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Effectiveness of p-dopants in an organic hole transporting material

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Authors
Lee, Jae-Hyun; Leem, Dong-Seok; Kim, Hyong-Jun; Kim, Jang-Joo
Issue Date
2009-03-27
Publisher
American Institute of Physics
Citation
Appl. Phys. Lett. 94, 123306 (2009)
Abstract
We investigated the effectiveness of p-dopants to generate holes in a hole transporting material by comparing the absorption in visible-near-infrared and infrared regions and current density-voltage characteristics. CuI, MoO3, and ReO3 having different work functions were doped in a hole transporting organic material, 4,4,4-tris(N-(2-naphthyl)-N-phenylamino)-triphenylamine (2TNATA). Formation of charge transfer (CT) complexes increases linearly with increasing doping concentration for all the dopants. Dopants with higher work function (ReO3>MoO3>CuI) are more effective in the formation of CT complexes and in the generation of the charges in the doped films.
ISSN
0003-6951 (print)
1077-3118 (online)
Language
English
URI
http://hdl.handle.net/10371/6944
DOI
https://doi.org/10.1063/1.3107267
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College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Material Science and Engineering (재료공학부) Journal Papers (저널논문_재료공학부)
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