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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