Q1 Research Application · Frontier Focus

Room temperature gas sensors based on Ce doped TiO2 nanocrystals for highly sensitive NH3 detection

This Chemical Engineering Journal paper (2022) is indexed as a Xianghu equipment application case for XH-800S; key result: Specific surface area 266.9 m2/g.

View DOI Back to Library Chinese Solution
Paper ID 481
Application Focus Room-temperature gas sensor, Rare-earth-doped metal oxide, NH3 detection, Food freshness monitoring, Microwave-assisted nanomaterial synthesis
Key Result Specific surface area 266.9 m2/g
Core Condition Temperature 120 ℃ / 70 ℃
Paper ID
481
Journal
Chemical Engineering Journal
Impact Factor
13.273
CAS Zone
Zone 1
Year
2022
DOI
10.1016/j.cej.2022.136449
Equipment Model
XH-800S
Affiliations
Yangzhou University; College of Mechanical Engineering, Yangzhou University, Yangzhou 225127, PR China; Service de Science des Materiaux, Faculte Polytechnique, Universite de Mons, Mons 7000, Belgium
Research Directions
Room-temperature gas sensor Rare-earth-doped metal oxide NH3 detection Food freshness monitoring Microwave-assisted nanomaterial synthesis

Fact Snapshot

  • Paper: Room temperature gas sensors based on Ce doped TiO2 nanocrystals for highly sensitive NH3 detection
  • Equipment: XH-800S
  • Source: Chemical Engineering Journal, 2022
  • Research direction: NH3
  • Core conditions: Temperature 120 ℃ / 70 ℃, Microwave power 500 W, and Time 1 h / 12 h / 24 h
  • Key results: Specific surface area 266.9 m2/g and Total pore volume 0.299 cm3/g

Research Abstract

Room temperature gas sensors based on Ce doped TiO2 nanocrystals for highly sensitive NH3 detection was published in Chemical Engineering Journal (2022) and is indexed as a Xianghu Q1 application case for XH-800S. The structured source links this paper to NH3. Core operating conditions include Temperature 120 ℃ / 70 ℃, Microwave power 500 W, and Time 1 h / 12 h / 24 h. Key reported results include Specific surface area 266.9 m2/g and Total pore volume 0.299 cm3/g. The DOI recorded for this paper is 10.1016/j.cej.2022.136449.

Research Background and Problem

The paper is positioned around NH3. The equipment record identifies XH-800S as the Xianghu instrument context for this application case. The source affiliation record includes Yangzhou University and College of Mechanical Engineering, Yangzhou University, Yangzhou 225127, PR China.

Equipment Use and Experimental Conditions

ItemParameter
Temperature120 ℃ / 70 ℃
Microwave power500 W
Time1 h / 12 h / 24 h

Key Result

Specific surface area 266.9 m2/g
Total pore volume 0.299 cm3/g
MetricResult
Specific surface area266.9 m2/g
Total pore volume0.299 cm3/g

Evidence Details

Equipment-detail evidence

Equipment-detail evidence: source values include 30 mL, 3 mL, 30 min, 10 mL, 1.5 h, 60 mL, 120 °C, 500 W, 1 h, 70 °C, 12 h. Entities: XH-800G, Ce-TiO2.

Source evidence

The 0.43 at% Ce-TiO2 gas sensor exhibited an improved response/recovery speed (55 s/192 s) towards 10 ppm NH3, while that of pure TiO2 was 83 s and 228 s, respectively.

Storage-stability evidence

Storage-stability evidence: source values include 25 g, 24 h, 6 h, 12-24 h.

Stability evidence

Stability evidence: source values include 23%, 83%. Entities: Ce-TiO2.

Mechanism / Method Highlights

  • Method context: Temperature 120 ℃ / 70 ℃, Microwave power 500 W, and Time 1 h / 12 h / 24 h.
  • Equipment-detail evidence: source values include 30 mL, 3 mL, 30 min, 10 mL, 1.5 h, 60 mL, 120 °C, 500 W, 1 h, 70 °C, 12 h. Entities: XH-800G, Ce-TiO2
  • Source evidence: The 0.43 at% Ce-TiO2 gas sensor exhibited an improved response/recovery speed (55 s/192 s) towards 10 ppm NH3, while that of pure TiO2 was 83 s and 228 s, respectively
  • Storage-stability evidence: source values include 25 g, 24 h, 6 h, 12-24 h
  • Reported outcome: Specific surface area 266.9 m2/g and Total pore volume 0.299 cm3/g.

Application Value

  • Positions XH-800S in a peer-reviewed Q1 research application.
  • Highlights quantitative evidence: Specific surface area 266.9 m2/g and Total pore volume 0.299 cm3/g.
  • Records source affiliations: Yangzhou University and College of Mechanical Engineering, Yangzhou University, Yangzhou 225127, PR China.

Related Equipment

XH-800SE Microwave Hydrothermal Synthesizer
XH-800SE Microwave Hydrothermal Synthesizer

FAQ

Which Xianghu instrument is covered by this page?
The structured source records XH-800S for this paper.
What is the main application direction?
The source tags this paper under NH3.
Which publication does this case come from?
It comes from Chemical Engineering Journal (2022), DOI 10.1016/j.cej.2022.136449.
Citation
Room temperature gas sensors based on Ce doped TiO2 nanocrystals for highly sensitive NH3 detection
Chemical Engineering Journal, 2022
DOI: 10.1016/j.cej.2022.136449