Surface plasmon enhanced Organic color image sensor with Ag nanoparticles coated with silicon oxynitride

Sung Heo; Jooho lee; Gae Hwang Lee; Chul Joon Heo; Seong Heon Kim; Dong Jin Yun; Jong Bong Park; Kihong Kim; Yongsung Kim; Dongwook Lee; Gyeong Su Park; Hoon Young Cho; Taeho Shin; Sung Young Yun; Sunghan Kim; Yong Wan Jin; Kyung Bae Park

doi:10.1038/s41598-019-57087-2

Surface plasmon enhanced Organic color image sensor with Ag nanoparticles coated with silicon oxynitride

Sung Heo, Jooho lee, Gae Hwang Lee, Chul Joon Heo, Seong Heon Kim, Dong Jin Yun, Jong Bong Park, Kihong Kim, Yongsung Kim, Dongwook Lee, Gyeong Su Park, Hoon Young Cho, Taeho Shin, Sung Young Yun, Sunghan Kim, Yong Wan Jin, Kyung Bae Park

Department of Physics

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

8 Scopus citations

Abstract

As organic photodetectors with less than 1 μm pixel size are in demand, a new way of enhancing the sensitivity of the photodetectors is required to compensate for its degradation due to the reduction in pixel size. Here, we used Ag nanoparticles coated with SiO_xN_y as a light-absorbing layer to realize the scale-down of the pixel size without the loss of sensitivity. The surface plasmon resonance appeared at the interface between Ag nanoparticles and SiO_xN_y. The plasmon resonance endowed the organic photodetector with boosted photon absorption and external quantum efficiency. As the Ag nanoparticles with SiO_xN_y are easily deposited on ITO/SiO₂, it can be adapted into various organic color image sensors. The plasmon-supported organic photodetector is a promising solution for realizing color image sensors with high resolution below 1 μm.

Original language	English
Article number	219
Journal	Scientific Reports
Volume	10
Issue number	1
DOIs	https://doi.org/10.1038/s41598-019-57087-2
State	Published - 1 Dec 2020

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Heo, S., lee, J., Lee, G. H., Heo, C. J., Kim, S. H., Yun, D. J., Park, J. B., Kim, K., Kim, Y., Lee, D., Park, G. S., Cho, H. Y., Shin, T., Yun, S. Y., Kim, S., Jin, Y. W., & Park, K. B. (2020). Surface plasmon enhanced Organic color image sensor with Ag nanoparticles coated with silicon oxynitride. Scientific Reports, 10(1), Article 219. https://doi.org/10.1038/s41598-019-57087-2

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title = "Surface plasmon enhanced Organic color image sensor with Ag nanoparticles coated with silicon oxynitride",

abstract = "As organic photodetectors with less than 1 μm pixel size are in demand, a new way of enhancing the sensitivity of the photodetectors is required to compensate for its degradation due to the reduction in pixel size. Here, we used Ag nanoparticles coated with SiOxNy as a light-absorbing layer to realize the scale-down of the pixel size without the loss of sensitivity. The surface plasmon resonance appeared at the interface between Ag nanoparticles and SiOxNy. The plasmon resonance endowed the organic photodetector with boosted photon absorption and external quantum efficiency. As the Ag nanoparticles with SiOxNy are easily deposited on ITO/SiO2, it can be adapted into various organic color image sensors. The plasmon-supported organic photodetector is a promising solution for realizing color image sensors with high resolution below 1 μm.",

author = "Sung Heo and Jooho lee and Lee, {Gae Hwang} and Heo, {Chul Joon} and Kim, {Seong Heon} and Yun, {Dong Jin} and Park, {Jong Bong} and Kihong Kim and Yongsung Kim and Dongwook Lee and Park, {Gyeong Su} and Cho, {Hoon Young} and Taeho Shin and Yun, {Sung Young} and Sunghan Kim and Jin, {Yong Wan} and Park, {Kyung Bae}",

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AU - Yun, Dong Jin

AU - Park, Jong Bong

AU - Kim, Kihong

AU - Kim, Yongsung

AU - Lee, Dongwook

AU - Park, Gyeong Su

AU - Cho, Hoon Young

AU - Shin, Taeho

AU - Yun, Sung Young

AU - Kim, Sunghan

AU - Jin, Yong Wan

AU - Park, Kyung Bae

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AB - As organic photodetectors with less than 1 μm pixel size are in demand, a new way of enhancing the sensitivity of the photodetectors is required to compensate for its degradation due to the reduction in pixel size. Here, we used Ag nanoparticles coated with SiOxNy as a light-absorbing layer to realize the scale-down of the pixel size without the loss of sensitivity. The surface plasmon resonance appeared at the interface between Ag nanoparticles and SiOxNy. The plasmon resonance endowed the organic photodetector with boosted photon absorption and external quantum efficiency. As the Ag nanoparticles with SiOxNy are easily deposited on ITO/SiO2, it can be adapted into various organic color image sensors. The plasmon-supported organic photodetector is a promising solution for realizing color image sensors with high resolution below 1 μm.

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Surface plasmon enhanced Organic color image sensor with Ag nanoparticles coated with silicon oxynitride

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