NDLI: A Photoresponsive Surface Covalent Organic Framework: Surface-Confined Synthesis, Isomerization, and Controlled Guest Capture and Release

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A Photoresponsive Surface Covalent Organic Framework: Surface-Confined Synthesis, Isomerization, and Controlled Guest Capture and Release

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Lei, Shengbin Liu, Chunhua Zeng, Qingdao Zhang, Wei
Description	Author Affiliation: Liu C ( State Key Laboratory of Robotics and System (HIT), Harbin Institute of Technology, Harbin, 150080, P. R. of China.); Zhang W ( College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, 215123, P. R. of China.); Zeng Q ( CAS Key Laboratory of Standardization and Measurement for Nanotechnology, National Center for Nanoscience and Technology, Beijing, 100190, P. R. of China.); Lei S ( State Key Laboratory of Robotics and System (HIT), Harbin Institute of Technology, Harbin, 150080, P. R. of China. leisb@hit.edu.cn.)
Abstract	By introducing an azobenzene group to the backbone of diboronic acid, we have obtained a surface-confined, photoresponsive single-layer covalent organic framework with long-range order and almost entire surface coverage. Scanning tunneling microscopic characterization indicates that though the covalent linkage provides a significant locking effect, isomerization can still happen under UV irradiation, which causes destruction of the surface COF. Furthermore, the decomposed surface COF can recover upon annealing. This photoinduced decomposition provides a facile approach for the controlled capture and release of targeted objects using these nanoporous surface COFs as a host, which has been demonstrated in this work using copper phthalocyanine as a model guest.
ISSN	09476539
e-ISSN	15213765
Journal	Chemistry - A European Journal
Issue Number	20
Volume Number	22
Language	English
Publisher	Wiley-VCH;ChemPubSoc Europe
Publisher Date	2016-05-10
Publisher Place	Germany
Access Restriction	Open
Subject Keyword	Chemistry
Content Type	Text
Resource Type	Article
Subject	Organic Chemistry Catalysis

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