Related Experiment Video
Updated: Jun 17, 2026
10:34
Ligand Nano-cluster Arrays in a Supported Lipid Bilayer
Published on: April 23, 2017
Pathway-engineered Co-assembly of nanorod-nanosphere binary superlattices.
Di Lei1, Hao Wang1, Ziyue Zheng1
1State Key Laboratory of Porous Materials for Separation and Conversion, Department of Chemistry, and Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Fudan University, Shanghai 200438, China. weilichem@fudan.edu.cn.
Chemical Communications (Cambridge, England)
|June 16, 2026
Summary
Researchers controlled nanoparticle assembly by adjusting the ratio of nanospheres to nanorods. This method suppresses unwanted aggregation, enabling the formation of specific superlattices and quasi-2D structures.
Area of Science:
- Materials Science
- Nanotechnology
- Crystallography
Background:
- Controlling the self-assembly of binary nanocrystal systems is crucial for designing advanced materials.
- Competing assembly pathways often hinder the formation of desired superlattice structures.
Purpose of the Study:
- To demonstrate selective suppression of competing assembly pathways in nanorod-nanosphere co-assembly.
- To establish pathway regulation as a general strategy for binary nanocrystal assembly.
Main Methods:
- Tuning the nanosphere-to-nanorod number ratio.
- Analyzing the resulting superlattice structures (e.g., AB6-p2, AB-pmm) and quasi-2D structures.
- Developing a pathway selection map based on size and number ratios.
Main Results:
- Increasing nanosphere content effectively disrupts nanorod-nanorod aggregation.
- Specific superlattices (AB6-p2, AB-pmm) and quasi-2D structures were successfully formed.
- A narrow window governed by size and number ratios was identified for pathway control.
Conclusions:
- Selective suppression of competing pathways is achievable by tuning the component ratio.
- Pathway regulation offers a general strategy for directed binary nanocrystal assembly.
- Understanding size and number ratio dependencies is key to controlling assembly outcomes.
