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. 2017 May 22;8:15053. doi: 10.1038/ncomms15053

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Copyright © 2017, The Author(s)

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Optical micrograph of 2L WSe₂ (a) before and (b) after the transfer onto the nanopillars. (c) A 2D spatial map of the PL integrated intensity within 700–860 nm. (d) A high resolution spatial map of integrated intensity of the six nanopillars indicated in c. The red circles mark the positions of emitters in h. (e) A histogram of the wavelengths of the 2L WSe₂ emitters. (f) Photon auto-correlation histogram from the bi-layer emitter at nanopillar #1 of Fig. 1. A fit using g⁽²⁾(0)=0.03±0.02 and τ=4.8±0.1 ns is shown. (g) A histogram of the spectral jitter over 20 h (3 s time-bin) of the emitter at nanopillar #1 of Fig. 1. (h) PL spectra from the emitter positions identified in d with red circles.