Formation of pseudomorphic nanocages from Cu2O nanocrystals through anion exchange reactions

Hsin Lun Wu, Ryota Sato, Atsushi Yamaguchi, Masato Kimura, Mitsutaka Haruta, Hiroki Kurata, Toshiharu Teranishi

Research output: Contribution to journalArticle

46 Citations (Scopus)

Abstract

The crystal structure of ionic nanocrystals (NCs) is usually controlled through reaction temperature, according to their phase diagram.We show that when ionic NCs with different shapes, but identical crystal structures, were subjected to anion exchange reactions under ambient conditions, pseudomorphic products with different crystal systems were obtained. The shape-dependent anionic framework (surface anion sublattice and stacking pattern) of Cu2O NCs determined the crystal system of anion-exchanged products of CuxS nanocages. This method enabled us to convert a body-centered cubic lattice into either a face-centered cubic or a hexagonally close-packed lattice to form crystallographically unusual, multiply twinned structures. Subsequent cation exchange reactions produced CdS nanocages while preserving the multiply-twinned structures. A high-temperature stable phase such as wurtzite ZnS was also obtained with this method at ambient conditions.

Original languageEnglish
Pages (from-to)1306-1310
Number of pages5
JournalScience
Volume351
Issue number6279
DOIs
Publication statusPublished - 2016 Mar 18

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Nanocrystals
Anions
Crystal structure
Crystals
Phase diagrams
Cations
Temperature

All Science Journal Classification (ASJC) codes

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Wu, H. L., Sato, R., Yamaguchi, A., Kimura, M., Haruta, M., Kurata, H., & Teranishi, T. (2016). Formation of pseudomorphic nanocages from Cu2O nanocrystals through anion exchange reactions. Science, 351(6279), 1306-1310. https://doi.org/10.1126/science.aad5520
Wu, Hsin Lun ; Sato, Ryota ; Yamaguchi, Atsushi ; Kimura, Masato ; Haruta, Mitsutaka ; Kurata, Hiroki ; Teranishi, Toshiharu. / Formation of pseudomorphic nanocages from Cu2O nanocrystals through anion exchange reactions. In: Science. 2016 ; Vol. 351, No. 6279. pp. 1306-1310.
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Wu, HL, Sato, R, Yamaguchi, A, Kimura, M, Haruta, M, Kurata, H & Teranishi, T 2016, 'Formation of pseudomorphic nanocages from Cu2O nanocrystals through anion exchange reactions', Science, vol. 351, no. 6279, pp. 1306-1310. https://doi.org/10.1126/science.aad5520

Formation of pseudomorphic nanocages from Cu2O nanocrystals through anion exchange reactions. / Wu, Hsin Lun; Sato, Ryota; Yamaguchi, Atsushi; Kimura, Masato; Haruta, Mitsutaka; Kurata, Hiroki; Teranishi, Toshiharu.

In: Science, Vol. 351, No. 6279, 18.03.2016, p. 1306-1310.

Research output: Contribution to journalArticle

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AU - Sato, Ryota

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AU - Kurata, Hiroki

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Wu HL, Sato R, Yamaguchi A, Kimura M, Haruta M, Kurata H et al. Formation of pseudomorphic nanocages from Cu2O nanocrystals through anion exchange reactions. Science. 2016 Mar 18;351(6279):1306-1310. https://doi.org/10.1126/science.aad5520