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

Research output: Contribution to journalArticle

4 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 languageEnglish
Pages (from-to)996-1001
Number of pages6
JournalJournal of Alloys and Compounds
Volume722
DOIs
Publication statusPublished - 2017 Oct 25

Fingerprint

Gases
Water
Atmospheric humidity
Adsorption
Physisorption
N(1)-methyl-2-lysergic acid diethylamide
Steam
Spraying
Water vapor
Nanowires
Fourier transform infrared spectroscopy
Raman spectroscopy
Atomic force microscopy
Nitrogen
Throughput
Nanoparticles
X ray diffraction
Scanning electron microscopy
Sensors
Processing

Keywords

  • Humidity sensor
  • MIL-100
  • Supersonic spraying
  • Water adsorption

ASJC Scopus subject areas

  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys
  • Materials Chemistry

Cite this

Supersonically sprayed gas- and water-sensing MIL-100(Fe) films. / Lee, Jong Gun; Joshi, Bhavana N.; Samuel, Edmund; An, Seongpil; Swihart, Mark T.; Lee, Ji Sun; Hwang, Young Kyu; Chang, Jong San; Yoon, Suk Goo.

In: Journal of Alloys and Compounds, Vol. 722, 25.10.2017, p. 996-1001.

Research output: Contribution to journalArticle

Lee, JG, Joshi, BN, Samuel, E, An, S, Swihart, MT, Lee, JS, Hwang, YK, Chang, JS & Yoon, SG 2017, 'Supersonically sprayed gas- and water-sensing MIL-100(Fe) films', Journal of Alloys and Compounds, vol. 722, pp. 996-1001. https://doi.org/10.1016/j.jallcom.2017.06.190
Lee, Jong Gun ; Joshi, Bhavana N. ; Samuel, Edmund ; An, Seongpil ; Swihart, Mark T. ; Lee, Ji Sun ; Hwang, Young Kyu ; Chang, Jong San ; Yoon, Suk Goo. / Supersonically sprayed gas- and water-sensing MIL-100(Fe) films. In: Journal of Alloys and Compounds. 2017 ; Vol. 722. pp. 996-1001.
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