Surface passivation of (100) InP by organic thiols and polyimide as characterized by steady-state photoluminescence

M. Schvartzman, V. Sidorov, D. Ritter, Y. Paz

Research output: Contribution to journalArticlepeer-review

39 Scopus citations

Abstract

A method for the passivation of indium phosphide, based on thiolated organic self-assembled monolayers (SAMs) that form highly ordered, close-packed structures on the semiconductor surface, is presented. It is shown that the intensity of steady-state photoluminescence (PL) of n-type InP wafers covered with the thiolated SAMs increases significantly (as much as 14-fold) upon their covering with the monolayers. The ease with which one can tailor the outer functional groups of the SAMs provides a way to connect this new class of passivators with standard encapsulators, such as polyimide. Indeed, the PL intensity of SAM-coated InP wafers was not altered upon their overcoating with polyimide, despite the high curing temperature of the polymer (200 °C).

Original languageEnglish
Pages (from-to)L68-L71
JournalSemiconductor Science and Technology
Volume16
Issue number10
DOIs
StatePublished - 1 Oct 2001
Externally publishedYes

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering
  • Materials Chemistry

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