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Title: Preorganization and Cooperation for Highly Efficient and Reversible Capture of Low-Concentration CO 2 by Ionic Liquids

Here, a novel strategy based on the concept of preorganization and cooperation has been designed for a superior capacity to capture low–concentration CO 2 by imide–based ionic liquids. By using this strategy, for the first time, an extremely high gravimetric CO 2 capacity of up to 22 wt % (1.65 mol mol –1) and excellent reversibility (16 cycles) have been achieved from 10 vol. % of CO 2 in N 2 when using an ionic liquid having a preorganized anion. Through a combination of quantum–chemical calculations and spectroscopic investigations, it is suggested that cooperative interactions between CO 2 and multiple active sites in the preorganized anion are the driving force for the superior CO 2 capacity and excellent reversibility.
Authors:
 [1] ; ORCiD logo [2] ;  [1] ;  [1] ;  [1] ; ORCiD logo [3] ; ORCiD logo [1]
  1. Henan Normal Univ., Henan (China)
  2. Henan Normal Univ., Henan (China); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  3. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Univ. of Tennessee, Knoxville, TN (United States)
Publication Date:
Grant/Contract Number:
AC05-00OR22725
Type:
Accepted Manuscript
Journal Name:
Angewandte Chemie (International Edition)
Additional Journal Information:
Journal Name: Angewandte Chemie (International Edition); Journal Volume: 56; Journal Issue: 43; Journal ID: ISSN 1433-7851
Publisher:
Wiley
Research Org:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; anions; carbon dioxide fixation; cooperative effects; ionic liquids; preorganization
OSTI Identifier:
1462885

Huang, Yanjie, Cui, Guokai, Zhao, Yuling, Wang, Huiyong, Li, Zhiyong, Dai, Sheng, and Wang, Jianji. Preorganization and Cooperation for Highly Efficient and Reversible Capture of Low-Concentration CO2 by Ionic Liquids. United States: N. p., Web. doi:10.1002/anie.201706280.
Huang, Yanjie, Cui, Guokai, Zhao, Yuling, Wang, Huiyong, Li, Zhiyong, Dai, Sheng, & Wang, Jianji. Preorganization and Cooperation for Highly Efficient and Reversible Capture of Low-Concentration CO2 by Ionic Liquids. United States. doi:10.1002/anie.201706280.
Huang, Yanjie, Cui, Guokai, Zhao, Yuling, Wang, Huiyong, Li, Zhiyong, Dai, Sheng, and Wang, Jianji. 2017. "Preorganization and Cooperation for Highly Efficient and Reversible Capture of Low-Concentration CO2 by Ionic Liquids". United States. doi:10.1002/anie.201706280. https://www.osti.gov/servlets/purl/1462885.
@article{osti_1462885,
title = {Preorganization and Cooperation for Highly Efficient and Reversible Capture of Low-Concentration CO2 by Ionic Liquids},
author = {Huang, Yanjie and Cui, Guokai and Zhao, Yuling and Wang, Huiyong and Li, Zhiyong and Dai, Sheng and Wang, Jianji},
abstractNote = {Here, a novel strategy based on the concept of preorganization and cooperation has been designed for a superior capacity to capture low–concentration CO2 by imide–based ionic liquids. By using this strategy, for the first time, an extremely high gravimetric CO2 capacity of up to 22 wt % (1.65 mol mol–1) and excellent reversibility (16 cycles) have been achieved from 10 vol. % of CO2 in N2 when using an ionic liquid having a preorganized anion. Through a combination of quantum–chemical calculations and spectroscopic investigations, it is suggested that cooperative interactions between CO2 and multiple active sites in the preorganized anion are the driving force for the superior CO2 capacity and excellent reversibility.},
doi = {10.1002/anie.201706280},
journal = {Angewandte Chemie (International Edition)},
number = 43,
volume = 56,
place = {United States},
year = {2017},
month = {8}
}

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