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Tuning the Chiroptical Properties of Tellurium Nanocrystals With Geometric Control
Yufen Zong1, Jie Zhu1, Xingfu Zhou1
1State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing, China.
Chirality
|June 8, 2026
Summary
Chiral inorganic nanostructures
Area of Science:
- Materials Science
- Nanotechnology
- Chemistry
Background:
- Chiral ligands are typically used to create chiral inorganic nanostructures.
- The chirality of these nanostructures is often attributed solely to the ligands' molecular chirality.
Purpose of the Study:
- To investigate the factors influencing chirality in tellurium (Te) nanostructures.
- To explore the role of geometric properties and impurities in Te nanostructure chirality.
Main Methods:
- Synthesis of Te nanostructures with varying sizes and shapes using surfactants and ligands.
- Analysis of the relationship between ligand chirality, nanostructure geometry, and chiroptical properties.
- Investigation of the effect of selenium impurities on Te nanostructure chirality and circular dichroism signals.
Main Results:
- Chirality transitions in Te nanostructures can be induced by structural transitions.
- The chiral induction in Te nanocrystals is influenced by both ligand chirality and nanostructure geometry.
- Selenium impurities can alter the structure and the sign of the circular dichroism signal of Te nanocrystals.
Conclusions:
- Nanostructure geometry plays a significant role in determining chiroptical properties, beyond ligand chirality.
- Geometric control offers a promising strategy for tuning the chiral chiroptical properties of inorganic nanocrystals.
- Understanding these factors is crucial for designing advanced chiral nanomaterials.
