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In article number 1904390, Lena Yadgarov and co‐workers present how the extinction spectrum of size‐fractionated nanotubes show that WS2 nanotubes with (average) diameter larger than 80 nm exhibit strong coupling effect (polaritons) and scatter light, while nanotubes with diameter below 60 nm show pure absorption with the A, B and C excitons clearly visible in the spectrum.
Multiwall WS2 nanotubes (and fullerene‐like nanoparticles thereof) are currently synthesized in large amounts, reproducibly. Other than showing interesting mechanical and tribological properties, which offer them a myriad of applications, they are recently shown to exhibit remarkable optical and electrical properties, including quasi‐1D superconductivity, electroluminescence, and a strong bulk photovoltaic...
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