Silicon carbide photodiodes: Schottky and PINIP structures

Ana M. F. Cabrita, L. Pereira, Donatello Brida, Andreia A. S. Lopes, António J. S. Marques, I. Ferreira, E. Fortunato, R. Martins

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)

Abstract

This work deals with the study of the role of intra-gap density of states and films composition on the colour selection of the collection spectrum of glass/ITO/a-Six:C1-x:H/Al Schottky photodiodes produced in a conventional plasma-enhanced chemical vapour deposition (PECVD) system using as gas sources silane and a controlled mixtures of silane and methane. To do so, properties of the films were investigated, especially the one concerning the determination of the valence controllability of the films produced and the density of bulk states. Besides that, a PINIP device was also produced, using the a-Six:C1-x:layer that lead to the best Schottky diode performances.

Original languageEnglish
Pages (from-to)437-442
Number of pages6
JournalApplied Surface Science
Volume184
Issue number1-4
DOIs
Publication statusPublished - 12 Dec 2001

Keywords

  • Amorphous silicon carbide
  • Colour selection
  • Density of states
  • Schottky junctions

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