Kottaras
2,
Dimitrios Karageorgopoulos
2,
Efstathia Christia
3,
Sotirios Sakkopoulos
2,
Evangelos Vitoratos
2,
Stelios A. Choulis
1 and
Ioannis T. Papadas
3,*
1
Molecular Electronics and Photonics Research Unit, Department of Mechanical Engineering and Materials Science and Engineering, Cyprus University of Technology, 45 Kitiou Kyprianou Str., Limassol 3041, Cyprus
2
Department of Physics, University of Patras, 26504 Patras, Greece
3
Department of Public and Community Health, School of Public Health, University of West Attica, 11521 Athens, Greece
*
Author to whom correspondence should be addressed.
†
Presented at the 16th International Conference on Meteorology, Climatology and Atmospheric Physics—COMECAP 2023, Athens, Greece, 25–29 September 2023.
Environ. Sci. Proc. 2023, 26(1), 63; https://doi.org/10.3390/environsciproc2023026063
Published: 25 August 2023
(This article belongs to the Proceedings of 16th International Conference on Meteorology, Climatology and Atmospheric Physics—COMECAP 2023)
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Abstract

The electrical properties of solution-processed spinel nickel cobaltite (NiCo2O4) nanoparticulated-based metal oxide hole transporting layers are investigated using conductivity and Hall effect measurements. The mechanism of electrical conductivity of NiCo2O4-based electronic films as a function of temperature indicates hopping-type carrier transport. We show that NiCo2O4 hole transporting layers (HTLs) have suitable conductivity, low toxicity, and relatively low processing temperature, parameters that are important for electronic materials specifications of high performance and environmentally friendly emerging photovoltaics. As a proof of concept, NiCo2O4 and Cu-SCN surface-modified NiCo2O4 are incorporated as HTLs for non-fullerene acceptor Organic Photovoltaics (OPVs), and the photovoltaic performance results of the corresponding OPVs are presented.
Keywords: metal oxides; NiCo2O4; combustion synthesis; conductivity; transport mechanisms; hall effect measurements; electrodes; organic photovoltaics metal oxides; NiCo2O4; combustion synthesis; conductivity; transport mechanisms; hall effect measurements; electrodes; organic photovoltaics

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MDPI and ACS Style

Ioakeimidis, A.; Kottaras, A.; Karageorgopoulos, D.; Christia, E.; Sakkopoulos, S.; Vitoratos, E.; Choulis, S.A.; Papadas, I.T. Conductivity Transport Mechanisms of Solution-Processed Spinel Nickel Cobaltite-Based Hole Transporting Layers and Its Implementation as Charge Selective Contact in Organic Photovoltaics. Environ. Sci. Proc. 2023, 26, 63. https://doi.org/10.3390/environsciproc2023026063

AMA Style

Ioakeimidis A, Kottaras A, Karageorgopoulos D, Christia E, Sakkopoulos S, Vitoratos E, Choulis SA, Papadas IT. Conductivity Transport Mechanisms of Solution-Processed Spinel Nickel Cobaltite-Based Hole Transporting Layers and Its Implementation as Charge Selective Contact in Organic Photovoltaics. Environmental Sciences Proceedings. 2023; 26(1):63. https://doi.org/10.3390/environsciproc2023026063

Chicago/Turabian Style

Ioakeimidis, Apostolos, Aristeidis Kottaras, Dimitrios Karageorgopoulos, Efstathia Christia, Sotirios Sakkopoulos, Evangelos Vitoratos, Stelios A. Choulis, and Ioannis T. Papadas. 2023. "Conductivity Transport Mechanisms of Solution-Processed Spinel Nickel Cobaltite-Based Hole Transporting Layers and Its Implementation as Charge Selective Contact in Organic Photovoltaics" Environmental Sciences Proceedings 26, no. 1: 63. https://doi.org/10.3390/environsciproc2023026063

APA Style

Ioakeimidis, A., Kottaras, A., Karageorgopoulos, D., Christia, E., Sakkopoulos, S., Vitoratos, E., Choulis, S. A., & Papadas, I. T. (2023). Conductivity Transport Mechanisms of Solution-Processed Spinel Nickel Cobaltite-Based Hole Transporting Layers and Its Implementation as Charge Selective Contact in Organic Photovoltaics. Environmental Sciences Proceedings, 26(1), 63. https://doi.org/10.3390/environsciproc2023026063

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