Drastic change in shape of tetragonal TeO                         2                          nanowires and their application to transparent chemical gas sensors

Sang Sub Kim; Jae Young Park; Sun Woo Choi; Han Gil Na; Ju Chan Yang; Dong Sub Kwak; Hyun Jung Nam; Chang Kwon Hwangbo; Hyoun Woo Kim

doi:10.1016/j.apsusc.2011.08.081

Drastic change in shape of tetragonal TeO ₂ nanowires and their application to transparent chemical gas sensors

Sang Sub Kim, Jae Young Park, Sun Woo Choi, Han Gil Na, Ju Chan Yang, Dong Sub Kwak, Hyun Jung Nam, Chang Kwon Hwangbo, Hyoun Woo Kim

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

27 Scopus citations

Abstract

We have synthesized one-dimensional structures of tellurium dioxide (TeO ₂ ) by heating of tellurium powders. Their morphology was drastically changed as the growth temperature increased in the range of 400-500 °C, in which high-temperature process facilitated the thickening of the stem nanowires, as well as the growth of secondary branches on the stems. The obtained TeO ₂ products were crystalline with tetragonal structure. The TeO ₂ nanowire film exhibited a high transmission rate of about 73%. We have investigated the NO ₂ sensing properties of the as-fabricated TeO ₂ nanowires, in which a linear relationship between sensitivity and the NO ₂ gas concentration was observed. Thus, the TeO ₂ nanowires demonstrated their potential application to transparent chemical sensors.

Original language	English
Pages (from-to)	501-506
Number of pages	6
Journal	Applied Surface Science
Volume	258
Issue number	1
DOIs	https://doi.org/10.1016/j.apsusc.2011.08.081
State	Published - 15 Oct 2011

Keywords

Chemical synthesis
Nanostructures
Transmission electron microscopy

Access to Document

10.1016/j.apsusc.2011.08.081

Cite this

Kim, S. S., Park, J. Y., Choi, S. W., Na, H. G., Yang, J. C., Kwak, D. S., Nam, H. J., Hwangbo, C. K., & Kim, H. W. (2011). Drastic change in shape of tetragonal TeO ₂ nanowires and their application to transparent chemical gas sensors Applied Surface Science, 258(1), 501-506. https://doi.org/10.1016/j.apsusc.2011.08.081

@article{aee4acb816de4cb0b912bfeaaa0e6923,

title = " Drastic change in shape of tetragonal TeO 2 nanowires and their application to transparent chemical gas sensors ",

abstract = " We have synthesized one-dimensional structures of tellurium dioxide (TeO 2 ) by heating of tellurium powders. Their morphology was drastically changed as the growth temperature increased in the range of 400-500 °C, in which high-temperature process facilitated the thickening of the stem nanowires, as well as the growth of secondary branches on the stems. The obtained TeO 2 products were crystalline with tetragonal structure. The TeO 2 nanowire film exhibited a high transmission rate of about 73%. We have investigated the NO 2 sensing properties of the as-fabricated TeO 2 nanowires, in which a linear relationship between sensitivity and the NO 2 gas concentration was observed. Thus, the TeO 2 nanowires demonstrated their potential application to transparent chemical sensors.",

keywords = "Chemical synthesis, Nanostructures, Transmission electron microscopy",

author = "Kim, {Sang Sub} and Park, {Jae Young} and Choi, {Sun Woo} and Na, {Han Gil} and Yang, {Ju Chan} and Kwak, {Dong Sub} and Nam, {Hyun Jung} and Hwangbo, {Chang Kwon} and Kim, {Hyoun Woo}",

year = "2011",

month = oct,

day = "15",

doi = "10.1016/j.apsusc.2011.08.081",

language = "English",

volume = "258",

pages = "501--506",

journal = "Applied Surface Science",

issn = "0169-4332",

publisher = "Elsevier B.V.",

number = "1",

}

Kim, SS, Park, JY, Choi, SW, Na, HG, Yang, JC, Kwak, DS, Nam, HJ, Hwangbo, CK & Kim, HW 2011, ' Drastic change in shape of tetragonal TeO ₂ nanowires and their application to transparent chemical gas sensors ', Applied Surface Science, vol. 258, no. 1, pp. 501-506. https://doi.org/10.1016/j.apsusc.2011.08.081

Drastic change in shape of tetragonal TeO ₂ nanowires and their application to transparent chemical gas sensors . / Kim, Sang Sub; Park, Jae Young; Choi, Sun Woo et al.
In: Applied Surface Science, Vol. 258, No. 1, 15.10.2011, p. 501-506.

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

TY - JOUR

T1 - Drastic change in shape of tetragonal TeO 2 nanowires and their application to transparent chemical gas sensors

AU - Kim, Sang Sub

AU - Park, Jae Young

AU - Choi, Sun Woo

AU - Na, Han Gil

AU - Yang, Ju Chan

AU - Kwak, Dong Sub

AU - Nam, Hyun Jung

AU - Hwangbo, Chang Kwon

AU - Kim, Hyoun Woo

PY - 2011/10/15

Y1 - 2011/10/15

N2 - We have synthesized one-dimensional structures of tellurium dioxide (TeO 2 ) by heating of tellurium powders. Their morphology was drastically changed as the growth temperature increased in the range of 400-500 °C, in which high-temperature process facilitated the thickening of the stem nanowires, as well as the growth of secondary branches on the stems. The obtained TeO 2 products were crystalline with tetragonal structure. The TeO 2 nanowire film exhibited a high transmission rate of about 73%. We have investigated the NO 2 sensing properties of the as-fabricated TeO 2 nanowires, in which a linear relationship between sensitivity and the NO 2 gas concentration was observed. Thus, the TeO 2 nanowires demonstrated their potential application to transparent chemical sensors.

AB - We have synthesized one-dimensional structures of tellurium dioxide (TeO 2 ) by heating of tellurium powders. Their morphology was drastically changed as the growth temperature increased in the range of 400-500 °C, in which high-temperature process facilitated the thickening of the stem nanowires, as well as the growth of secondary branches on the stems. The obtained TeO 2 products were crystalline with tetragonal structure. The TeO 2 nanowire film exhibited a high transmission rate of about 73%. We have investigated the NO 2 sensing properties of the as-fabricated TeO 2 nanowires, in which a linear relationship between sensitivity and the NO 2 gas concentration was observed. Thus, the TeO 2 nanowires demonstrated their potential application to transparent chemical sensors.

KW - Chemical synthesis

KW - Nanostructures

KW - Transmission electron microscopy

UR - http://www.scopus.com/inward/record.url?scp=80054764346&partnerID=8YFLogxK

U2 - 10.1016/j.apsusc.2011.08.081

DO - 10.1016/j.apsusc.2011.08.081

M3 - Article

AN - SCOPUS:80054764346

SN - 0169-4332

VL - 258

SP - 501

EP - 506

JO - Applied Surface Science

JF - Applied Surface Science

IS - 1

ER -

Drastic change in shape of tetragonal TeO ₂ nanowires and their application to transparent chemical gas sensors

Abstract

Keywords

Access to Document

Other files and links

Fingerprint

Cite this