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Donor−acceptor pair luminescence in compensated Si for solar cells

Tajima, Michio; Iwai, Takaaki; Toyota, Hiroyuki; Binetti, Simona; Macdonald, Daniel


A broad band with a fine structure on the higher energy side has been commonly observed in photoluminescence at 4.2 K from compensated Si for solar cells involving P donors and B acceptors on the order of 1016 cm⁻³. We calculated the theoretical spectrum of donor−acceptor (DA) pair luminescence from the density distribution of pairs as a function of the transition energy of respective pairs with separations ranging from 1.9 to 3.3 nm. A close agreement was obtained between the observed spectral...[Show more]

CollectionsANU Research Publications
Date published: 2011-08-17
Type: Journal article
Source: Journal of Applied Physics
DOI: 10.1063/1.3622560


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