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Issue 2, 2018
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Tuning of chiral construction, structural diversity, scale transformation and chiroptical applications

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Abstract

Dissymmetry is crucial for chiral geometries that utilize either intrinsic anisotropy forces around nanoparticles (NPs) or external organization associated with templates or applied fields and alignment. The chiral nanostructures in the geometries of dimers (different triggers), pyramids, and helices usually generate (−)/(+) enantiomers with tunable circular dichroism (CD) bands. The chiral superstructures of films produce much stronger, broader CD bands with tunable Cotton effect signs. Chiral fabrication has also been advanced by interdisciplinary technology. Surface enhanced Raman scattering (SERS), luminescence, and magneto-optics have been discussed in this study with respect to chiroptical properties. We have witnessed tremendous diversity in chiral assemblies with significant potential as biocompatible therapy reagents, biosensors, and catalysts as well as optical materials. In this study, we highlight the progress of chiral assemblies, especially geometrical and spectral tuning, and present a comprehensive discussion of their key parameters and mechanisms as well as their applications.

Graphical abstract: Tuning of chiral construction, structural diversity, scale transformation and chiroptical applications

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Publication details

The article was received on 15 Nov 2017, accepted on 18 Dec 2017 and first published on 18 Dec 2017


Article type: Review Article
DOI: 10.1039/C7MH00966F
Citation: Mater. Horiz., 2018,5, 141-161
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    Tuning of chiral construction, structural diversity, scale transformation and chiroptical applications

    W. Ma, C. Hao, M. Sun, L. Xu, C. Xu and H. Kuang, Mater. Horiz., 2018, 5, 141
    DOI: 10.1039/C7MH00966F

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