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Photoluminescence of geminate and non-geminate pairs in amorphous semiconductors

Singh, Jai (2006). Photoluminescence of geminate and non-geminate pairs in amorphous semiconductors. Journal of Non-Crystalline Solids,352(9-20 SPEC. ISS.):1160-1162.

Document type: Journal Article
Citation counts: Scopus Citation Count Cited 3 times in Scopus Article | Citations

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IRMA ID 80801245xPUB57
Title Photoluminescence of geminate and non-geminate pairs in amorphous semiconductors
Author Singh, Jai
Journal Name Journal of Non-Crystalline Solids
Publication Date 2006
Volume Number 352
Issue Number 9-20 SPEC. ISS.
ISSN 0022-3093   (check CDU catalogue open catalogue search in new window)
Scopus ID 2-s2.0-33744544883
Start Page 1160
End Page 1162
Total Pages 3
Place of Publication Netherlands
Publisher Elsevier
Field of Research 0204 - Condensed Matter Physics
0912 - Materials Engineering
HERDC Category C1 - Journal Article (DEST)
Abstract Rates of radiative recombination of geminate and non-geminate pairs and the corresponding lifetimes are calculated at thermal equilibrium. It is shown that two kinds of geminate recombinations occur in amorphous semiconductors: (I) through the recombination of the usual geminate pairs (non-excitonic) and (II) through the recombination of those excitons that have relaxed to the tail states. The latter geminate pairs can exist in singlet and triplet spin states, only singlet is considered here, whereas former ones do not have spin dependence. Examples of recent observations and their comparison with the theoretical results are presented.
DOI http://dx.doi.org/10.1016/j.jnoncrysol.2005.11.098   (check subscription with CDU E-Gateway service for CDU Staff and Students  check subscription with CDU E-Gateway in new window)
 
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