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Extended titanium nitride gate field-effect transistor with PVC selective membrane for hydrogen and potassium ion detection

  • Hau Cheng Wang
  • , Tsung Cheng Chen
  • , Hao Yang
  • , Pi Chun Juan
  • , Chia Ming Yang
  • , Chao Sung Lai
  • Chang Gung University
  • Ming Chi University of Technology

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

A 50 nm-thick TiN sensing membrane with nitrogen (N2) ratio modification was firstly used in EGFET for pH sensing. The highest pH sensitivity of 61 mV/pH with linearity of 99.9% could be found in N2 to N2+Ar ratio of 20%. Similar performance could be maintained at least for 250 days. With additional PVC selective membrane of K+ ionophore, sensitivity could be increased to 48.7mV/pK. This developed TiN EGFET could be a potential candidate for pH and pK sensing application.

Original languageEnglish
Title of host publication2014 IEEE International Nanoelectronics Conference, INEC 2014
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781479950379
DOIs
StatePublished - 26 04 2016
EventIEEE International Nanoelectronics Conference, INEC 2014 - Sapporo, Japan
Duration: 28 07 201431 07 2014

Publication series

Name2014 IEEE International Nanoelectronics Conference, INEC 2014

Conference

ConferenceIEEE International Nanoelectronics Conference, INEC 2014
Country/TerritoryJapan
CitySapporo
Period28/07/1431/07/14

Bibliographical note

Publisher Copyright:
© 2014 IEEE.

Keywords

  • EGFET
  • N2 ratio
  • PVC
  • Potassium
  • TiN

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