Journal ArticleDOI
In Situ Growth of NiO@SnO2 Hierarchical Nanostructures for High Performance H2S Sensing
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TLDR
Here, NiO nanowalls decorated by SnO2 nanoneedles (NiO@SnO2) were in situ grown on ceramic microchips via a chemical bath deposition method to detect H2S instead of print- coating and slurry-coating methods.Abstract:
Heterostructured metal oxides with large specific surface area are crucial for constructing gas sensors with high performance. However, using slurry-coating and screen-printing methods to fabricate...read more
Citations
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Gas Sensors Based on Chemi-Resistive Hybrid Functional Nanomaterials
TL;DR: This review gives a thinking based on the generic mechanisms rather than simply dividing them as different types of combination of materials, which is unique and valuable for understanding and developing the novel hybrid materials in the future.
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Gas sensing performance of 2D nanomaterials/metal oxide nanocomposites: a review
TL;DR: In this article, a comprehensive summary of the current advancements in 2D/metal-oxide based heterostructures as gas sensors is provided, and the underlying sensing mechanisms of various kinds of gas sensors are systematically described.
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Toward Optimized Radial Modulation of the Space-Charge Region in One-Dimensional SnO2-NiO Core-Shell Nanowires for Hydrogen Sensing.
TL;DR: The remarkable performance of the SnO 2/NiO CSNWs sensors toward hydrogen is attributed to the high surface to volume ratio of the 1D SnO2 core-NWs, the conformal NiO shell layer, and the optimized shell layer thickness radially modulating the space-charge regions.
Journal ArticleDOI
Recent advances in SnO2 nanostructure based gas sensors
TL;DR: In this article , a review focusing on tin oxide nanomaterials, which are substances that are being actively researched as semiconductor-type gas sensors, is presented, revealing that dimension and morphology affect the sensing performance, and the dendritic structure in which 2D nanosheets are connected by crystal growth points the direction for future sensor development.
Journal ArticleDOI
Self-Assembled SnO2/SnSe2 Heterostructures: A Suitable Platform for Ultrasensitive NO2 and H2 Sensing.
Valentina Paolucci,Gianluca D'Olimpio,Chia Nung Kuo,Chin-Shan Lue,Danil W. Boukhvalov,Danil W. Boukhvalov,Carlo Cantalini,Antonio Politano +7 more
TL;DR: The results pave the way for a novel generation of ambient-stable gas sensor based on self-assembled heterostructures formed taking advantage on the natural interaction of substoichiometric van der Waals semiconductors with air.
References
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Journal ArticleDOI
Nanoscale metal oxide-based heterojunctions for gas sensing: A review
TL;DR: In this paper, the dominant electronic and chemical mechanisms that influence the performance of metal-oxide-based resistive-type gas sensors are discussed, including p-n and n-n potential barrier manipulation, n-p-n response type inversions, spillover effects, synergistic catalytic behavior, and microstructure enhancement.
Journal ArticleDOI
Direction-Specific Interactions Control Crystal Growth by Oriented Attachment
Dongsheng Li,Michael H. Nielsen,Michael H. Nielsen,Jonathan R. I. Lee,Cathrine Frandsen,Jillian F. Banfield,Jillian F. Banfield,James J. De Yoreo +7 more
TL;DR: High-resolution transmission electron microscopy using a fluid cell to directly observe oriented attachment of iron oxyhydroxide nanoparticles shows strong, highly direction-specific interactions drive crystal growth via oriented attachment.
Journal ArticleDOI
Transparent conducting p-type NiO thin films prepared by magnetron sputtering
TL;DR: In this article, a semitransparent thin film pin diode consisting of p-type nickel oxide (NiO) semiconductors was fabricated on a glass substrate and an average transmittance above 20% in the visible range was achieved.
Journal ArticleDOI
Hierarchical SnO2 Nanostructures Made of Intermingled Ultrathin Nanosheets for Environmental Remediation, Smart Gas Sensor, and Supercapacitor Applications
TL;DR: Because of the unique morphology and the fast ion and electron transfer characteristics, the prepared HTNs show excellent supercapacitor performances.
Journal ArticleDOI
Sensitive Room-Temperature H2S Gas Sensors Employing SnO2 Quantum Wire/Reduced Graphene Oxide Nanocomposites
Zhilong Song,Zeru Wei,Baocun Wang,Luo Zhen,Songman Xu,Wenkai Zhang,Haoxiong Yu,Min Li,Zhao Huang,Jianfeng Zang,Fei Yi,Huan Liu +11 more
TL;DR: In this paper, the authors demonstrate sensitive room-temperature H2S gas sensors based on SnO2 quantum wires that are anchored on reduced graphene oxide (rGO) nanosheets.