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Title | Time-resolved and Temperature-dependent Broadband Emission of Plasmon-coupled Quantum Dots |
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Author | Rice, Quinton; Raut, Sangram; Chib, Raul; Gryczynski, Zygmunt; Gryczynski, Ignacy; Wang, Andrew; Yu, William Y.; Tabibi, Bagher; Seo, Felix Jaetae |
Date | 2020-11-15 |
Abstract | The broadband photoluminescence (PL) emissions from CdSe QDs and plasmon-coupled QDs were characterized with time-resolved and temperature-dependent spectroscopy for the application of solid-state white light. The origin of broad spectral emission includes the transitions from bandedge and surface-trapped states. The emission intensity enhancement of plasmon-coupled QDs with respect to that of bare QDs is attributable to the reduction of nonradiative decay and the local field enhancement with plasmon-exciton coupling through the Coulomb interaction. The temperature-dependent and time-resolved PL spectroscopy revealed the existence of selective contribution strength of both the local field enhancement and the reduction of nonradiative decay with plasmon-exciton coupling at different spectral regions. |
Link | https://doi.org/10.32732/jma.2020.9.2.99
https://repository.tcu.edu/handle/116099117/43819 http://www.xpublication.com/index.php/jma/article/download/461/271 |
Department | Physics and Astronomy |
Subject | Time-resolved spectroscopy
Temperature-dependent Plasmon-coupled quantum dots |