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Updated: Jun 19, 2026

A Technique to Functionalize and Self-assemble Macroscopic Nanoparticle-ligand Monolayer Films onto Template-free Substrates

A Technique to Functionalize and Self-assemble Macroscopic Nanoparticle-ligand Monolayer Films onto Template-free Substrates

Published on: May 9, 2014

Porous Nanosheet Assembly for Macrocyclization and Self-Release.

Xin Liu¹, Xiaobin Zhou¹, Bowen Shen¹

¹State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry , Jilin University , Changchun 130012 , China.

Journal of the American Chemical Society

|January 14, 2020

Summary

Researchers developed novel 2D porous nanosheets that efficiently generate macrocycles from linear substrates. This innovative catch-and-release system overcomes synthetic challenges, enabling repeated macrocycle production for diverse applications.

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Synthesis of Monodisperse Cylindrical Nanoparticles via Crystallization-driven Self-assembly of Biodegradable Block Copolymers

Published on: June 20, 2019

Area of Science:

Supramolecular Chemistry
Materials Science
Organic Synthesis

Background:

Macrocyclic structures are valuable in drug discovery and nanomaterials but difficult to synthesize.
Synthetic challenges stem from the entropic penalty associated with folding linear chains.
Existing methods often lack efficiency and scalability for macrocycle generation.

Purpose of the Study:

To develop a novel strategy for efficient and repeatable macrocycle synthesis.
To utilize 2D porous nanosheets as a platform for macrocycle generation.
To overcome the limitations of traditional macrocyclization methods.

Main Methods:

Design and synthesis of single-layered porous nanosheets with hydrophobic cavities.
Encapsulation of linear substrates within the nanosheet cavities.
Induction of cyclization within the confined cavity space.
Spontaneous release and self-separation of the generated macrocycles.

Main Results:

Nanosheets demonstrated near-perfect uptake of linear substrates.
Clean and efficient cyclization occurred within the hydrophobic cavities.
Pure macrocycles were spontaneously released and precipitated from solution.
The system enabled repeated cycles of macrocycle generation via a catch-and-release mechanism.

Conclusions:

Single-layered porous nanosheets serve as highly efficient macrocycle generators.
The catch-and-release strategy effectively overcomes synthetic challenges in macrocyclization.
This novel approach offers a powerful and repeatable method for producing macrocycles.