Enhanced ethanol sensing of Ni-doped SnO2 hollow spheres synthesized by a one-pot hydrothermal method

Li, Zhou; Yi, Jianxin

doi:10.1016/j.snb.2016.11.136

Cited by 93 publications

(43 citation statements)

References 36 publications

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“…Further details of the lattice structure can be observed in Figure 3i through the high-resolution TEM image (HRTEM). A lattice spacing of 0.331 nm and 0.264 nm matches the SnO 2 planes of (110) and (101), respectively [20,21], and the lattice spacing of 0.240 nm is the same as the NiO plane of (111) [22].…”

Section: Resultsmentioning

confidence: 99%

A Simple Dip-Coating Method of SnO2-NiO Composite Thin Film on a Ceramic Tube Substrate for Methanol Sensing

Wang

et al. 2019

Crystals

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In this work, SnO2-NiO composite thin film was successfully grown on a ceramic tube substrate directly by a simple dip-coating method combined with annealing. Characterization analysis demonstrates that uniform SnO2 film consists of a great number of nanospheres and NiO grows on SnO2 as an agglomerated block. In comparison to the pure SnO2 sample, the SnO2-NiO composite thin films gas sensor exhibits superior methanol sensing properties at 225 °C. The gas response to 10 ppm methanol reached 15.12 and the response and recovery times were 8 s and 7 s, respectively. The excellent selectivity and recovery rate are explained by the unique properties of the NiO semiconductor and the higher sensor response is attributed to the pivotal heterojunction effect.

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Section: Resultsmentioning

confidence: 99%

A Simple Dip-Coating Method of SnO2-NiO Composite Thin Film on a Ceramic Tube Substrate for Methanol Sensing

Wang

et al. 2019

Crystals

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“…Thus, HTC has been considered to be a highly feasible carbonization method to produce effective biochar for contaminant adsorption in water purification or soil remediation, renewable energy, and catalysis, as well as functional materials for electrochemical heavy metal sensing . Different sensor materials have been synthesized using hydrothermal reaction from graphene, carbon nanotubes, and metal oxides ( Table ). Biochar nano/microsphere could be formed via the following process: taking biomass precursor like cellulose and semi‐cellulose as an example, the raw material will be firstly hydrolyzed into polysaccharides, mono‐saccharides, and then soluble organic compounds.…”

Section: Synthesis Methods Of Novel Electrode Materials For Electrochmentioning

confidence: 99%

Recent Advances and Perspective on Design and Synthesis of Electrode Materials for Electrochemical Sensing of Heavy Metals

Hou

Zeinu

Gao

et al. 2018

Energy & Environ Materials

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The increase in release of toxic heavy metals into natural water attracts much attention due to its devastating effect on ecology and human health. The design and implementation of green electrode materials is pivotal for improving the electrochemical performance of in situ heavy metal monitoring. This work reviews various novel electrode materials and hybrid materials that improve electrochemical detection. Modified green and novel electrode materials offer better performance due to their improved deposition with wide linear and enhanced response under optimized sensing parameters. In particular, recent works related to gold, carbon materials, bismuth, and metal oxide‐based electrodes are reviewed. The environmentally friendly (“green”) characteristics, as well as their versatility and flexibility, are especially emphasized. In addition, synthesis methods and novel designs of electrode integration are highlighted. Most of the substantial achievements as well as breakthroughs in recent years are surveyed, and the challenges and prospective in this field are also identified.

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“…This might be attributed to the lower electronegativity of Ni to that of Sn, which resulted in a larger screening effect for the O atoms. 24 The shi in the Sn 3d and O 1s peaks also suggested the formation of a Ni-doped SnO 2 solid solution rather than a NiO/SnO 2 composite. 21 The relative percentages of the surface adsorbed oxygen were about 40.2%, 74.2%, 68.6% and 50.7% for S0, S1, S2 and S3, respectively.…”

Section: Phase Structure and Compositionmentioning

confidence: 96%

The role of oxygen vacancies in the sensing properties of Ni substituted SnO₂ microspheres

et al. 2018

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Enhanced ethanol sensing of Ni-doped SnO2 hollow spheres synthesized by a one-pot hydrothermal method

Cited by 93 publications

References 36 publications

A Simple Dip-Coating Method of SnO2-NiO Composite Thin Film on a Ceramic Tube Substrate for Methanol Sensing

A Simple Dip-Coating Method of SnO2-NiO Composite Thin Film on a Ceramic Tube Substrate for Methanol Sensing

Recent Advances and Perspective on Design and Synthesis of Electrode Materials for Electrochemical Sensing of Heavy Metals

The role of oxygen vacancies in the sensing properties of Ni substituted SnO₂ microspheres

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Enhanced ethanol sensing of Ni-doped SnO2 hollow spheres synthesized by a one-pot hydrothermal method

Cited by 93 publications

References 36 publications

A Simple Dip-Coating Method of SnO2-NiO Composite Thin Film on a Ceramic Tube Substrate for Methanol Sensing

A Simple Dip-Coating Method of SnO2-NiO Composite Thin Film on a Ceramic Tube Substrate for Methanol Sensing

Recent Advances and Perspective on Design and Synthesis of Electrode Materials for Electrochemical Sensing of Heavy Metals

The role of oxygen vacancies in the sensing properties of Ni substituted SnO2 microspheres

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The role of oxygen vacancies in the sensing properties of Ni substituted SnO₂ microspheres