A plastic-based bolometer array sensor using carbon nanotubes for low-cost infrared imaging devices

Kaoru Narita, Ryosuke Kuribayashi, Ersin Altintas, Hiroko Someya, Kenichiro Tsuda, Keishi Ohashi, Toru Tabuchi, Shuichi Okubo, Masaharu Imazato, Shigeyuki Komatsubara

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

We have developed an infrared image sensor based on bolometers on a plastic substrate that is potentially ultra low-cost due to its simple structure consisting of mainly organic materials. The bolometer includes a thermal isolator made of a very low thermal conductive polymer (parylene) and a newly developed, highly sensitive (TCR <-2%/K) carbon nanotube thin film thermistor. Experiment results showed that the responsivity of our sensor was 138 V/W (at VB = 2 V) and the estimated noise equivalent temperature difference (NETD) at room temperature was 1.1 K. The row-column type 64-pixel (8 × 8) array sensor was fabricated and evaluated while the image of a heat source was focused on the sensor array by a Ge lens. Utilizing the test readout circuit based on switching modules, we obtained the images of the heat source and confirmed the basic operation of IR imaging.

Original languageEnglish
Pages (from-to)142-147
Number of pages6
JournalSensors and Actuators, A: Physical
Volume195
DOIs
Publication statusPublished - 2013
Externally publishedYes

Fingerprint

Bolometers
Carbon Nanotubes
Sensor arrays
Infrared imaging
bolometers
Carbon nanotubes
plastics
carbon nanotubes
Plastics
sensors
heat sources
Costs
Thermistors
thermistors
isolators
organic materials
Image sensors
readout
Lenses
temperature gradients

Keywords

  • Bolometer
  • Carbon nanotube
  • Infrared image sensor

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Condensed Matter Physics
  • Electronic, Optical and Magnetic Materials
  • Metals and Alloys
  • Surfaces, Coatings and Films
  • Instrumentation

Cite this

A plastic-based bolometer array sensor using carbon nanotubes for low-cost infrared imaging devices. / Narita, Kaoru; Kuribayashi, Ryosuke; Altintas, Ersin; Someya, Hiroko; Tsuda, Kenichiro; Ohashi, Keishi; Tabuchi, Toru; Okubo, Shuichi; Imazato, Masaharu; Komatsubara, Shigeyuki.

In: Sensors and Actuators, A: Physical, Vol. 195, 2013, p. 142-147.

Research output: Contribution to journalArticle

Narita, K, Kuribayashi, R, Altintas, E, Someya, H, Tsuda, K, Ohashi, K, Tabuchi, T, Okubo, S, Imazato, M & Komatsubara, S 2013, 'A plastic-based bolometer array sensor using carbon nanotubes for low-cost infrared imaging devices', Sensors and Actuators, A: Physical, vol. 195, pp. 142-147. https://doi.org/10.1016/j.sna.2013.03.008
Narita, Kaoru ; Kuribayashi, Ryosuke ; Altintas, Ersin ; Someya, Hiroko ; Tsuda, Kenichiro ; Ohashi, Keishi ; Tabuchi, Toru ; Okubo, Shuichi ; Imazato, Masaharu ; Komatsubara, Shigeyuki. / A plastic-based bolometer array sensor using carbon nanotubes for low-cost infrared imaging devices. In: Sensors and Actuators, A: Physical. 2013 ; Vol. 195. pp. 142-147.
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