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Self-assembled inorganic chiral superstructures
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DOI：10.1038/s41570-021-00350-w.png)
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Abstract
En 中文
Controlled assembly of inorganic nanoparticles with different compositions, sizes and shapes into higher-order structures of collective functionalities is a central pursued objective in chemistry, physics, materials science and nanotechnology. The emerging chiral superstructures, which break spatial symmetries at the nanoscale, have attracted particular attention, owing to their unique chiroptical properties and potential applications in optics, catalysis, biology and so on. Various bottom-up strategies have been developed to build inorganic chiral superstructures based on the intrinsic configurational preference of the building blocks, external fields or chiral templates. Self-assembled inorganic chiral superstructures have demonstrated significant superior optical activity from the strong electric/magnetic coupling between the building blocks, as compared with the organic counterparts. In this Review,we discuss recent progress in preparing self-assembled inorganic chiral superstructures, with an emphasis on the driving forces that enable symmetry breaking during the assembly process. The chiroptical properties and applications are highlighted and a forward-looking trajectory of where research efforts should be focused is discussed.
Keywords:
PLASMONIC CIRCULAR-DICHROISM
NANOPARTICLE SUPERSTRUCTURES
OPTICAL-ACTIVITY
DNA ORIGAMI
AU NANOROD
SUPRAMOLECULAR CHIRALITY
STRUCTURAL COLOR
AMINO-ACID
GOLD
NANOCRYSTALS
Journal
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51.7
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1.0K
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1.6W