Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 12, Issue 21, Pages 24141-24148Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsami.0c05208
Keywords
coordination polymers; homologues; structural transformation; accurate identification; single crystal to single crystal; coordination bond ON/OFF
Funding
- National Natural Science Foundation [21671174]
- Thousand Talents Program of Zhongyuan
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Recently, coordination polymer materials are of high interest due to the potential applications for chemical sensing and luminescent materials. In this work, we designed a photofluorescence coordination polymer material based on a donor-metal-acceptor structure. The donor-metal-acceptor architecture showed unusual multiple environmental responsiveness accompanied by a great change of fluorescence behaviors. Generally, organic homologue molecules are not easily distinguished by coordination polymer sensors because they have similar molecular structures and interaction sites. However, using the feature of multiple structural transformations, the accurate identification for organic homologue molecules can be realized, especially in a short time to quickly identify MeOH in other alcohol homologues (even in mixed atmospheres with only 10% MeOH). The visualization transformation of fluorescence can also be realized by single crystal to single crystal thermal-induced coordination bond ON/OFF behavior. The reversible structure conversion strategy provides new ideas for the accurate identification of organic homolog molecules or external environmental stimuli.
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