Selective detection of formaldehyde gas using a Cd-Doped TiO2-SnO2 sensor

Wen Zeng; Tianmo Liu; Zhongchang Wang; Susumu Tsukimoto; Mitsuhiro Saito; Yuichi Ikuhara

doi:10.3390/s91109029

Selective detection of formaldehyde gas using a Cd-Doped TiO₂-SnO₂ sensor

Wen Zeng
, Tianmo Liu^*
, Zhongchang Wang
, Susumu Tsukimoto
, Mitsuhiro Saito
, Yuichi Ikuhara

^*Corresponding author for this work

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

156 Scopus citations

Abstract

We report the microstructure and gas-sensing properties of a nonequilibrium TiO₂-SnO₂ solid solution prepared by the sol-gel method. In particular, we focus on the effect of Cd doping on the sensing behavior of the TiO₂-SnO₂ sensor. Of all volatile organic compound gases examined, the sensor with Cd doping exhibits exclusive selectivity as well as high sensitivity to formaldehyde, a main harmful indoor gas. The key gas-sensing quantities, maximum sensitivity, optimal working temperature, and response and recovery time, are found to meet the basic industrial needs. This makes the Cd-doped TiO₂-SnO₂ composite a promising sensor material for detecting the formaldehyde gas.

Original language	English
Pages (from-to)	9029-9038
Number of pages	10
Journal	Sensors
Volume	9
Issue number	11
DOIs	https://doi.org/10.3390/s91109029
State	Published - Nov 2009
Externally published	Yes

Keywords

Cd doping
Formaldehyde
Gas sensor
TiO-SnO
Volatile organic compound

Access to Document

10.3390/s91109029

Cite this

@article{2d5612c2341b41f8928d83d545573b9a,

title = "Selective detection of formaldehyde gas using a Cd-Doped TiO2-SnO2 sensor",

abstract = "We report the microstructure and gas-sensing properties of a nonequilibrium TiO2-SnO2 solid solution prepared by the sol-gel method. In particular, we focus on the effect of Cd doping on the sensing behavior of the TiO2-SnO2 sensor. Of all volatile organic compound gases examined, the sensor with Cd doping exhibits exclusive selectivity as well as high sensitivity to formaldehyde, a main harmful indoor gas. The key gas-sensing quantities, maximum sensitivity, optimal working temperature, and response and recovery time, are found to meet the basic industrial needs. This makes the Cd-doped TiO2-SnO2 composite a promising sensor material for detecting the formaldehyde gas.",

keywords = "Cd doping, Formaldehyde, Gas sensor, TiO-SnO, Volatile organic compound",

author = "Wen Zeng and Tianmo Liu and Zhongchang Wang and Susumu Tsukimoto and Mitsuhiro Saito and Yuichi Ikuhara",

year = "2009",

month = nov,

doi = "10.3390/s91109029",

language = "英语",

volume = "9",

pages = "9029--9038",

journal = "Sensors",

issn = "1424-8220",

publisher = "Multidisciplinary Digital Publishing Institute (MDPI)",

number = "11",

}

TY - JOUR

T1 - Selective detection of formaldehyde gas using a Cd-Doped TiO2-SnO2 sensor

AU - Zeng, Wen

AU - Liu, Tianmo

AU - Wang, Zhongchang

AU - Tsukimoto, Susumu

AU - Saito, Mitsuhiro

AU - Ikuhara, Yuichi

PY - 2009/11

Y1 - 2009/11

N2 - We report the microstructure and gas-sensing properties of a nonequilibrium TiO2-SnO2 solid solution prepared by the sol-gel method. In particular, we focus on the effect of Cd doping on the sensing behavior of the TiO2-SnO2 sensor. Of all volatile organic compound gases examined, the sensor with Cd doping exhibits exclusive selectivity as well as high sensitivity to formaldehyde, a main harmful indoor gas. The key gas-sensing quantities, maximum sensitivity, optimal working temperature, and response and recovery time, are found to meet the basic industrial needs. This makes the Cd-doped TiO2-SnO2 composite a promising sensor material for detecting the formaldehyde gas.

AB - We report the microstructure and gas-sensing properties of a nonequilibrium TiO2-SnO2 solid solution prepared by the sol-gel method. In particular, we focus on the effect of Cd doping on the sensing behavior of the TiO2-SnO2 sensor. Of all volatile organic compound gases examined, the sensor with Cd doping exhibits exclusive selectivity as well as high sensitivity to formaldehyde, a main harmful indoor gas. The key gas-sensing quantities, maximum sensitivity, optimal working temperature, and response and recovery time, are found to meet the basic industrial needs. This makes the Cd-doped TiO2-SnO2 composite a promising sensor material for detecting the formaldehyde gas.

KW - Cd doping

KW - Formaldehyde

KW - Gas sensor

KW - TiO-SnO

KW - Volatile organic compound

UR - https://www.scopus.com/pages/publications/70849120087

U2 - 10.3390/s91109029

DO - 10.3390/s91109029

M3 - 文章

AN - SCOPUS:70849120087

SN - 1424-8220

VL - 9

SP - 9029

EP - 9038

JO - Sensors

JF - Sensors

IS - 11

ER -

Selective detection of formaldehyde gas using a Cd-Doped TiO₂-SnO₂ sensor

Abstract

Keywords

Access to Document

Other files and links

Fingerprint

Cite this