Marin, Brandon C. ; Hsu, Su-Wen ; Chen, Li ; Lo, Ashley ; Zwissler, Darwin W. ; Liu, Zhaowei ; Tao, Andrea R. (2016) Plasmon-Enhanced Two-Photon Absorption in Photoluminescent Semiconductor Nanocrystals ACS Photonics, 3 (4). pp. 526-531. ISSN 2330-4022
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Official URL: http://doi.org/10.1021/acsphotonics.6b00037
Related URL: http://dx.doi.org/10.1021/acsphotonics.6b00037
Abstract
In this work, we demonstrate the two-photon fluorescence of covellite-phase copper sulfide nanodisks and investigate the role of the surface plasmon resonance on emission. Using selenium doping, we blue-shift the plasmon resonance toward the two-photon absorption edge. We observed a 3-fold enhancement of emission in these samples and report two-photon action cross sections that are an order of magnitude greater than conventional fluorophores. These nanomaterials offer a novel “all-in-one” platform for engineering plasmon–exciton coupling in the absence of a physical or chemical interface.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Chemical Society. |
| ID Code: | 121048 |
| Deposited On: | 08 Jul 2021 13:31 |
| Last Modified: | 08 Jul 2021 13:31 |
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