Supersonically sprayed gas- and water-sensing MIL-100(Fe) films

Jong Gun Lee; Bhavana N. Joshi; Edmund Samuel; Seongpil An; Mark T. Swihart; Ji Sun Lee; Young Kyu Hwang; Jong San Chang; Suk Goo Yoon

doi:10.1016/j.jallcom.2017.06.190

Supersonically sprayed gas- and water-sensing MIL-100(Fe) films

Jong Gun Lee, Bhavana N. Joshi, Edmund Samuel, Seongpil An, Mark T. Swihart, Ji Sun Lee, Young Kyu Hwang, Jong San Chang, Suk Goo Yoon

Department of Mechanical Engineering

Research output: Contribution to journal › Article

7 Citations (Scopus)

Abstract

Highly uniform, mechanically stable, dense, and water-adsorbing MIL-100(Fe) films were fabricated via supersonic spraying, a rapid, high-throughput, and scalable method compatible with roll-to-roll processing. The film surface area (1667 m² g⁻¹) was comparable to that of the nanoparticles from which it was prepared (2009 m² g⁻¹), and was higher than previously reported values for MIL-100(Fe) films. The gas and water adsorption abilities of the film were tested by nitrogen physisorption and water adsorption at 30 °C. The supersonically sprayed film was mechanically resistant up to a critical scratching load of 1.84 N, higher than the critical scratchability loads of dip-coated or spin-coated films. In humidity-sensing applications, films that incorporated conductive Ag nanowires were highly responsive to environmental humidity, demonstrating applicability as water vapor sensors. The fabricated films were characterized by X-ray diffraction, Raman spectroscopy, Fourier transform infrared spectroscopy, scanning electron microscopy, and atomic force microscopy.

Original language	English
Pages (from-to)	996-1001
Number of pages	6
Journal	Journal of Alloys and Compounds
Volume	722
DOIs	https://doi.org/10.1016/j.jallcom.2017.06.190
Publication status	Published - 2017 Oct 25

Keywords

Humidity sensor
MIL-100
Supersonic spraying
Water adsorption

ASJC Scopus subject areas

Mechanics of Materials
Mechanical Engineering
Metals and Alloys
Materials Chemistry

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Lee, J. G., Joshi, B. N., Samuel, E., An, S., Swihart, M. T., Lee, J. S., Hwang, Y. K., Chang, J. S., & Yoon, S. G. (2017). Supersonically sprayed gas- and water-sensing MIL-100(Fe) films. Journal of Alloys and Compounds, 722, 996-1001. https://doi.org/10.1016/j.jallcom.2017.06.190

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abstract = "Highly uniform, mechanically stable, dense, and water-adsorbing MIL-100(Fe) films were fabricated via supersonic spraying, a rapid, high-throughput, and scalable method compatible with roll-to-roll processing. The film surface area (1667 m2 g−1) was comparable to that of the nanoparticles from which it was prepared (2009 m2 g−1), and was higher than previously reported values for MIL-100(Fe) films. The gas and water adsorption abilities of the film were tested by nitrogen physisorption and water adsorption at 30 °C. The supersonically sprayed film was mechanically resistant up to a critical scratching load of 1.84 N, higher than the critical scratchability loads of dip-coated or spin-coated films. In humidity-sensing applications, films that incorporated conductive Ag nanowires were highly responsive to environmental humidity, demonstrating applicability as water vapor sensors. The fabricated films were characterized by X-ray diffraction, Raman spectroscopy, Fourier transform infrared spectroscopy, scanning electron microscopy, and atomic force microscopy.",

keywords = "Humidity sensor, MIL-100, Supersonic spraying, Water adsorption",

author = "Lee, {Jong Gun} and Joshi, {Bhavana N.} and Edmund Samuel and Seongpil An and Swihart, {Mark T.} and Lee, {Ji Sun} and Hwang, {Young Kyu} and Chang, {Jong San} and Yoon, {Suk Goo}",

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AU - Lee, Jong Gun

AU - Joshi, Bhavana N.

AU - Samuel, Edmund

AU - An, Seongpil

AU - Swihart, Mark T.

AU - Lee, Ji Sun

AU - Hwang, Young Kyu

AU - Chang, Jong San

AU - Yoon, Suk Goo

PY - 2017/10/25

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N2 - Highly uniform, mechanically stable, dense, and water-adsorbing MIL-100(Fe) films were fabricated via supersonic spraying, a rapid, high-throughput, and scalable method compatible with roll-to-roll processing. The film surface area (1667 m2 g−1) was comparable to that of the nanoparticles from which it was prepared (2009 m2 g−1), and was higher than previously reported values for MIL-100(Fe) films. The gas and water adsorption abilities of the film were tested by nitrogen physisorption and water adsorption at 30 °C. The supersonically sprayed film was mechanically resistant up to a critical scratching load of 1.84 N, higher than the critical scratchability loads of dip-coated or spin-coated films. In humidity-sensing applications, films that incorporated conductive Ag nanowires were highly responsive to environmental humidity, demonstrating applicability as water vapor sensors. The fabricated films were characterized by X-ray diffraction, Raman spectroscopy, Fourier transform infrared spectroscopy, scanning electron microscopy, and atomic force microscopy.

AB - Highly uniform, mechanically stable, dense, and water-adsorbing MIL-100(Fe) films were fabricated via supersonic spraying, a rapid, high-throughput, and scalable method compatible with roll-to-roll processing. The film surface area (1667 m2 g−1) was comparable to that of the nanoparticles from which it was prepared (2009 m2 g−1), and was higher than previously reported values for MIL-100(Fe) films. The gas and water adsorption abilities of the film were tested by nitrogen physisorption and water adsorption at 30 °C. The supersonically sprayed film was mechanically resistant up to a critical scratching load of 1.84 N, higher than the critical scratchability loads of dip-coated or spin-coated films. In humidity-sensing applications, films that incorporated conductive Ag nanowires were highly responsive to environmental humidity, demonstrating applicability as water vapor sensors. The fabricated films were characterized by X-ray diffraction, Raman spectroscopy, Fourier transform infrared spectroscopy, scanning electron microscopy, and atomic force microscopy.

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KW - MIL-100

KW - Supersonic spraying

KW - Water adsorption

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