Sonochemical synthesis and properties of nanoparticles of FeSbO 4

Pratanu Nag, Suparna Banerjee, Yongmoon Lee, Ali Bumajdad, Yongjae Lee, P. Sujatha Devi

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

A sonochemical method was employed to prepare reactive nanoparticles of FeSbO 4 at 300 °C, which is the lowest calcination temperature reported so far for preparing FeSbO 4. A systematic evolution of the FeSbO 4 phase formation as a function of temperature was monitored by in situ synchrotron X-ray measurements. The 300 and 450 °C calcined powders exhibited specific surface areas of 116 and 75 m 2/g, respectively. The X-ray photoelectron spectra analysis confirmed the presence of mainly Fe 3+ and Sb 5+ in the calcined powder. The response of the fabricated sensors (using both 300 and 450 °C calcined powders) toward 1000 ppm and 1, 2, 4, and 8% hydrogen, respectively, has been monitored at various operating temperatures. The sensors fabricated using 300 °C calcined powder exhibited a response of 76% toward 4% H 2 gas at an operating temperature of 300 °C, while those fabricated using 450 °C calcined powder exhibited a higher response of 91% with a quick recovery toward 4% H 2 gas at 300 °C. The results confirmed that a higher calcination temperature was preferred to achieve better sensitivity and selectivity toward hydrogen in comparison to other reducing gases such as butane and methane. The experimental results confirmed that the sonochemical process can be easily used to prepare FeSbO 4 nanoparticles for various catalytic applications as demonstrated. Here, we project FeSbO 4 as a new class of material exhibiting high sensitivity toward a wide range of hydrogen gas. Such sensors that could detect high concentrations of hydrogen may find application in nuclear reactors where there will be a leakage of hydrogen.

Original languageEnglish
Pages (from-to)844-850
Number of pages7
JournalInorganic Chemistry
Volume51
Issue number2
DOIs
Publication statusPublished - 2012 Jan 16

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Powders
Hydrogen
Nanoparticles
nanoparticles
Gases
hydrogen
synthesis
operating temperature
gases
Calcination
roasting
sensors
Sensors
Temperature
X rays
sensitivity
nuclear reactors
Methane
Nuclear reactors
butanes

All Science Journal Classification (ASJC) codes

  • Physical and Theoretical Chemistry
  • Inorganic Chemistry

Cite this

Nag, P., Banerjee, S., Lee, Y., Bumajdad, A., Lee, Y., & Devi, P. S. (2012). Sonochemical synthesis and properties of nanoparticles of FeSbO 4 Inorganic Chemistry, 51(2), 844-850. https://doi.org/10.1021/ic201353u
Nag, Pratanu ; Banerjee, Suparna ; Lee, Yongmoon ; Bumajdad, Ali ; Lee, Yongjae ; Devi, P. Sujatha. / Sonochemical synthesis and properties of nanoparticles of FeSbO 4 In: Inorganic Chemistry. 2012 ; Vol. 51, No. 2. pp. 844-850.
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Nag, P, Banerjee, S, Lee, Y, Bumajdad, A, Lee, Y & Devi, PS 2012, 'Sonochemical synthesis and properties of nanoparticles of FeSbO 4 ', Inorganic Chemistry, vol. 51, no. 2, pp. 844-850. https://doi.org/10.1021/ic201353u

Sonochemical synthesis and properties of nanoparticles of FeSbO 4 . / Nag, Pratanu; Banerjee, Suparna; Lee, Yongmoon; Bumajdad, Ali; Lee, Yongjae; Devi, P. Sujatha.

In: Inorganic Chemistry, Vol. 51, No. 2, 16.01.2012, p. 844-850.

Research output: Contribution to journalArticle

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T1 - Sonochemical synthesis and properties of nanoparticles of FeSbO 4

AU - Nag, Pratanu

AU - Banerjee, Suparna

AU - Lee, Yongmoon

AU - Bumajdad, Ali

AU - Lee, Yongjae

AU - Devi, P. Sujatha

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