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. 2019 Aug 6;68(4):342-347.
doi: 10.1093/jmicro/dfz014.

Self-assembled structure of dendronized CdS nanoparticles

Hiroshi Nakajima  1 , Daichi Matsuki  1 , Yumi Fukunaga  2 , Takaaki Toriyama  2 , Koji Shigematsu  2 , Masaki Matsubara  3 , Kiyoshi Kanie  4 , Atsushi Muramatsu  4 , Yasukazu Murakami  1   2
Affiliations

Self-assembled structure of dendronized CdS nanoparticles

Hiroshi Nakajima et al. Microscopy (Oxf). .

Abstract

Self-assembled dendronized CdS nanoparticles have been attracting considerable attention because of their photoluminescence properties depending on annealing treatments. In this study, their annealing-induced self-assembled structure was investigated via scanning transmission electron microscopy; thin foil specimens of self-assembled dendronized CdS nanoparticles were prepared by ultramicrotomy and the STEM images revealed their ordered structure and the effect of the annealing treatment. In addition, a structural order belonging to the P213 space group was identified via an autocorrelation analysis. The results indicated that this structural order could be achieved only over a few tens of nanometers.

Keywords: autocorrelation; nanoparticles; scanning transmission electron microscopy; self-assembly; ultramicrotomy.

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