Facile synthesis of α-Fe 2 O 3 nanoparticles for high-performance CO gas sensor

Cuong, Nguyen Duc; Khiếu, Đinh Quang; Hòa, Trần Thái; Quang, Duong Tuan; Viet, Pham Hung; Лам, Тран Дай; Hòa, Nguyễn Đức; Hiếu, Nguyễn Văn

doi:10.1016/j.materresbull.2015.03.069

Cited by 80 publications

(22 citation statements)

References 42 publications

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“…Hematite α-Fe 2 O 3 is generally more sensitive to alcohols and NO 2 . A lot of papers appeared on different forms of nanostructured α-Fe 2 O 3 [220][221][222] for gas sensing. Adsorption of water acting as a donor has an important influence on its electronic properties [11].…”

Section: α-Fe 2 O 3 (Hematite)mentioning

confidence: 99%

Surface-Controlled Photocatalysis and Chemical Sensing of TiO2, α-Fe2O3, and Cu2O Nanocrystals

et al. 2019

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A relatively new approach to the design of photocatalytic and gas sensing materials is to use the shape-controlled nanocrystals with well-defined facets exposed to light or gas molecules. An abrupt increase in a number of papers on the synthesis and characterization of metal oxide semiconductors such as a TiO2, α-Fe2O3, Cu2O of low-dimensionality, applied to surface-controlled photocatalysis and gas sensing, has been recently observed. The aim of this paper is to review the work performed in this field of research. Here, the focus is on the mechanism and processes that affect the growth of nanocrystals, their morphological, electrical, and optical properties and finally their photocatalytic as well as gas sensing performance.

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Section: α-Fe 2 O 3 (Hematite)mentioning

confidence: 99%

Surface-Controlled Photocatalysis and Chemical Sensing of TiO2, α-Fe2O3, and Cu2O Nanocrystals

et al. 2019

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“…It has been widely studied for the various applications, including magnetic devices, pigments, catalysts, sensors, and medical fields [15]. In gas sensor applications, Fe 2 O 3 has been continuously researched because it can provide high electron mobility, high chemical/thermal stability, multiple functions, and low cost [16,17]. Recently, the nanostructures of Fe 2 O 3 materials have attracted much attention as an effective material for various…”

Section: Introductionmentioning

confidence: 99%

Fast-LPG Sensors at Room Temperature by α-Fe₂O₃/CNT Nanocomposite Thin Films

Chaitongrat

Chaisitsak

2018

Journal of Nanomaterials

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We present performance of a room temperature LPG sensor based on -Fe 2 O 3 /CNT (carbon nanotube) nanocomposite films. The nanocomposite film was fabricated via the metallic Fe catalyst particle on CNTs in which both the catalyst particles and the CNT were simultaneously synthesized by chemical vapor deposition (CVD) synthesis and were subsequently annealed in air to create -Fe 2 O 3 . These methods are simple, inexpensive, and suitable for large-scale production. The structure, surface morphologies, and LPG response of nanocomposite films were investigated. Raman spectroscopy and XPS analysis showed the formation of -Fe 2 O 3 on small CNTs (SWNTs). Morphological analysis using FE-SEM and AFM revealed the formation of the porous surface along with roughness surface. Additionally, the sensing performance of -Fe 2 O 3 /CNTs showed that it could detect LPG concentration at lower value than 25% of LEL with response/recovery time of less than 30 seconds at room temperature. These results suggest that the -Fe 2 O 3 /CNTs films are challenging materials for monitoring LPG operating at room temperature.

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“…Semiconductors have been extensively researched and widely applied in many applications such as thin-film optical devices, biomaterials, catalyst in many reactions [1][2][3][4][5][6]. Among all the semiconductors, titanium dioxide (TiO 2 ) has been the focus of researchers because of its chemical and physical durability, high activity, nontoxicity, and low cost.…”

Section: Introductionmentioning

confidence: 99%

Remarkably enhanced photocatalytic activity by sulfur-doped titanium dioxide in nanohybrids with carbon nanotubes

Khang

Van

Thủy

et al. 2016

Journal of Physics and Chemistry of Solids

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Facile synthesis of α-Fe 2 O 3 nanoparticles for high-performance CO gas sensor

Cited by 80 publications

References 42 publications

Surface-Controlled Photocatalysis and Chemical Sensing of TiO2, α-Fe2O3, and Cu2O Nanocrystals

Surface-Controlled Photocatalysis and Chemical Sensing of TiO2, α-Fe2O3, and Cu2O Nanocrystals

Fast-LPG Sensors at Room Temperature by α-Fe₂O₃/CNT Nanocomposite Thin Films

Remarkably enhanced photocatalytic activity by sulfur-doped titanium dioxide in nanohybrids with carbon nanotubes

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Facile synthesis of α-Fe 2 O 3 nanoparticles for high-performance CO gas sensor

Cited by 80 publications

References 42 publications

Surface-Controlled Photocatalysis and Chemical Sensing of TiO2, α-Fe2O3, and Cu2O Nanocrystals

Surface-Controlled Photocatalysis and Chemical Sensing of TiO2, α-Fe2O3, and Cu2O Nanocrystals

Fast-LPG Sensors at Room Temperature by α-Fe2O3/CNT Nanocomposite Thin Films

Remarkably enhanced photocatalytic activity by sulfur-doped titanium dioxide in nanohybrids with carbon nanotubes

Contact Info

Product

Resources

About

Fast-LPG Sensors at Room Temperature by α-Fe₂O₃/CNT Nanocomposite Thin Films