Photoconductivity and photoluminescence processes in amorphous carbon

Adelina Ilie, J Robertson

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)

Abstract

The photoconductivities of various sp3 bonded amorphous carbons were studied to understand their recombination and photoluminescence processes. At temperatures >200 K, the photoconductivity of each type of carbon does not vary inversely with the paramagnetic defect density, indicating that paramagnetic defects are not the only recombination centres. This effect occurs because carrier demarcation levels lie in the band tails, so both defects and tail states act as recombination centres. The temperature regime
Original languageEnglish
Pages (from-to)793 - 796
Number of pages4
JournalJournal of Non-Crystalline Solids
Volume266-269
Issue number2
DOIs
Publication statusPublished - 1 May 2000

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