Article ID Journal Published Year Pages File Type
703134 Diamond and Related Materials 2007 8 Pages PDF
Abstract

The chemical functionalization and the resulting electrical properties of diamond thin-film transistors (TFTs) modified with organic monolayer films have been explored. Chemical processing steps were developed to produce amine-terminated surfaces in a manner compatible with pre-existing front-surface metal contacts and dielectric protecting layers. The electrical properties of the monolayer-modified TFTs fabricated using different procedures were investigated. Interchanging the order of the functionalization and contact deposition steps changes the devices transconductance by a factor of 100. Electrical measurements of thin-film transistor devices with three different molecular terminating groups show significant changes in threshold voltage that correspond with the expected charges of the functional groups.

Related Topics
Physical Sciences and Engineering Engineering Electrical and Electronic Engineering
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