Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/144036
Title: Photostimulus-responsive large-area two-dimensional covalent organic framework films
Authors: Yu, Fei
Liu, Wenbo
Li, Bang
Tian, Dan
Zuo, Jing-Lin
Zhang, Qichun
Keywords: Engineering::Materials
Issue Date: 2019
Source: Yu, F., Liu, W., Li, B., Tian, D., Zuo, J.-L., & Zhang, Q. (2019). Photostimulus-responsive large-area two-dimensional covalent organic framework films. Angewandte Chemie International Edition, 58(45), 16101-16104. doi:10.1002/anie.201909613
Project: AcRF Tier 1 RG 111/17 
AcRF Tier 1 RG 2/17 
AcRF Tier 1 RG 114/16 
AcRF Tier 1 RG 113/18 
AcRF Tier 2 MOE 2017-T2-1-021 
AcRF Tier 2 MOE 2018-T2-1-070 
sklssm2019036 
2018YFA0306004 
National Natural Science Foundation of China No. 21631006 
National Natural Science Foundation of China No. 21875099 
National Natural Science Foundation of China No.21601086 
Natural Science Foundation of Jiangsu Province (BK20160994) 
Journal: Angewandte Chemie International Edition 
Abstract: Using an external stimulus to modulate the electronic structure of covalent organic frameworks (COFs) is very important because such a response will endow them with additional functions. A two-dimensional (2D) COF, constructed from a photo-responsive unit (1,2-bis(5-formyl-2-methylthien-3-yl)cyclopentene), can reversibly switch its electrical conductivity 200 times from low state (the open form) to high state (the closed form) upon irradiation with UV light and reversible with visible light. This reversible phenomenon can be monitored through a circuit containing a light-emitting diode (LED). Photoinduced ring-closing/opening reactions do not destroy the integrity of the frameworks, and both processes follow logarithmic carrier generation with time. Moreover, the correlation between COFs electronic properties and changes in photoinduced kinetics and absorption curves has been demonstrated.
URI: https://hdl.handle.net/10356/144036
ISSN: 1521-3773
DOI: 10.1002/anie.201909613
Schools: School of Materials Science and Engineering 
Rights: This is the accepted version of the following article: Yu, F., Liu, W., Li, B., Tian, D., Zuo, J.-L., & Zhang, Q. (2019). Photostimulus-responsive large-area two-dimensional covalent organic framework films. Angewandte Chemie International Edition, 58(45), 16101-16104. doi:10.1002/anie.201909613, which has been published in final form at 10.1002/anie.201909613. This article may be used for non-commercial purposes in accordance with the Wiley Self-Archiving Policy [https://authorservices.wiley.com/authorresources/Journal-Authors/licensing/self-archiving.html].
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:MSE Journal Articles

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