Matches in SemOpenAlex for { <https://semopenalex.org/work/W3138399559> ?p ?o ?g. }
- W3138399559 endingPage "17876" @default.
- W3138399559 startingPage "17844" @default.
- W3138399559 abstract "The development of highly selective, stable, and sensitive materials for the various gas emissions is a challenging task concerning the numerous applications: environmental control, security systems, energy, and, more recently, biological monitoring. One of the major challenges to reach this activity's requirements is developing nanostructured functional and smart materials that can selectively detect and monitor the gases at high temperatures. The semiconductor materials based on metallic oxides have gained increasing attention within this scenario, especially titanium dioxide (TiO 2 ), due to their excellent properties. The literature presents multiple sensors based on TiO 2 nanoparticles to detect various gases: CO, ethanol, benzene, toluene, NO 2 , O 2 , CO, SO 2 , NO x , NH 3 , Cl 2 , H 2 S, alkanes, among others. This review initially explores some aspects of TiO 2 and its properties regarding the sensor sensitivity's influence. Then, the insertion of noble metals (Ag, Pt, Au, and Ru) and carbon structures (graphene, carbon nanotube, and other carbon forms) was also explored in the search to improve the TiO 2 capacity as a gas sensor. This review focuses on the most significant achievements related to TiO 2 and TiO 2 combined with carbon structures or noble metals for gas sensor applications. Several studies were presented, highlighting the synthesis methods employed, the sensor response/recovery times, and some detection mechanisms after the carbon and noble metal insertion. Finally, the influence of a triple combination between TiO 2 -carbon-metal was also explored." @default.
- W3138399559 created "2021-03-29" @default.
- W3138399559 creator A5003662174 @default.
- W3138399559 creator A5008276642 @default.
- W3138399559 creator A5031206468 @default.
- W3138399559 creator A5055817090 @default.
- W3138399559 creator A5072123036 @default.
- W3138399559 creator A5087764861 @default.
- W3138399559 date "2021-07-01" @default.
- W3138399559 modified "2023-10-10" @default.
- W3138399559 title "TiO2 as a gas sensor: The novel carbon structures and noble metals as new elements for enhancing sensitivity – A review" @default.
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