Smoke sensor using mass controlled layer-by-layer self-assembly of polyelectrolytes films

Masayoshi Yamada, Seimei Shiratori

Research output: Contribution to journalArticle

36 Citations (Scopus)

Abstract

Remarkable smoke-detecting characteristics were established by forming ultra-thin organic films on an electrode of a quartz crystal microbalance (QCM) by a layer-by-layer sequential adsorption process utilizing polyelectrolytes. The amount of smoke adsorbed onto the polyelectrolyte film was controlled by adjusting the bilayer composition ratio of polycation/polyanion using the automatic dipping machine with a film-mass control system we have developed. The optimization of film structure for the purpose of developing a highly sensitive sensor for smoke was established for the first time. By using a newly built system and these characteristics, an extremely sensitive smoke detector was developed.

Original languageEnglish
Pages (from-to)124-127
Number of pages4
JournalSensors and Actuators, B: Chemical
Volume64
Issue number1-3
Publication statusPublished - 2000 Jun 10

Fingerprint

smoke
Polyelectrolytes
Smoke
Self assembly
self assembly
sensors
Sensors
smoke detectors
Smoke detectors
Quartz crystal microbalances
quartz crystals
dipping
microbalances
adjusting
Control systems
Adsorption
Electrodes
optimization
adsorption
electrodes

Keywords

  • Layer-by-layer adsorption
  • Polyelectrolyte
  • Quartz crystal microbalance
  • Self-assembly
  • Smoke sensor

ASJC Scopus subject areas

  • Analytical Chemistry
  • Electrochemistry
  • Electrical and Electronic Engineering

Cite this

Smoke sensor using mass controlled layer-by-layer self-assembly of polyelectrolytes films. / Yamada, Masayoshi; Shiratori, Seimei.

In: Sensors and Actuators, B: Chemical, Vol. 64, No. 1-3, 10.06.2000, p. 124-127.

Research output: Contribution to journalArticle

Yamada, Masayoshi ; Shiratori, Seimei. / Smoke sensor using mass controlled layer-by-layer self-assembly of polyelectrolytes films. In: Sensors and Actuators, B: Chemical. 2000 ; Vol. 64, No. 1-3. pp. 124-127.
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