Colloidal Crystallization

Okubo, Tsuneo

doi:10.1002/9781119075691.ch28

Cited by 1 publication

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“…The most direct application of these materials relies on the structural order of nanoparticles after the centrifugation. Generally speaking, the nanoparticle ordering can be classified into two categories: a crystal, which is periodically ordered across a long range [ 181 ], and a glass, which lacks a long-range order [ 182 ]. The most promising application of these ordered/disordered structures is the utilization of their photonic properties [ 183 ].…”

Section: Applicationsmentioning

confidence: 99%

Ultracentrifugation Techniques for the Ordering of Nanoparticles

Cölfen

2021

Nanomaterials

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A centrifugal field can provide an external force for the ordering of nanoparticles. Especially with the knowledge from in-situ characterization by analytical (ultra)centrifugation, nanoparticle ordering can be rationally realized in preparative (ultra)centrifugation. This review summarizes the work back to the 1990s, where intuitive use of centrifugation was achieved for the fabrication of colloidal crystals to the very recent work where analytical (ultra)centrifugation is employed to tailor-make concentration gradients for advanced materials. This review is divided into three main parts. In the introduction part, the history of ordering microbeads in gravity is discussed and with the size of particles reduced to nanometers, a centrifugal field is necessary. In the next part, the research on the ordering of nanoparticles in analytical and preparative centrifugation in recent decades is described. In the last part, the applications of the functional materials, fabricated from centrifugation-induced nanoparticle superstructures are briefly discussed.

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Section: Applicationsmentioning

confidence: 99%

Ultracentrifugation Techniques for the Ordering of Nanoparticles

Cölfen

2021

Nanomaterials

View full text Add to dashboard Cite

show abstract

Colloidal Crystallization

Cited by 1 publication

References 437 publications

Ultracentrifugation Techniques for the Ordering of Nanoparticles

Ultracentrifugation Techniques for the Ordering of Nanoparticles

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