Ambient temperature operable Bi-Co ferrite NO2 sensors with high sensitivity and selectivity

Mutkule, Sandesh U.; Tehare, Kailas K.; Gore, Shyam K.; Gunturu, Krishna Chaitanya; Mane, Rajaram S.

doi:10.1016/j.materresbull.2019.03.012

Search citation statements

Order By: Relevance

Paper Sections

Select...

Gas Sensing Mechanism1

Citation Types

Supporting

Mentioning

Contrasting

Year Published

2021

2024

Publication Types

Select...

Article4

Preprint1

Book1

Relationship

Self Cite0

Independent6

Authors

Journals

Cited by 13 publications

(1 citation statement)

References 62 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…As mentioned in the literature, AgFeO 2 has a narrow band gap. [26,42] During the gas sensing, the electrons are transferred from the conduction band of AgFeO 2 to oxygen resulting in the formation of negative oxygen ions according to the following reactions [39,43]. This process results in thinning of the electron depletion layer and therefore, decrease in the sensor's resistance.…”

Section: Gas Sensing Mechanismmentioning

confidence: 99%

Low Temperature NO2 Gas Sensing by Delafossite-Structured AgFeO2 Nanograins

More,

Bhise,

Zirpe

et al. 2024

Preprint

View full text Add to dashboard Cite

Nitrogen Dioxide (NO2) gas monitoring has become increasingly important to ensure the safety of human lives and the environment. The present study investigates the potential of low-cost delafossite-structured AgFeO2 nanoparticles to detect NO2 gas at low temperature. Highly porous, grain-like AgFeO2 nanoparticles were prepared by simple co-precipitation method and characterized using XRD, FESEM-EDS, TEM and BET analysis.AgFeO2 nanograins synthesized by conventional method, demonstrated gas-sensing performance with respect to sensitivity (1.89%), short response (51s) and, selectivity at low temperature of 50 oC, towards 8 ppm NO2 gas.

show abstract

Section: Gas Sensing Mechanismmentioning

confidence: 99%