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. 2020 Jul 8;11:3414. doi: 10.1038/s41467-020-17248-8

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© The Author(s) 2020

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 8 — a AFM image of a nanocube-based hybrid nano-emitter. The polymer lobes contain a single or a few QDs. b, c PL spectrum time trace of t = 50 s excited by linearly polarized laser along ϕ = 0° at 405 nm. In b, at time t = 32 s, the polarization direction is rotated to ϕ = 90°. d g⁽²⁾ measurement showing g⁽²⁾(0) = 0.35. e Typical lifetime measurement on a single-QD hybrid nano-emitter, lifetime ∼0.725 ns. The blue curve represents the instrumentation response function of 0.63 ns. f Lifetime measurements. Comparison between single QD in polymer without gold nanocubes (measure: red curve, fitting: black curve 17.5 ns) and single QD in the vicinity of a gold nanocube (hybrid nano-emitter: yellow curve).