Fabrication and optimization of vacuum free hybrid solar cells prepared using composites of zinc oxide nanoparticles and narrow band gap polymer composite

In this paper, zinc oxide (ZnO) nanorods (Nrods)-polymer based bulk hetero-junction solar cells were fabricated employing an eutectic gallium-indium (EGaIn) alloy negative electrode coated using a brush-painting method. Devices were fabricated using the structure; indium tin oxide (ITO)/poly(ethylen...

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Bibliographic Details
Published in:Japanese Journal of Applied Physics 2018-08, Vol.57 (8S3), p.8
Main Authors: Truong, Nguyen Tam Nguyen, Phuc, Le Tran Huu, Park, Chinho, Jung, Jae Hak
Format: Article
Language:English
Subjects:
Aluminum
Cathodes
Coated electrodes
Electron transport
Energy conversion efficiency
Eutectic alloys
Gallium
Indium tin oxides
Nanoparticles
Nanorods
Performance enhancement
Photovoltaic cells
Polymer matrix composites
Polymers
Polystyrene resins
Protective coatings
Solar cells
Sulfonic acid
Zinc oxide
Zinc oxides
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Summary:In this paper, zinc oxide (ZnO) nanorods (Nrods)-polymer based bulk hetero-junction solar cells were fabricated employing an eutectic gallium-indium (EGaIn) alloy negative electrode coated using a brush-painting method. Devices were fabricated using the structure; indium tin oxide (ITO)/poly(ethylenedioxythiophene) doped with poly(styrene sulfonic acid) (PEDOT:PSS)/ZnO-Nrods+polymer/electron transport layer (ETL)/EGaIn. The overall device was operated under environmental conditions and compared with a device fabricated using thermally evaporated-aluminum as a negative electrode. Adding the ZnO (ETL) between the active layer (ZnO-Nrods+polymer) and the cathodes (Al or EGaIn) improved the performances of the investigated devices. Power conversion efficiencies of devices with different cathode electrodes (Al or EGaIn) were comparable.
ISSN:0021-4922
1347-4065
DOI:10.7567/JJAP.57.08RC04