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Related Experiment Video

Updated: Jun 22, 2026

Seeded Synthesis of CdSe/CdS Rod and Tetrapod Nanocrystals
12:56

Seeded Synthesis of CdSe/CdS Rod and Tetrapod Nanocrystals

Published on: December 11, 2013

Biaxially oriented CdSe nanorods.

Dag W Breiby1, Patrick T K Chin, Jens W Andreasen

  • 1Department of Physics, Norwegian University of Science and Technology, Høgskoleringen 5, N-7491 Trondheim, Norway.

Langmuir : the ACS Journal of Surfaces and Colloids
|July 4, 2009
PubMed
Summary

This study reveals cadmium selenide (CdSe) nanorods exhibit a wurtzite structure and ellipsoidal shape. Computer simulations and experiments show preferred orientation for advanced material applications.

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Area of Science:

  • Materials Science
  • Nanotechnology
  • Solid State Physics

Background:

  • Aligned nanostructures are crucial for advanced electronic and optical devices.
  • Understanding nanorod morphology and orientation is key to controlling material properties.

Purpose of the Study:

  • To investigate the shape, structure, and orientation of rubbing-aligned cadmium selenide (CdSe) nanorods.
  • To develop a quantitative model for simulating nanorod behavior.

Main Methods:

  • Transmission Electron Microscopy (TEM) for high-resolution imaging.
  • Grazing Incidence X-ray Scattering (GIXS) for structural analysis.
  • Computer simulations to model nanorod properties.

Main Results:

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Synthesis of Hierarchical ZnO/CdSSe Heterostructure Nanotrees
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Last Updated: Jun 22, 2026

Seeded Synthesis of CdSe/CdS Rod and Tetrapod Nanocrystals
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Seeded Synthesis of CdSe/CdS Rod and Tetrapod Nanocrystals

Published on: December 11, 2013

Facet-to-facet Linking of Shape-anisotropic Colloidal Cadmium Chalcogenide Nanostructures
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Facet-to-facet Linking of Shape-anisotropic Colloidal Cadmium Chalcogenide Nanostructures

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Synthesis of Hierarchical ZnO/CdSSe Heterostructure Nanotrees
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Synthesis of Hierarchical ZnO/CdSSe Heterostructure Nanotrees

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  • CdSe nanorods possess a wurtzite structure and are highly monodisperse.
  • Nanorods are ellipsoidal (approx. 8 nm short axis, 22 nm long axis).
  • Preferred biaxial orientation observed with c-axis along rubbing direction; some smectic-A ordering detected.

Conclusions:

  • A quantitative model accurately predicts experimental observations of CdSe nanorod behavior.
  • The findings provide insights into controlling nanorod assembly for tailored material properties.
  • This research facilitates the design of novel nanostructured materials.