Original paper
Near-infrared two-photon absorption upconversion of PbS/CdS quantum dots prepared by cation exchange method
Abstract
Taking advantage of multi-photon absorption, the semiconductor quantum dots show great potential in the field of bio-logical fluorescence imaging. In this paper, PbS/CdS core-shell quantum dots with the band alignment adjustable from type-I to quasi-type II are prepared through the cation exchange method. The core-shell quantum dots exhibit bright broad-band visible/near-infrared upconversion emission upon the excitation of 1064 nm pulse laser,...
Paper Details
Title
Near-infrared two-photon absorption upconversion of PbS/CdS quantum dots prepared by cation exchange method
Published Date
Aug 1, 2021
Journal
Volume
140
Pages
111298 - 111298
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Notes
History