In Situ STM Investigation of Two-Dimensional Chiral Assemblies through Schiff-Base Condensation at a Liquid/Solid Interface

Nanoscaled two-dimensional (2D) chiral architectures are increasingly receiving scientific interest, because of their potential applications in many domains. In this paper, we present a new method for constructing 2D chiral architectures on surface. Based on in situ Schiff-base reaction of achiral d...

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Bibliographic Details
Published in:ACS applied materials & interfaces 2013-03, Vol.5 (5), p.1583-1587
Main Authors: Hu, Fang-Yun, Zhang, Xue-Mei, Wang, Xiao-Chen, Wang, Shuai, Wang, Hai-Qiao, Duan, Wu-Biao, Zeng, Qing-Dao, Wang, Chen
Format: Article
Language:English
Subjects:
Aldehydes - chemistry
Amines - chemistry
Microscopy, Scanning Tunneling
Models, Molecular
Nanostructures - chemistry
Polymers - chemical synthesis
Polymers - chemistry
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Summary:Nanoscaled two-dimensional (2D) chiral architectures are increasingly receiving scientific interest, because of their potential applications in many domains. In this paper, we present a new method for constructing 2D chiral architectures on surface. Based on in situ Schiff-base reaction of achiral dialdehyde with two types of achiral amines at the solid/liquid interface, two chiral species have been directly formed and confirmed by means of a scanning tunneling microscopy (STM) technique. This work introduces a novel strategy to construct 2D surface chirality, which might be applied in fabricating functional films and nanoelectronic devices.
ISSN:1944-8244
1944-8252
DOI:10.1021/am303236w