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Chirality

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Chirality is a term that describes the lack of mirror symmetry in an object. In other words, chiral objects cannot be superposed on their mirror images. For example, our feet are chiral, as the mirror image of the left foot, the right foot, cannot be superposed on the left foot.
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Related Experiment Video

Updated: Feb 2, 2026

Bio-inspired Polydopamine Surface Modification of Nanodiamonds and Its Reduction of Silver Nanoparticles

Bio-inspired Polydopamine Surface Modification of Nanodiamonds and Its Reduction of Silver Nanoparticles

Published on: November 14, 2018

Intermediate States Directed Chiral Transfer on a Silver Surface.

Biao Yang¹, Nan Cao¹, Huanxin Ju²

¹Institute of Functional Nano and Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials a Devices , Soochow University , 199 Ren'ai Road , Suzhou 215123 , P. R. China.

Journal of the American Chemical Society

|November 27, 2018

Summary

This summary is machine-generated.

This study demonstrates a new method for 2D chiral transfer using metal-organic intermediates on a silver surface. Chirality is successfully transferred from intermediate states to final dimer products.

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Area of Science:

Surface chemistry
Chiral synthesis
Supramolecular chemistry

Background:

Chiral synthesis on surfaces is a growing field.
Controlling chirality in surface-assembled structures is challenging.

Purpose of the Study:

To develop a novel 2D chiral transfer method.
To investigate chiral induction via metal-organic intermediates on surfaces.

Main Methods:

Self-assembly of achiral molecules on Ag(100) surface.
Controlled annealing to form chiral metal-organic hybrids.
Density Functional Theory (DFT) calculations.
Synchrotron-based X-ray Photoelectron Spectroscopy (XPS).

Main Results:

Achiral 4,4'-dihydroxybiphenyl formed 2D networks.
Annealing induced chiral tetramer intermediates.
Chirality transferred from tetramers to dimer products.
Enantiomeric islands formed on the silver surface.

Conclusions:

Demonstrated a novel 2D chiral transfer mechanism.
Metal-organic intermediates are key to chiral induction.
Surface-mediated reactions can control chirality effectively.