Exciton dynamics in cation-exchanged CdSe/PbSe nanorods: The role of defects

Chemical Physics Letters, pp. 342-346, 2017.

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•CdSe/PbSe type II nanorod heterostructures are prepared by cation exchange.•Transient absorption study reveals significant carrier trapping at defect sites formed in the cation exchange process.•Transient absorption study reveals the reduction of defect density and increase of carrier lifetime by annealing the nanorod.



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