Silver nanoparticle film induced photoluminescence enhancement of near-infrared emitting PbS and PbS/CdS core/shell quantum dots: observation of different enhancement mechanisms

H Y Liang; H G Zhao; Z P Li; C Harnagea; D L Ma

doi:10.1039/c5nr05906b

Silver nanoparticle film induced photoluminescence enhancement of near-infrared emitting PbS and PbS/CdS core/shell quantum dots: observation of different enhancement mechanisms

Nanoscale. 2016 Mar 7;8(9):4882-7. doi: 10.1039/c5nr05906b.

Authors

H Y Liang¹, H G Zhao¹, Z P Li², C Harnagea¹, D L Ma¹

Affiliations

¹ Institut National de la Recherche Scientifique, University of Québec, 1650 Boulevard Lionel-Boulet, Varennes, Québec, J3X 1S2 Canada. [email protected] [email protected].
² Beijing Key Laboratory of Nano-Photonics and Nano-Structure (NPNS), Department of Physics, Capital Normal University, Beijing, 100048 China.

PMID: 26864498
DOI: 10.1039/c5nr05906b

Abstract

The photoluminescence (PL) enhancement of a Ag nanoparticle and near-infrared quantum dots (QD) plasmon/fluorophore system was investigated. Different enhancement mechanisms were obtained by tuning surface plasmon resonance of the Ag film and PL of the QDs. A maximum enhancement factor of 2.8 was achieved.

Publication types

Research Support, Non-U.S. Gov't