A surfactant dispersed N-doped carbon sphere-poly(vinyl alcohol) composite as relative humidity sensor

Bruno B. Cunha; Márcia W.C.C. Greenshields; Messai A. Mamo; Neil J. Coville; Ivo A. Hümmelgen

doi:10.1007/s10854-015-2966-7

A surfactant dispersed N-doped carbon sphere-poly(vinyl alcohol) composite as relative humidity sensor

Bruno B. Cunha, Márcia W.C.C. Greenshields, Messai A. Mamo, Neil J. Coville, Ivo A. Hümmelgen

Chemical Sciences

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

18 Citations (Scopus)

Abstract

We report on the use of a composite of N-doped carbon spheres dispersed with hexadecyltrimethylammonium bromide in poly(vinyl alcohol) as an active material for thin film relative humidity (RH) sensors prepared on interdigitated electrodes (IDEs) with gaps of 0.1 or 0.3 mm. The sensors respond to RH variations in the range 9–97 RH % presenting sensitivity (relative variation of conductance per RH variation) up to 1.7 × 10³ (IDE with gap of 0.1 mm) and 8.7 × 10² (IDE with gap of 0.3 mm). The response times were 19 and 8 s, and the recovery times were 178 and 142 s, respectively.

Original language	English
Pages (from-to)	4198-4201
Number of pages	4
Journal	Journal of Materials Science: Materials in Electronics
Volume	26
Issue number	6
DOIs	https://doi.org/10.1007/s10854-015-2966-7
Publication status	Published - 1 Jun 2015

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Condensed Matter Physics
Electrical and Electronic Engineering

Access to Document

10.1007/s10854-015-2966-7

Cite this

@article{1d57181f1dae48f8994cffc1fa65bb56,

title = "A surfactant dispersed N-doped carbon sphere-poly(vinyl alcohol) composite as relative humidity sensor",

abstract = "We report on the use of a composite of N-doped carbon spheres dispersed with hexadecyltrimethylammonium bromide in poly(vinyl alcohol) as an active material for thin film relative humidity (RH) sensors prepared on interdigitated electrodes (IDEs) with gaps of 0.1 or 0.3 mm. The sensors respond to RH variations in the range 9–97 RH % presenting sensitivity (relative variation of conductance per RH variation) up to 1.7 × 103 (IDE with gap of 0.1 mm) and 8.7 × 102 (IDE with gap of 0.3 mm). The response times were 19 and 8 s, and the recovery times were 178 and 142 s, respectively.",

author = "Cunha, {Bruno B.} and Greenshields, {M{\'a}rcia W.C.C.} and Mamo, {Messai A.} and Coville, {Neil J.} and H{\"u}mmelgen, {Ivo A.}",

note = "Publisher Copyright: {\textcopyright} 2015, Springer Science+Business Media New York.",

year = "2015",

month = jun,

day = "1",

doi = "10.1007/s10854-015-2966-7",

language = "English",

volume = "26",

pages = "4198--4201",

journal = "Journal of Materials Science: Materials in Electronics",

issn = "0957-4522",

publisher = "Springer New York",

number = "6",

}

TY - JOUR

T1 - A surfactant dispersed N-doped carbon sphere-poly(vinyl alcohol) composite as relative humidity sensor

AU - Cunha, Bruno B.

AU - Greenshields, Márcia W.C.C.

AU - Mamo, Messai A.

AU - Coville, Neil J.

AU - Hümmelgen, Ivo A.

PY - 2015/6/1

Y1 - 2015/6/1

N2 - We report on the use of a composite of N-doped carbon spheres dispersed with hexadecyltrimethylammonium bromide in poly(vinyl alcohol) as an active material for thin film relative humidity (RH) sensors prepared on interdigitated electrodes (IDEs) with gaps of 0.1 or 0.3 mm. The sensors respond to RH variations in the range 9–97 RH % presenting sensitivity (relative variation of conductance per RH variation) up to 1.7 × 103 (IDE with gap of 0.1 mm) and 8.7 × 102 (IDE with gap of 0.3 mm). The response times were 19 and 8 s, and the recovery times were 178 and 142 s, respectively.

AB - We report on the use of a composite of N-doped carbon spheres dispersed with hexadecyltrimethylammonium bromide in poly(vinyl alcohol) as an active material for thin film relative humidity (RH) sensors prepared on interdigitated electrodes (IDEs) with gaps of 0.1 or 0.3 mm. The sensors respond to RH variations in the range 9–97 RH % presenting sensitivity (relative variation of conductance per RH variation) up to 1.7 × 103 (IDE with gap of 0.1 mm) and 8.7 × 102 (IDE with gap of 0.3 mm). The response times were 19 and 8 s, and the recovery times were 178 and 142 s, respectively.

UR - http://www.scopus.com/inward/record.url?scp=84939988342&partnerID=8YFLogxK

U2 - 10.1007/s10854-015-2966-7

DO - 10.1007/s10854-015-2966-7

M3 - Article

AN - SCOPUS:84939988342

SN - 0957-4522

VL - 26

SP - 4198

EP - 4201

JO - Journal of Materials Science: Materials in Electronics

JF - Journal of Materials Science: Materials in Electronics

IS - 6

ER -

A surfactant dispersed N-doped carbon sphere-poly(vinyl alcohol) composite as relative humidity sensor

Abstract

ASJC Scopus subject areas

Access to Document

Other files and links

Fingerprint

Cite this