Structural and Nanotribological Properties of a BODIPY Self-Assembly

Boron-dipyrromethenes (BODIPY) are promising functional dyes, whose exceptional optical properties are closely related to their supramolecular assembly. Herein, the self-assembly of a BODIPY derivative functionalized with uracil groups is explicitly and thoroughly investigated by using scanning tunn...

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Bibliographic Details
Published in:Frontiers in chemistry 2021-08, Vol.9, p.704915-704915
Main Authors: Tan, Shanchao, Luo, Wendi, Zhang, Yongjie, Ren, Xiang-Kui, Liu, Yuhong, Chen, Zhijian, Zeng, Qingdao
Format: Article
Language:English
Subjects:
bodipy dye
Chemistry
hydrogen bond
nanotribology
scanning tunneling microscopy
self-assembly
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Summary:Boron-dipyrromethenes (BODIPY) are promising functional dyes, whose exceptional optical properties are closely related to their supramolecular assembly. Herein, the self-assembly of a BODIPY derivative functionalized with uracil groups is explicitly and thoroughly investigated by using scanning tunneling microscopy (STM). Based on the simulation and calculation by density functional theory (DFT) method, it can be concluded that the construction of ordered self-assembly structure is attributed to the formation of hydrogen bonds between uracil groups. Moreover, the nanotribological property of the self-assembly on HOPG surface is measured by using atomic force microscopy (AFM). The effort on self-assembly of the BODIPY derivative could enhance the understanding of surface assembly mechanism.
ISSN:2296-2646
2296-2646
DOI:10.3389/fchem.2021.704915