Abstract:Doping quasi-two-dimensional semiconductor nanoplatelets (NPLs) which possess atomically exact thicknesses has attracted intense research interests, because it determines their unique optoelectronic properties. Dopants in ultrathin NPLs tend to diffuse to the surface due to the self-purification effect, which can result in reduced optical performance such as shortened photoluminescence (PL) lifetimes, low PL quantum yields (PLQYs), and broadening of spectral linewidth. To address these issues, an effective way… Show more
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