Self-doped conducting polyaniline bearing phosphonic acid as a hole transport layer in organic photovoltaics

A self-doped conducting polyaniline was used as a hole transport layer (HTL) in organic photovoltaics (OPVs) [indium tin oxide/HTL/zinc-phthalocyanine/C 70 /bathocuproine/Al]. This polyaniline was characterized by phosphonic acid neutralized with pyridine (PMAP:Py). The current–voltage characteristi...

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Bibliographic Details
Published in:Japanese Journal of Applied Physics 2024-09, Vol.63 (9), p.90902
Main Authors: Inada, Yuhi, Kuroda, Ryota, Kiriyama, Kahori, Daijo, Masato, Amaya, Toru, Yamao, Takeshi, Hirao, Toshikazu
Format: Article
Language:English
Subjects:
Current voltage characteristics
hole transport layer
Indium tin oxides
organic photovoltaics
Phosphonic acids
Photovoltaic cells
Polyanilines
self-doped conducting polymer
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Summary:A self-doped conducting polyaniline was used as a hole transport layer (HTL) in organic photovoltaics (OPVs) [indium tin oxide/HTL/zinc-phthalocyanine/C 70 /bathocuproine/Al]. This polyaniline was characterized by phosphonic acid neutralized with pyridine (PMAP:Py). The current–voltage characteristics were evaluated and were comparable to those of the devices using a conventional hole transport material, poly(3,4-ethylenedioxythiophene) doped with poly(styrenesulfonate) (PEDOT:PSS). PMAP:Py-based OPVs stored in both nitrogen and ambient atmosphere had a longer lifetime than PEDOT:PSS-based ones.
ISSN:0021-4922
1347-4065
DOI:10.35848/1347-4065/ad7180