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Correction to "Synthesis of Reversible Sequence-Defined Oligourethane Macrocycles through Click and Declick Thiol-Amine Conjugation with a Meldrum's Acid Derived Conjugate Acceptor".

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Assembling Inorganic Nanocrystal Gels.

Allison M Green1, Charles K Ofosu2, Jiho Kang1

  • 1McKetta Department of Chemical Engineering, University of Texas at Austin, Austin, Texas 78 712, United States.

Nano Letters
|February 7, 2022
PubMed
Summary
This summary is machine-generated.

Inorganic nanocrystal gels combine unique nanocrystal properties with tunable network structures. Reviewing assembly methods reveals how to control gel stability, reversibility, and reconfigurability for advanced materials.

Keywords:
colloidal geldynamic bondingnanocrystal assemblysmart materialssurface chemistryswitchable properties

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Area of Science:

  • Materials Science
  • Nanotechnology
  • Colloid Chemistry

Background:

  • Inorganic nanocrystal gels exhibit properties of individual nanocrystals and tunable network characteristics.
  • Understanding assembly mechanisms is key to controlling gel properties.

Purpose of the Study:

  • To review and categorize methods for assembling inorganic nanocrystal gels.
  • To analyze how different assembly mechanisms influence gel properties.

Main Methods:

  • Review of assembly mechanisms: controlled destabilization, direct bridging, depletion, coordination bonding, and dynamic covalent bonding.
  • Analysis of the role of nanocrystal surface chemistry and small molecules in mediating attractions.

Main Results:

  • Each assembly method impacts gel properties such as stability, reversibility, and tunability.
  • Nanocrystal surface chemistry and small molecules are crucial for inter-nanocrystal attractions.

Conclusions:

  • Diverse assembly strategies offer pathways to design reconfigurable and fueled materials.
  • Control over gel properties is achieved through careful selection of assembly mechanisms.