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Article Dans Une Revue Advances in Natural Sciences : Nanoscience and Nanotechnology Année : 2010

Time-resolved photoluminescence study of CuInS2/ZnS nanocrystals

Résumé

The emission mechanism in ZnS-capped 3-nm CuInS 2 nanocrystals was studied by using time-resolved photoluminescence (TRPL). A typical TRPL spectrum demonstrates two broad emission bands. The spectral shifts as functions of the excitation power density and delay times from the excitation moment prove that both emission bands originate from donor-acceptor pair recombinations. Moreover, the temperature-dependent TRPL measurement revealed the importance of trapping sites in the emission mechanism of CuInS 2 nanocrystals.
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Dates et versions

hal-04171475 , version 1 (26-07-2023)

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Thi Kim Chi Tran, Quang Phuong Le, Quang Liem Nguyen, Liang Li, Peter Reiss. Time-resolved photoluminescence study of CuInS2/ZnS nanocrystals. Advances in Natural Sciences : Nanoscience and Nanotechnology, 2010, 1 (2), pp.025007. ⟨10.1088/2043-6254/1/2/025007⟩. ⟨hal-04171475⟩
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