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Electronic properties of junctions between silicon and organic conducting polymers

Sailor, Michael J. and Klavetter, Floyd L. and Grubbs, Robert H. and Lewis, Nathan S. (1990) Electronic properties of junctions between silicon and organic conducting polymers. Nature, 346 (6280). pp. 155-157. ISSN 0028-0836. https://resolver.caltech.edu/CaltechAUTHORS:20150408-101436954

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Abstract

Diodes formed from semiconductor/metal interfaces often display non-ideal electronic properties. For instance, silicon/metal (Schottky) diodes made from n-type silicon and a variety of contacting metals exhibit only small differences in their rectification properties, despite theoretical and practical expectations that changes in the metal should effect changes in device properties. Similarly, Schottky diodes formed on p-type silicon generally exhibit ohmic behaviour with poor rectification characteristics. This lack of electrical response to changes in the properties of the contacting metal phase is generally attributed to interfacial reactions that take place during the high-temperature thermal or electron-beam deposition of metals onto silicon. Here we describe the fabrication of diodes using a low-temperature chemical procedure, in which contact to the semiconductor is made by a layer of the conducting organic polymer, polyacetylene. Unlike conventional metals, the electrical properties of polyacetylene can be manipulated through choice of the polymer dopant. The resultant organic/inorganic interfaces behave more ideally than contacts with conventional metals, in that changes in the electrical properties of the conducting polymer exert a large and predictable effect on the electrical properties of the resulting semiconductor/polymer diodes.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1038/346155a0 DOIArticle
http://www.nature.com/nature/journal/v346/n6280/abs/346155a0.htmlPublisherArticle
ORCID:
AuthorORCID
Grubbs, Robert H.0000-0002-0057-7817
Lewis, Nathan S.0000-0001-5245-0538
Additional Information:© 1990 Nature Publishing Group. Received 19 March; accepted 18 May 1990. We thank J. Toth for discussions. This work was supported by the NSF and The Office of Naval research. This is contribution 8088 from the Division of Chemistry and Chemical Engineering, California Institute of Technology.
Funders:
Funding AgencyGrant Number
NSFUNSPECIFIED
Office of Naval Research (ONR)UNSPECIFIED
Other Numbering System:
Other Numbering System NameOther Numbering System ID
Caltech Division of Chemistry and Chemical Engineering8088
Issue or Number:6280
Record Number:CaltechAUTHORS:20150408-101436954
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20150408-101436954
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:56477
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:08 Apr 2015 20:44
Last Modified:03 Oct 2019 08:14

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