Mechanistic Insights into WO3 Sensing and Related Perspectives

M Epifani - Sensors, 2022 - mdpi.com
Tungsten trioxide (WO3) is taking on an increasing level of importance as an active material
for chemoresistive sensors. However, many different issues have to be considered when …

[HTML][HTML] Synthesis and characterization of pure and Cu-doped WO3 thin films for high performance of toxic gas sensing applications

SR Sriram, SR Parne, N Pothukanuri… - Applied Surface Science …, 2023 - Elsevier
Oxygen vacancies and the high surface area of nanostructured materials offers stronger gas
adsorption active sites for improved gas sensing performance. In the present work, we have …

Facile Synthesis of Pure and Cr-Doped WO3 Thin Films for the Detection of Xylene at Room Temperature

SR Sriram, SR Parne, N Pothukanuri, D Joshi… - ACS …, 2022 - ACS Publications
This paper focused on the preparation of pure and Cr-doped tungsten trioxide (WO3) thin
films using the spray pyrolysis method. Different techniques were adopted to analyze these …

Synthesis and characterization of spray deposited nanostructured WO3 thin films for ammonia sensing applications

SS Rao, SR Parne, P Nagaraju, VSCS Vaddadi… - Inorganic Chemistry …, 2022 - Elsevier
Nanostructured tungsten oxide (WO 3) thin films are prepared on glass substrates at
different substrate temperatures (350–450° C) using the chemical spray pyrolysis technique …

Nanostructuring of SnO2 Thin Films by Associating Glancing Angle Deposition and Sputtering Pressure for Gas Sensing Applications

AE Mohajir, MAP Yazdi, A Krystianiak, O Heintz… - Chemosensors, 2022 - mdpi.com
SnO2 thin films were prepared by conventional and Glancing Angle Deposition reactive
sputtering, and their gas sensing properties were investigated. The porosity of the as …

Sensing Mechanism and Characterization of NO2 Gas Sensors Using Gold-Black NP-Decorated Ga2O3 Nanorod Sensing Membranes

SY Chu, MJ Wu, TH Yeh, CT Lee, HY Lee - ACS sensors, 2023 - ACS Publications
In this work, a vapor cooling condensation system was utilized to deposit various amounts of
p-type gold-black nanoparticles (NPs) onto the surface of n-type gallium oxide (Ga2O3) …

Flake-Like WO3-Based Thin Films for Enhanced Ethanol Sensing Applications

SR Sriram, N Pothukanuri, SR Parne… - ECS Journal of Solid …, 2023 - iopscience.iop.org
Undoped and vanadium-doped tungsten trioxide (V–WO 3) nanocrystalline thin films were
prepared on glass substrates with spray pyrolysis. The synthesized films were characterized …

[HTML][HTML] Effect of Au nanoparticles on mitigating the negative impacts of humidity on ZnO gas sensors to detect triethylamine at room temperature

A Alaghmandfard, S Fardindoost, M Hoorfar - Applied Surface Science …, 2024 - Elsevier
The impact of humidity on the efficiency of gas sensors has become highlighted in the realm
of gas detection. Due to the complex relationship between humidity and gas sensor …

Ppb-level NO2 gas sensor based on WO3/In2S3 heterostructure by hydrothermal method: a convenient and wearable real-time detection system

D Wang, H Zhao, H Yu, Y Chen, X Ma, E Shang… - Ceramics …, 2024 - Elsevier
Constructing heterostructures is an effective strategy to improve the performance of
semiconductor metal oxide. The heterostructure exhibits strong interaction between tightly …

Enhanced gas sensing performance of sprayed ZnO–ZnWO 4 toward CO gas

MH Sayed, T Dilova, G Atanasova, G Avdeev… - Materials …, 2024 - pubs.rsc.org
Composite ZnO–ZnWO4 films were obtained by a cost-effective chemical spray pyrolysis
approach on a glass substrate using zinc chloride and ammonium metatungstate as starting …