Spray deposited thin uniform NiO/Spiro-OMeTAD composite hole transport layer with top carbon nanotube electrode | Zendy

A. V. Romashkin | Zendy; Yu A Polikarpov | Zendy; G O Silakov | Zendy; Evgeny V. Alexandrov | Zendy

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Spray deposited thin uniform NiO/Spiro-OMeTAD composite hole transport layer with top carbon nanotube electrode

Author(s) -

A. V. Romashkin,

Yu A Polikarpov,

G O Silakov,

Evgeny V. Alexandrov

Publication year - 2021

Publication title -

journal of physics conference series

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.21

H-Index - 85

eISSN - 1742-6596

pISSN - 1742-6588

DOI - 10.1088/1742-6596/2086/1/012097

Subject(s) - carbon nanotube , materials science , layer (electronics) , non blocking i/o , electrode , deposition (geology) , layer by layer , composite number , raman spectroscopy , pinhole (optics) , composite material , nanotechnology , optics , chemistry , catalysis , paleontology , biochemistry , physics , sediment , biology

Thin Spiro-OMeTAD and NiO nanoparticles layers, as well as their composite layer was formed by layer-by-layer spray deposition as hole-transport layer (HTL), with followed carbon nanotubes (CNT) deposition to form Ti/TiO 2 /HTL/CNT structures. Layers’ uniformity was estimated by Raman intensity maps, AFM and current-voltage characteristics of the CNT layer and between CNT and Ti contacts. The possibility of formation of thin, less than 100 nm, pinhole-free uniform composite NiO/Spiro-OMeTAD layer by spray-deposition was shown, which manifests itself as continuous HTL even after top CNT layer deposition.

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