Development of high performance Bi5Ti3FeO15layered perovskite oxygen gas sensor and its dielectric behavior
Abstract
Aurivillius phase Bi 5 Ti 3 FeO 15 nanoparticles were synthesized by the solid-state method and investigated for its dielectric as well as gas sensing properties. Relative permittivity ( ε ′) and dielectric loss tangent (tan δ ) of Bi 5 Ti 3 FeO 15 nanoparticles increased with temperature (in the range of 300–400 K) whereas reduced with the increase in frequency from 120 Hz to 1 MHz. Oxygen gas sensing properties were studied in the range of 100–500 ppm. The response of Bi 5 Ti 3 FeO 15 sensor increases linearly with an increase in oxygen concentration. The sensor was found to be selective towards oxygen when tested in the presence of ethanol, methanol, 1-butanol, acetone and LPG. High linearity, repeatability and selectivity of Bi 5 Ti 3 FeO 15 sensor suggest it as a good candidate for developing practical oxygen gas sensors.
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Perovskite materials can adsorb and react with specific gas molecules, leading to changes in electrode potential when the gas molecules interact with the perovskite electrode.
“For example, perovskite materials can adsorb and react with specific gas molecules, leading to changes in the electrode potential when the gas molecules interact with the perovskite electrode (Figure 3D) [74].”
From Design Strategies and Emerging Applications of Perovskite-Based Sensors (2025) · cites this paper as [74]
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Design Strategies and Emerging Applications of Perovskite-Based Sensors
Li, Y., Ding, Y., Sun, J., Tan, S., Li, Y., Wang, X., Cai, J., Bai, J., Lv, X., Guo, W., et al. (2025) · SmartMat · doi:10.1002/smm2.70022 · Cited by 41 · see citing works
- Authors
- Jamil, A., Fareed, S., Afsar, F., Siddique, F., Sher, F., & Rafiq, M. A.
- Affiliations
- Pakistan Institute of Engineering and Applied Sciences (PK)
- Lahore University of Management Sciences (PK)
- Corresponding author
- Jamil, Arifa
- Fareed, S
- Afsar, F
- Siddique, F
- Sher, F
- Rafiq, M A
- Venue
- Materials Research Express
- Publisher
- IOP Publishing
- Published
- 2019-09-27
- Volume
- 6
- Issue
- 11
- Pages
- 115028
- ISSN
- 2053-1591 (ISSN-L)
- OpenAlex
- W2972751457
- Cited by
- 7
- References
- 0
- Citations by year
- 2025: 1 · 2023: 2 · 2022: 3 · 2021: 1
- FWCI
- 0.36
- Type
- journal article
- Language
- en
- Open access
- closed
- Licence
- Locations
- Materials Research Express (publishedVersion)
- Funders
- Higher Education Commission, Pakistan (IRSIP, NRPU 3662)
- Topics
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Gas Sensing Nanomaterials and Sensors
- Physical Sciences › Materials Science › Materials Chemistry › Dielectric properties of ceramics
- Physical Sciences › Materials Science › Electronic, Optical and Magnetic Materials › Multiferroics and related materials
- Keywords
- Bi5Ti3FeO15, layered perovskites, Aurivillius phase, oxygen gas sensor, dielectric properties, dielectric constant, loss tangent, nanoparticles, solid-state synthesis, gas selectivity, frequency dependence, temperature dependence
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