Evidence for deviations from a single-exponential distribution of conduction band tail states in hydrogenated amorphous silicon: A transient photocurrent analysis

D. P. Webb, X. C. Zou, Y. C. Chan, Y. W. Lam, S. H. Lin, X. Y. Lin, K. X. Lin, S. K. O'Leary, P. K. Lim

Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

Abstract

We employ transient photocurrent decay measurements to determine the distribution of conduction band tail states in hydrogenated amorphous silicon. It is found that these experimental results suggest the possibility of deviations from a single-exponential functional form. This is consistent with other more recent experimental determinations of the distribution of conduction band tail states in hydrogenated amorphous silicon. © 1997 Elsevier Science Ltd.
Original languageEnglish
Pages (from-to)239-242
JournalSolid State Communications
Volume105
Issue number4
DOIs
Publication statusPublished - Jan 1998

Research Keywords

  • A. disordered systems
  • A. semiconductors
  • A. thin films
  • D. electronic states

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