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Cylindrical superparticles from semiconductor nanorods.


ABSTRACT: In this communication, we report a synthesis of anisotropic colloidal superparticles (SPs) from CdSe/CdS semiconductor nanorods. These anisotropic SPs are cylindrical disks or stacked-disk arrays. We attribute the major driving forces controlling the SP shape to interparticle interactions between nanorods and solvophobic interactions between a superparticle and its surrounding solvent. According to their sizes (or volumes), the SPs adopt either single- or multilayered structures. In addition, these SPs exhibit linearly polarized emissions, demonstrating their potential role as useful components in devices such as polarized light-emitting diodes and electrooptical modulators.

SUBMITTER: Zhuang J 

PROVIDER: S-EPMC2713657 | biostudies-literature | 2009 May

REPOSITORIES: biostudies-literature

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Cylindrical superparticles from semiconductor nanorods.

Zhuang Jiaqi J   Shaller Andrew D AD   Lynch Jared J   Wu Huimeng H   Chen Ou O   Li Alexander D Q AD   Cao Y Charles YC  

Journal of the American Chemical Society 20090501 17


In this communication, we report a synthesis of anisotropic colloidal superparticles (SPs) from CdSe/CdS semiconductor nanorods. These anisotropic SPs are cylindrical disks or stacked-disk arrays. We attribute the major driving forces controlling the SP shape to interparticle interactions between nanorods and solvophobic interactions between a superparticle and its surrounding solvent. According to their sizes (or volumes), the SPs adopt either single- or multilayered structures. In addition, th  ...[more]

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