Effects of CO2 bubbles on layer-by-layer assembled hybrid thin film

Jiwoong Heo; Jinkee Hong

doi:10.1016/j.cej.2016.06.030

Effects of CO₂ bubbles on layer-by-layer assembled hybrid thin film

Jiwoong Heo, Jinkee Hong

Department of Chemical and Biomolecular Engineering

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

9 Citations (Scopus)

Abstract

In recent years, polyelectrolytes such as poly (diallyldimethylammonium chloride) and polystyrene sulfonate have been widely applied to hybrid thin films for industrial applications. In this paper, we report a method to modify the film by applying CO₂ bubbles during layer-by-layer (LbL) assembly. The differences in thickness, mass, and surface morphology between CO₂-treated hybrid LbL and pristine films were analyzed by quartz crystal microbalance, atomic force microscopy, scanning electron microscopy, and profilometry. The internal structure of the hybrid LbL films was investigated by analyzing the release of doxorubicin (DOX) incorporated in each film through photoluminescence. Upon CO₂ treatment, the thickness, mass, and surface roughness increased, while the amount of incorporated DOX decreased.

Original language	English
Pages (from-to)	433-438
Number of pages	6
Journal	Chemical Engineering Journal
Volume	303
DOIs	https://doi.org/10.1016/j.cej.2016.06.030
Publication status	Published - 2016

Bibliographical note

Funding Information:
This research was supported by the Bio & Medical Technology Development Program of the National Research Foundation of Korea (NRF) funded by the Korean Government (Grant 2012M3A9C6050104) and supported by the National Research Foundation of Korea (NRF), funded by the Korean Government Ministry of Science, ICT & Future Planning (Grant 2013R1A1A1076126). Additionally, this research was also supported by a grant of the Korea Health Technology R&D Project through the Korea Health Industry Development Institute (KHIDI), funded by the Ministry of Health & Welfare, Republic of Korea (Grant HI14C-3266, HI15C-1653).

All Science Journal Classification (ASJC) codes

Chemistry(all)
Environmental Chemistry
Chemical Engineering(all)
Industrial and Manufacturing Engineering

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title = "Effects of CO2 bubbles on layer-by-layer assembled hybrid thin film",

abstract = "In recent years, polyelectrolytes such as poly (diallyldimethylammonium chloride) and polystyrene sulfonate have been widely applied to hybrid thin films for industrial applications. In this paper, we report a method to modify the film by applying CO2 bubbles during layer-by-layer (LbL) assembly. The differences in thickness, mass, and surface morphology between CO2-treated hybrid LbL and pristine films were analyzed by quartz crystal microbalance, atomic force microscopy, scanning electron microscopy, and profilometry. The internal structure of the hybrid LbL films was investigated by analyzing the release of doxorubicin (DOX) incorporated in each film through photoluminescence. Upon CO2 treatment, the thickness, mass, and surface roughness increased, while the amount of incorporated DOX decreased.",

author = "Jiwoong Heo and Jinkee Hong",

note = "Funding Information: This research was supported by the Bio & Medical Technology Development Program of the National Research Foundation of Korea (NRF) funded by the Korean Government (Grant 2012M3A9C6050104) and supported by the National Research Foundation of Korea (NRF), funded by the Korean Government Ministry of Science, ICT & Future Planning (Grant 2013R1A1A1076126). Additionally, this research was also supported by a grant of the Korea Health Technology R&D Project through the Korea Health Industry Development Institute (KHIDI), funded by the Ministry of Health & Welfare, Republic of Korea (Grant HI14C-3266, HI15C-1653).",

year = "2016",

doi = "10.1016/j.cej.2016.06.030",

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AU - Heo, Jiwoong

AU - Hong, Jinkee

N1 - Funding Information: This research was supported by the Bio & Medical Technology Development Program of the National Research Foundation of Korea (NRF) funded by the Korean Government (Grant 2012M3A9C6050104) and supported by the National Research Foundation of Korea (NRF), funded by the Korean Government Ministry of Science, ICT & Future Planning (Grant 2013R1A1A1076126). Additionally, this research was also supported by a grant of the Korea Health Technology R&D Project through the Korea Health Industry Development Institute (KHIDI), funded by the Ministry of Health & Welfare, Republic of Korea (Grant HI14C-3266, HI15C-1653).

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AB - In recent years, polyelectrolytes such as poly (diallyldimethylammonium chloride) and polystyrene sulfonate have been widely applied to hybrid thin films for industrial applications. In this paper, we report a method to modify the film by applying CO2 bubbles during layer-by-layer (LbL) assembly. The differences in thickness, mass, and surface morphology between CO2-treated hybrid LbL and pristine films were analyzed by quartz crystal microbalance, atomic force microscopy, scanning electron microscopy, and profilometry. The internal structure of the hybrid LbL films was investigated by analyzing the release of doxorubicin (DOX) incorporated in each film through photoluminescence. Upon CO2 treatment, the thickness, mass, and surface roughness increased, while the amount of incorporated DOX decreased.

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