Low-molecular weight polydimethylsiloxane, a versatile performance enhancer for the solution processed indium tin oxide transparent electrode

Deuk Kyu Hwang; Mirnmoy Misra; Jae Min Myoung; Tae Il Lee

doi:10.1016/j.apsusc.2019.144308

Low-molecular weight polydimethylsiloxane, a versatile performance enhancer for the solution processed indium tin oxide transparent electrode

Deuk Kyu Hwang, Mirnmoy Misra, Jae Min Myoung, Tae Il Lee

Department of Materials Science and Engineering

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

Abstract

An ultra-thin low molecular weight (LMW) polydimethylsiloxane (PDMS) layer is introduced as an agent to enhance the electrical conductivity, transmittance, and anti-fogging function of a solution-processed indium tin oxide (ITO) thin film transparent electrode. Under argon plasma, Si[sbnd]C bonds of LMW PDMS are easily broken and become Si dangling bonds, which consumes oxygen from the ITO thin film, producing oxygen vacancies; at the same time, these bonds turn into SiO_x and serve as an optical layer to reduce the reflectivity of the thin film. As a result, the ITO's figure of merit, which is a performance index for transparent electrodes, increased by more than 10 times by the adoption of the agent LMW PDMS. Additionally, the SiO_x layer hydrophilizes the ITO surface so as to reinforce its anti-fogging ability. Using this SiO_x layer, an anti-fogging smart ITO glass was fabricated, which showed twice faster ability to eliminate the haze due to dew condensation on the ITO surface compared to the conventional ITO thin film.

Original language	English
Article number	144308
Journal	Applied Surface Science
Volume	503
DOIs	https://doi.org/10.1016/j.apsusc.2019.144308
Publication status	Published - 2020 Feb 15

Bibliographical note

Funding Information:
This research was supported by National Research Foundation of Korea (NRF) grant funded by the South Korean government ( NRF-2017R1D1A1B05030414 ) and by the World Class 300 Project (R&D) (S2640096, Development of lightweight parts with loss factor class of 2.8% by aluminum-resin hybrid materials) of the SMBA (Korea).

All Science Journal Classification (ASJC) codes

Chemistry(all)
Condensed Matter Physics
Physics and Astronomy(all)
Surfaces and Interfaces
Surfaces, Coatings and Films

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title = "Low-molecular weight polydimethylsiloxane, a versatile performance enhancer for the solution processed indium tin oxide transparent electrode",

abstract = "An ultra-thin low molecular weight (LMW) polydimethylsiloxane (PDMS) layer is introduced as an agent to enhance the electrical conductivity, transmittance, and anti-fogging function of a solution-processed indium tin oxide (ITO) thin film transparent electrode. Under argon plasma, Si[sbnd]C bonds of LMW PDMS are easily broken and become Si dangling bonds, which consumes oxygen from the ITO thin film, producing oxygen vacancies; at the same time, these bonds turn into SiOx and serve as an optical layer to reduce the reflectivity of the thin film. As a result, the ITO's figure of merit, which is a performance index for transparent electrodes, increased by more than 10 times by the adoption of the agent LMW PDMS. Additionally, the SiOx layer hydrophilizes the ITO surface so as to reinforce its anti-fogging ability. Using this SiOx layer, an anti-fogging smart ITO glass was fabricated, which showed twice faster ability to eliminate the haze due to dew condensation on the ITO surface compared to the conventional ITO thin film.",

author = "Hwang, {Deuk Kyu} and Mirnmoy Misra and Myoung, {Jae Min} and {Il Lee}, Tae",

note = "Funding Information: This research was supported by National Research Foundation of Korea (NRF) grant funded by the South Korean government ( NRF-2017R1D1A1B05030414 ) and by the World Class 300 Project (R&D) (S2640096, Development of lightweight parts with loss factor class of 2.8% by aluminum-resin hybrid materials) of the SMBA (Korea). ",

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AU - Myoung, Jae Min

AU - Il Lee, Tae

N1 - Funding Information: This research was supported by National Research Foundation of Korea (NRF) grant funded by the South Korean government ( NRF-2017R1D1A1B05030414 ) and by the World Class 300 Project (R&D) (S2640096, Development of lightweight parts with loss factor class of 2.8% by aluminum-resin hybrid materials) of the SMBA (Korea).

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N2 - An ultra-thin low molecular weight (LMW) polydimethylsiloxane (PDMS) layer is introduced as an agent to enhance the electrical conductivity, transmittance, and anti-fogging function of a solution-processed indium tin oxide (ITO) thin film transparent electrode. Under argon plasma, Si[sbnd]C bonds of LMW PDMS are easily broken and become Si dangling bonds, which consumes oxygen from the ITO thin film, producing oxygen vacancies; at the same time, these bonds turn into SiOx and serve as an optical layer to reduce the reflectivity of the thin film. As a result, the ITO's figure of merit, which is a performance index for transparent electrodes, increased by more than 10 times by the adoption of the agent LMW PDMS. Additionally, the SiOx layer hydrophilizes the ITO surface so as to reinforce its anti-fogging ability. Using this SiOx layer, an anti-fogging smart ITO glass was fabricated, which showed twice faster ability to eliminate the haze due to dew condensation on the ITO surface compared to the conventional ITO thin film.

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