Novel fabrication of CdS hollow spheres induced by self-assembled process

Kyong Hoon Choi, Weon Sik Chae, Jin Seung Jung, Yong Rok Kim

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Micro-size CdS spheres of hollow shape were fabricated through the self-assembly of high density arrow-like nanorods. The synthesis of the CdS hollow spheres were accomplished in an aqueous solution of cadmium nitrate and triblock copolymer (Pluronic P123) at low temperature (80 °C) through the slow release of S2-ions from thioacetamide. Morphology of the fabricated CdS hollow spheres was characterized by X-ray diffraction (XRD), field-emission scanning electron microscopy (FE-SEM), and transmission electron microscopy (TEM). The results indicate that the arrow-like CdS nanorods are simultaneously grown and attached each other to form the building units that become the spheres with hollow inside as a self-assembled process. The CdS spheres have a diameter of 2~3 μm and consist of the nanorods with a length of ~800 nm. The nanocrystal building blocks have a hexagonal CdS structure.

Original languageEnglish
Pages (from-to)1118-1120
Number of pages3
JournalBulletin of the Korean Chemical Society
Volume30
Issue number5
DOIs
Publication statusPublished - 2009 Oct 13

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Fabrication
Nanorods
Thioacetamide
Field emission
Nanocrystals
Self assembly
Block copolymers
Ions
Transmission electron microscopy
X ray diffraction
Scanning electron microscopy
Temperature

All Science Journal Classification (ASJC) codes

  • Chemistry(all)

Cite this

Choi, Kyong Hoon ; Chae, Weon Sik ; Jung, Jin Seung ; Kim, Yong Rok. / Novel fabrication of CdS hollow spheres induced by self-assembled process. In: Bulletin of the Korean Chemical Society. 2009 ; Vol. 30, No. 5. pp. 1118-1120.
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Novel fabrication of CdS hollow spheres induced by self-assembled process. / Choi, Kyong Hoon; Chae, Weon Sik; Jung, Jin Seung; Kim, Yong Rok.

In: Bulletin of the Korean Chemical Society, Vol. 30, No. 5, 13.10.2009, p. 1118-1120.

Research output: Contribution to journalArticle

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AU - Choi, Kyong Hoon

AU - Chae, Weon Sik

AU - Jung, Jin Seung

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AB - Micro-size CdS spheres of hollow shape were fabricated through the self-assembly of high density arrow-like nanorods. The synthesis of the CdS hollow spheres were accomplished in an aqueous solution of cadmium nitrate and triblock copolymer (Pluronic P123) at low temperature (80 °C) through the slow release of S2-ions from thioacetamide. Morphology of the fabricated CdS hollow spheres was characterized by X-ray diffraction (XRD), field-emission scanning electron microscopy (FE-SEM), and transmission electron microscopy (TEM). The results indicate that the arrow-like CdS nanorods are simultaneously grown and attached each other to form the building units that become the spheres with hollow inside as a self-assembled process. The CdS spheres have a diameter of 2~3 μm and consist of the nanorods with a length of ~800 nm. The nanocrystal building blocks have a hexagonal CdS structure.

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