High-Performance Indium–Tin Oxide (ITO) Electrode Enabled by a Counteranion-Free Metal–Polymer Complex
SCOPUS
- Title
- High-Performance Indium–Tin Oxide (ITO) Electrode Enabled by a Counteranion-Free Metal–Polymer Complex
- Authors
- Park, Gyeongbae; Kim, Dongbeom; Kim, Geonwoo; Jeong, Unyong
- Date Issued
- 2022-12
- Publisher
- American Chemical Society
- Abstract
- Although multicomponent inorganic thin films (metal-oxides, -carbides, -nitrides, and -chalcogenides) have been synthesized by polymer-assisted deposition (PAD), synthesis of high-performance transparent conducting oxides (TCOs) has been rarely reported. TCO requires (i) removal of impurities, (ii) high-density oxide film, (iii) homogeneity in crystal structures and film morphology, and (iv) controllable elemental doping. This study performs a systematic investigation on preparation of stable multicomponent metal-polymer complex solutions by removing the counteranions in the solution. This study also proposes accurate acid-base titration for each metal species in order to minimize the amount of PEI, thus maximizing the density of the film. As a representative TCO, Sn-doped In2O3 (ITO) films have been achieved. The ITO film has an excellent sheet resistance (24.5 ω/sq) at 93% optical transparency, with a figure of merit of 2.1 × 10-2 ω-1, which is comparable to the best. © 2022 American Chemical Society.
- URI
- https://oasis.postech.ac.kr/handle/2014.oak/116582
- DOI
- 10.1021/acsnanoscienceau.2c00027
- ISSN
- 2694-2496
- Article Type
- Article
- Citation
- ACS Nanoscience Au, vol. 2, no. 6, page. 527 - 538, 2022-12
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