Study on diffusion process of nanoparticles in a PDMS layer using SPT technique

Ryo Iwao; yu Matsuda; Hiroki Yamaguchi; Tomohide Niimi

doi:10.1109/MHS.2015.7438256

Study on diffusion process of nanoparticles in a PDMS layer using SPT technique

Ryo Iwao, yu Matsuda, Hiroki Yamaguchi, Tomohide Niimi

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

The Brownian motions of ZnS-AgInS2 (ZAIS) nanoparticles in a poly(dimethylsiloxane) (PDMS) layer were observed using the single-particle tracking (SPT) technique. The positions of each nanoparticle can be detected with spatial resolution of O(10 nm), and reflect the environment near each nanoparticles; thus, SPT can obtain information on the nanoscale structure or the spatial heterogeneity of the medium. In this study, ZAIS nanoparticles were illuminated by an excitation laser, and the emission of the nanoparticle was taken by using an EM-CCD camera. We analyzed each motion of the nanoparticle in the PDMS layer under two conditions: before and after adding a curing agent. The histograms of the diffusion coefficients had single peak for all of the particles in the layer before adding the curing agent and some particles in the layer after adding the one. On the other hand, the histogram of the other particles had two peaks. This indicates these particles diffused in the heterogeneous layer, showing spatial heterogeneous curing process in the layer.

Original language	English
Title of host publication	2015 International Symposium on Micro-NanoMechatronics and Human Science, MHS 2015
Publisher	Institute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)	9781479966783
DOIs	https://doi.org/10.1109/MHS.2015.7438256
Publication status	Published - 2016 Mar 21
Externally published	Yes
Event	International Symposium on Micro-NanoMechatronics and Human Science, MHS 2015 - Nagoya, Japan Duration: 2015 Nov 23 → 2015 Nov 25

Other

Other	International Symposium on Micro-NanoMechatronics and Human Science, MHS 2015
Country/Territory	Japan
City	Nagoya
Period	15/11/23 → 15/11/25

ASJC Scopus subject areas

Biomedical Engineering
Electrical and Electronic Engineering
Biotechnology
Education

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10.1109/MHS.2015.7438256

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Study on diffusion process of nanoparticles in a PDMS layer using SPT technique. / Iwao, Ryo; Matsuda, yu; Yamaguchi, Hiroki et al.

2015 International Symposium on Micro-NanoMechatronics and Human Science, MHS 2015. Institute of Electrical and Electronics Engineers Inc., 2016. 7438256.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Iwao, R, Matsuda, Y, Yamaguchi, H & Niimi, T 2016, Study on diffusion process of nanoparticles in a PDMS layer using SPT technique. in 2015 International Symposium on Micro-NanoMechatronics and Human Science, MHS 2015., 7438256, Institute of Electrical and Electronics Engineers Inc., International Symposium on Micro-NanoMechatronics and Human Science, MHS 2015, Nagoya, Japan, 15/11/23. https://doi.org/10.1109/MHS.2015.7438256

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title = "Study on diffusion process of nanoparticles in a PDMS layer using SPT technique",

abstract = "The Brownian motions of ZnS-AgInS2 (ZAIS) nanoparticles in a poly(dimethylsiloxane) (PDMS) layer were observed using the single-particle tracking (SPT) technique. The positions of each nanoparticle can be detected with spatial resolution of O(10 nm), and reflect the environment near each nanoparticles; thus, SPT can obtain information on the nanoscale structure or the spatial heterogeneity of the medium. In this study, ZAIS nanoparticles were illuminated by an excitation laser, and the emission of the nanoparticle was taken by using an EM-CCD camera. We analyzed each motion of the nanoparticle in the PDMS layer under two conditions: before and after adding a curing agent. The histograms of the diffusion coefficients had single peak for all of the particles in the layer before adding the curing agent and some particles in the layer after adding the one. On the other hand, the histogram of the other particles had two peaks. This indicates these particles diffused in the heterogeneous layer, showing spatial heterogeneous curing process in the layer.",

author = "Ryo Iwao and yu Matsuda and Hiroki Yamaguchi and Tomohide Niimi",

year = "2016",

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doi = "10.1109/MHS.2015.7438256",

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T1 - Study on diffusion process of nanoparticles in a PDMS layer using SPT technique

AU - Iwao, Ryo

AU - Matsuda, yu

AU - Yamaguchi, Hiroki

AU - Niimi, Tomohide

PY - 2016/3/21

Y1 - 2016/3/21

N2 - The Brownian motions of ZnS-AgInS2 (ZAIS) nanoparticles in a poly(dimethylsiloxane) (PDMS) layer were observed using the single-particle tracking (SPT) technique. The positions of each nanoparticle can be detected with spatial resolution of O(10 nm), and reflect the environment near each nanoparticles; thus, SPT can obtain information on the nanoscale structure or the spatial heterogeneity of the medium. In this study, ZAIS nanoparticles were illuminated by an excitation laser, and the emission of the nanoparticle was taken by using an EM-CCD camera. We analyzed each motion of the nanoparticle in the PDMS layer under two conditions: before and after adding a curing agent. The histograms of the diffusion coefficients had single peak for all of the particles in the layer before adding the curing agent and some particles in the layer after adding the one. On the other hand, the histogram of the other particles had two peaks. This indicates these particles diffused in the heterogeneous layer, showing spatial heterogeneous curing process in the layer.

AB - The Brownian motions of ZnS-AgInS2 (ZAIS) nanoparticles in a poly(dimethylsiloxane) (PDMS) layer were observed using the single-particle tracking (SPT) technique. The positions of each nanoparticle can be detected with spatial resolution of O(10 nm), and reflect the environment near each nanoparticles; thus, SPT can obtain information on the nanoscale structure or the spatial heterogeneity of the medium. In this study, ZAIS nanoparticles were illuminated by an excitation laser, and the emission of the nanoparticle was taken by using an EM-CCD camera. We analyzed each motion of the nanoparticle in the PDMS layer under two conditions: before and after adding a curing agent. The histograms of the diffusion coefficients had single peak for all of the particles in the layer before adding the curing agent and some particles in the layer after adding the one. On the other hand, the histogram of the other particles had two peaks. This indicates these particles diffused in the heterogeneous layer, showing spatial heterogeneous curing process in the layer.

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PB - Institute of Electrical and Electronics Engineers Inc.

T2 - International Symposium on Micro-NanoMechatronics and Human Science, MHS 2015

Y2 - 23 November 2015 through 25 November 2015

ER -

Study on diffusion process of nanoparticles in a PDMS layer using SPT technique

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