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Cited by 322

The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.

A generalized theory of an electrolyte-insulator-semiconductor field-effect transistor

Fung, C.D., Cheung, P.W., Ko, W.H.·1986·IEEE Transactions on Electron Devices

Abstract

A model of surface ionization and complexation of surface hydroxyl groups on the gate insulator surface is adapted in conjunction with electronic device physics to arrive at a generalized theory for the current-voltage characteristics of an electrolyte-insulator-semiconductor field-effect transistor (EISFET) in electrolyte solutions. EISFET's that employ thermally grown silicon dioxide were tested in simple electrolytes that contain Na+, K+, and Li+ions titrated in apH range from 2 to 9. Experimental results show good agreement with the theory. The model successfully explainspH sensitivity, as well as the ion interference effect, of the EISFET working as apH sensor. From this model, it is conluded that, among all the electrolyte parameters associated with an EISFET, the surface site density of the hydroxyl groups Nsand the separation of surface ionization constants\Delta pKare the primary factors to consider when employing EISFET's aspH sensors. For high sensitivity and good selectivity, large Nsand small\Delta pKvalues are required.

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Metadata

Authors
Fung, C. D., Cheung, P. W., & Ko, W. H.
Venue
IEEE Transactions on Electron Devices
Published
1986-01
Volume
33
Issue
1
Pages
8-18
ISSN
  • 0018-9383 (ISSN-L)
  • 1557-9646
OpenAlex
W1979127249
Cited by
322
References
1
FWCI
3.02
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: A generalized theory of an electrolyte-insulator-semiconductor field-effect transistor. https://app.cochat.ai/papers/10.1109/t-ed.1986.22429
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Fung, C. D., Cheung, P. W., & Ko, W. H. (1986). A generalized theory of an electrolyte-insulator-semiconductor field-effect transistor. IEEE Transactions on Electron Devices. https://doi.org/10.1109/t-ed.1986.22429

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