Electrical characterization of semiconductor oxide-based gas sensors using impedance spectroscopy: A review

F Schipani, DR Miller, MA Ponce… - Reviews in …, 2016 - ingentaconnect.com
Impedance spectroscopy is essential in understanding the physical and chemical processes
that affect the electronic behavior of semiconducting metal oxide-based gas sensor …

Tuning structural, optical, and gas sensing properties of ceria-based materials by rare-earth doping

PP Ortega, B Hangai, H Moreno, LSR Rocha… - Journal of Alloys and …, 2021 - Elsevier
In this study, we investigate the influence of rare-earth dopants on the structural, optical, gas
sensing properties of Ce 1-(3/4) x RE x O 2 (RE= Eu, La; x= 0.0 and 0.08) nanoparticles …

Conduction mechanisms in SnO2 single-nanowire gas sensors: An impedance spectroscopy study

F Schipani, DR Miller, MA Ponce, CM Aldao… - Sensors and Actuators B …, 2017 - Elsevier
Results of studies on single and multiple SnO 2 nanowire gas sensors with impedance
spectroscopy are reported. Equivalent circuit modeling is used to draw fundamental …

MOF-derived SnO2 nanoparticles for realization of ultrasensitive and highly selective NO2 gas sensing

SM Majhi, JY Kim, A Mirzaei, SG Surya, HW Kim… - Sensors and Actuators B …, 2024 - Elsevier
Abstract Herein, SnO 2 nanoparticles (NPs) were synthesized from a Sn-metal organic
framework (MOF) through a hydrothermal synthesis approach for NO 2 sensing studies. The …

Structural and optical characterization of p-type highly Fe-doped SnO2 thin films and tunneling transport on SnO2: Fe/p-Si heterojunction

WBH Othmen, ZB Hamed, B Sieber, A Addad… - Applied Surface …, 2018 - Elsevier
Abstract Nanocrystalline highly Fe-doped SnO 2 thin films were prepared using a new
simple sol-gel method with iron amounts of 5, 10, 15 and 20%. The obtained gel offers a …

Gas sensor based on samarium oxide loaded mulberry-shaped tin oxide for highly selective and sub ppm-level acetone detection

Y Zhang, L Zhou, Y Liu, D Liu, F Liu, F Liu, X Yan… - Journal of colloid and …, 2018 - Elsevier
Mulberry-shaped tin oxide (SnO 2) hierarchical architectures and samarium oxide (Sm 2 O
3) loaded tin oxide with different amounts (0.5, 1, 2.5, and 4 mol% Sm 2 O 3) were …

H2S sensor based on SnO2 nanostructured film prepared by high current heating

W Nakla, A Wisitsora-At, A Tuantranont… - Sensors and Actuators B …, 2014 - Elsevier
In this work, SnO 2 nanostructures prepared by a new high current heating (HCH) route are
systematically studied for H 2 S gas sensing applications. In addition, their gas-sensing …

Identification of the Mechanism of Electrocatalytic Ozone Generation on Ni/Sb-SnO2

PA Christensen, PS Attidekou, RG Egdell… - The Journal of …, 2017 - ACS Publications
This paper reports a systematic study of the codoping of SnO2 with Sb and Ni to identify the
mechanism responsible for the electrocatalytic generation of ozone on Ni/Sb-SnO2. On the …

Study of the oxygen vacancies changes in SnO2 polycrystalline thick films using impedance and photoemission spectroscopies

F Schipani, MA Ponce, E Joanni, FJ Williams… - Journal of Applied …, 2014 - pubs.aip.org
Changes in the concentration of oxygen vacancies within the grains of polycrystalline SnO 2,
due to different atmosphere exposures, were detected using impedance and photoemission …

Zinc oxide thin films for a room temperature dual carbon dioxide and carbon monoxide sensor

F Schipani, EA Villegas, LA Ramajo, R Parra - Journal of Materials …, 2023 - Springer
Zinc oxide was grown onto glass substrates by the spray-pyrolysis technique in order to
obtain thin films of different thicknesses to test their sensing characteristics towards CO2 and …