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An order-of-magnitude enhancement in the radiative recombination rate is observed in single CdSe/CdS/PMMA colloidal quantum dots when coupled to gold plasmonic resonators, consistent with the measured increase in the excitonic photoluminescence signal.
Polymer-capped colloidal semiconductor quantum dots [1] offer a robust material system for time-resolved analysis and individual control of ultrafast charge carrier dynamics [2]. This goal necessitates a strong enhancement of light-matter interaction. In this work we demonstrate an efficient coupling of individual CdSe/CdS/PMMA quantum dots (QDs) to plasmonic resonators formed out of multiple concentric...
The role of discrete acoustic phonons in radiative emission from single CdSe/CdS/PMMA nanoparticles is analyzed via photoluminescence and lifetime measurements. Controlled coupling between uncharged exciton fine-structure states dramatically enhances the brightness of the lowest-energy transition.
Controlled Suzuki–Miyaura coupling polymerization of 7′‐bromo‐9′,9′‐dioctyl‐fluoren‐2′‐yl‐4,4,5,5‐tetramethyl‐[1,3,2]dioxaborolane initiated by bromo(4‐tert‐butoxycarbonylamino‐phenyl)(tri‐tert‐butylphosphine)palladium (1) or bromo(4‐diethoxyphosphoryl‐phenyl)(tri‐tert‐butylphosphine)palladium (2) yields functionalized polyfluorenes (Mn = 4 × 103 g mol−1, Mw/Mn < 1.2) with a single amine or phosphonic...
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