Selective, sensitive, and reversible detection of H2S using Mo-doped ZnO nanowire network sensors

Hyung Sik Woo; Chang Hoon Kwak; Il Doo Kim; Jong Heun Lee

doi:10.1039/c4ta00387j

Selective, sensitive, and reversible detection of H₂S using Mo-doped ZnO nanowire network sensors

Hyung Sik Woo, Chang Hoon Kwak, Il Doo Kim, Jong Heun Lee

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

95 Citations (Scopus)

Abstract

Mo-doped ZnO nanowire (NW) networks were prepared by coating the MoS ₂ layer through successive ionic layer adsorption and reaction and subsequent heat treatment at 600 °C for 2 h. The resulting Mo-doped ZnO NW network sensor demonstrated a high gas response of 14.11 to 5 ppm H₂S at 300 °C, which is 7.66-11.47 times higher than those of 5 ppm C ₂H₅OH, NH₃, HCHO, CO, H₂, o-xylene, benzene, toluene, and trimethylamine. The reversibility of the sensor signal, as well as the response and selectivity to H₂S, is significantly improved by Mo doping into the ZnO NW networks, which can open various applications to monitor H₂S in an indoor atmosphere, industrial petroleum/gas, and automobile exhaust gas. This journal is

Original language	English
Pages (from-to)	6412-6418
Number of pages	7
Journal	Journal of Materials Chemistry A
Volume	2
Issue number	18
DOIs	https://doi.org/10.1039/c4ta00387j
Publication status	Published - 2014 May 14

ASJC Scopus subject areas

General Chemistry
Renewable Energy, Sustainability and the Environment
General Materials Science

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

Access to Document

10.1039/c4ta00387j

Cite this

@article{07706aebe3ab4bf5b2a414fb0a650d55,

title = "Selective, sensitive, and reversible detection of H2S using Mo-doped ZnO nanowire network sensors",

abstract = "Mo-doped ZnO nanowire (NW) networks were prepared by coating the MoS 2 layer through successive ionic layer adsorption and reaction and subsequent heat treatment at 600 °C for 2 h. The resulting Mo-doped ZnO NW network sensor demonstrated a high gas response of 14.11 to 5 ppm H2S at 300 °C, which is 7.66-11.47 times higher than those of 5 ppm C 2H5OH, NH3, HCHO, CO, H2, o-xylene, benzene, toluene, and trimethylamine. The reversibility of the sensor signal, as well as the response and selectivity to H2S, is significantly improved by Mo doping into the ZnO NW networks, which can open various applications to monitor H2S in an indoor atmosphere, industrial petroleum/gas, and automobile exhaust gas. This journal is",

author = "Woo, {Hyung Sik} and Kwak, {Chang Hoon} and Kim, {Il Doo} and Lee, {Jong Heun}",

year = "2014",

month = may,

day = "14",

doi = "10.1039/c4ta00387j",

language = "English",

volume = "2",

pages = "6412--6418",

journal = "Journal of Materials Chemistry A",

issn = "2050-7488",

publisher = "Royal Society of Chemistry",

number = "18",

}

TY - JOUR

T1 - Selective, sensitive, and reversible detection of H2S using Mo-doped ZnO nanowire network sensors

AU - Woo, Hyung Sik

AU - Kwak, Chang Hoon

AU - Kim, Il Doo

AU - Lee, Jong Heun

PY - 2014/5/14

Y1 - 2014/5/14

N2 - Mo-doped ZnO nanowire (NW) networks were prepared by coating the MoS 2 layer through successive ionic layer adsorption and reaction and subsequent heat treatment at 600 °C for 2 h. The resulting Mo-doped ZnO NW network sensor demonstrated a high gas response of 14.11 to 5 ppm H2S at 300 °C, which is 7.66-11.47 times higher than those of 5 ppm C 2H5OH, NH3, HCHO, CO, H2, o-xylene, benzene, toluene, and trimethylamine. The reversibility of the sensor signal, as well as the response and selectivity to H2S, is significantly improved by Mo doping into the ZnO NW networks, which can open various applications to monitor H2S in an indoor atmosphere, industrial petroleum/gas, and automobile exhaust gas. This journal is

AB - Mo-doped ZnO nanowire (NW) networks were prepared by coating the MoS 2 layer through successive ionic layer adsorption and reaction and subsequent heat treatment at 600 °C for 2 h. The resulting Mo-doped ZnO NW network sensor demonstrated a high gas response of 14.11 to 5 ppm H2S at 300 °C, which is 7.66-11.47 times higher than those of 5 ppm C 2H5OH, NH3, HCHO, CO, H2, o-xylene, benzene, toluene, and trimethylamine. The reversibility of the sensor signal, as well as the response and selectivity to H2S, is significantly improved by Mo doping into the ZnO NW networks, which can open various applications to monitor H2S in an indoor atmosphere, industrial petroleum/gas, and automobile exhaust gas. This journal is

UR - http://www.scopus.com/inward/record.url?scp=84898012505&partnerID=8YFLogxK

U2 - 10.1039/c4ta00387j

DO - 10.1039/c4ta00387j

M3 - Article

AN - SCOPUS:84898012505

SN - 2050-7488

VL - 2

SP - 6412

EP - 6418

JO - Journal of Materials Chemistry A

JF - Journal of Materials Chemistry A

IS - 18

ER -