C-doped TiO2 nanoparticles to detect alcohols with different carbon chains and their sensing mechanism analysis

Dan Zhao; Xianfa Zhang; Lili Sui; Wenjing Wang; Xin Zhou; Xiaoli Cheng; Shan Gao; Yingming Xu; Lihua Huo

doi:10.1016/j.snb.2020.127942

C-doped TiO₂ nanoparticles to detect alcohols with different carbon chains and their sensing mechanism analysis

Dan Zhao
, Xianfa Zhang
, Lili Sui
, Wenjing Wang
, Xin Zhou^*
, Xiaoli Cheng
, Shan Gao
, Yingming Xu
, Lihua Huo

^*Corresponding author for this work

Heilongjiang University
Qiqihar University
School of Chemistry and Chemical Engineering, Harbin Institute of Technology

Research output: Contribution to journal › Article › peer-review

61 Scopus citations

Abstract

C-TiO₂ nanoparticles with the diameter of 30 ± 8 nm were prepared by using a facile template-free solvothermal method, in which the C was induced directly from the raw material itself. The sensor based on C-TiO₂ showed excellent gas-sensing performance to alcohols at the optimal working temperature of 170 °C. Especially, the response increased with the carbon chain lengths increasing from C1 to C5. The response to 100 ppm n-pentanol was 11.12, which was 5.4 times higher than that of the pure anatase TiO_2. Besides, the theoretical calculations, XPS, GC and GC–MS techniques were carried out to explore the gas-sensing mechanism of C-TiO₂ to n-pentanol. The n-pentanol was speculated oxidization to aldehyde and decomposition into carbon dioxide and water eventually.

Original language	English
Article number	127942
Journal	Sensors and Actuators B: Chemical
Volume	312
DOIs	https://doi.org/10.1016/j.snb.2020.127942
State	Published - 1 Jun 2020
Externally published	Yes

Keywords

Alcohol detection
C-TiO
Different carbon chains
Gas sensor
Mechanism analysis

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10.1016/j.snb.2020.127942

Cite this

@article{67988fd38027400aaec0353733a4452a,

title = "C-doped TiO2 nanoparticles to detect alcohols with different carbon chains and their sensing mechanism analysis",

abstract = "C-TiO2 nanoparticles with the diameter of 30 ± 8 nm were prepared by using a facile template-free solvothermal method, in which the C was induced directly from the raw material itself. The sensor based on C-TiO2 showed excellent gas-sensing performance to alcohols at the optimal working temperature of 170 °C. Especially, the response increased with the carbon chain lengths increasing from C1 to C5. The response to 100 ppm n-pentanol was 11.12, which was 5.4 times higher than that of the pure anatase TiO2. Besides, the theoretical calculations, XPS, GC and GC–MS techniques were carried out to explore the gas-sensing mechanism of C-TiO2 to n-pentanol. The n-pentanol was speculated oxidization to aldehyde and decomposition into carbon dioxide and water eventually.",

keywords = "Alcohol detection, C-TiO, Different carbon chains, Gas sensor, Mechanism analysis",

author = "Dan Zhao and Xianfa Zhang and Lili Sui and Wenjing Wang and Xin Zhou and Xiaoli Cheng and Shan Gao and Yingming Xu and Lihua Huo",

note = "Publisher Copyright: {\textcopyright} 2020 Elsevier B.V.",

year = "2020",

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doi = "10.1016/j.snb.2020.127942",

language = "英语",

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journal = "Sensors and Actuators B: Chemical",

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}

TY - JOUR

T1 - C-doped TiO2 nanoparticles to detect alcohols with different carbon chains and their sensing mechanism analysis

AU - Zhao, Dan

AU - Zhang, Xianfa

AU - Sui, Lili

AU - Wang, Wenjing

AU - Zhou, Xin

AU - Cheng, Xiaoli

AU - Gao, Shan

AU - Xu, Yingming

AU - Huo, Lihua

PY - 2020/6/1

Y1 - 2020/6/1

N2 - C-TiO2 nanoparticles with the diameter of 30 ± 8 nm were prepared by using a facile template-free solvothermal method, in which the C was induced directly from the raw material itself. The sensor based on C-TiO2 showed excellent gas-sensing performance to alcohols at the optimal working temperature of 170 °C. Especially, the response increased with the carbon chain lengths increasing from C1 to C5. The response to 100 ppm n-pentanol was 11.12, which was 5.4 times higher than that of the pure anatase TiO2. Besides, the theoretical calculations, XPS, GC and GC–MS techniques were carried out to explore the gas-sensing mechanism of C-TiO2 to n-pentanol. The n-pentanol was speculated oxidization to aldehyde and decomposition into carbon dioxide and water eventually.

AB - C-TiO2 nanoparticles with the diameter of 30 ± 8 nm were prepared by using a facile template-free solvothermal method, in which the C was induced directly from the raw material itself. The sensor based on C-TiO2 showed excellent gas-sensing performance to alcohols at the optimal working temperature of 170 °C. Especially, the response increased with the carbon chain lengths increasing from C1 to C5. The response to 100 ppm n-pentanol was 11.12, which was 5.4 times higher than that of the pure anatase TiO2. Besides, the theoretical calculations, XPS, GC and GC–MS techniques were carried out to explore the gas-sensing mechanism of C-TiO2 to n-pentanol. The n-pentanol was speculated oxidization to aldehyde and decomposition into carbon dioxide and water eventually.

KW - Alcohol detection

KW - C-TiO

KW - Different carbon chains

KW - Gas sensor

KW - Mechanism analysis

UR - https://www.scopus.com/pages/publications/85081197085

U2 - 10.1016/j.snb.2020.127942

DO - 10.1016/j.snb.2020.127942

M3 - 文章

AN - SCOPUS:85081197085

SN - 0925-4005

VL - 312

JO - Sensors and Actuators B: Chemical

JF - Sensors and Actuators B: Chemical

M1 - 127942

ER -

C-doped TiO₂ nanoparticles to detect alcohols with different carbon chains and their sensing mechanism analysis

Abstract

Keywords

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