Multinary light absorbing semiconductor nanocrystals with diversified electronic and optical properties.

Both experimental and theoretical results indicate that the lattice parameters show an increasing trend with the progressive substitution of S atoms with the larger Se anion in the multinary chalcogenide compositions, as expected.

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In addition, the bandgaps of the S/Se alloying compositions also show a clear trend of decrease with increased substitution of S with Se anions in the multinary unit cell until x = 0.75–1.00, where the bandgap becomes comparable ( Fig. 3c and d ).

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