Metal-Organic Framework for Emulsifying Carbon Dioxide and Water

Forming emulsions of carbon dioxide (CO2) and water can largely expand the utility of CO2. Herein we propose for the first time the utilization of a metal–organic framework (MOF) for emulsifying CO2 and water. Owing to the hybrid composition, MOF particles can easily assemble at the CO2/water interf...

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Bibliographic Details
Published in:Angewandte Chemie International Edition 2016-09, Vol.55 (38), p.11372-11376
Main Authors: Liu, Chengcheng, Zhang, Jianling, Zheng, Lirong, Zhang, Jing, Sang, Xinxin, Kang, Xinchen, Zhang, Bingxing, Luo, Tian, Tan, Xiuniang, Han, Buxing
Format: Article
Language:English
Subjects:
Aquatic plants
Carbon dioxide
CO2
Dispersion
Emulsification
Emulsions
Forming
H2O
Metal-organic frameworks
Metals
Mud-water interfaces
Networks
Pollutants
Solids
Stability
Superstructures
Surfactants
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Summary:Forming emulsions of carbon dioxide (CO2) and water can largely expand the utility of CO2. Herein we propose for the first time the utilization of a metal–organic framework (MOF) for emulsifying CO2 and water. Owing to the hybrid composition, MOF particles can easily assemble at the CO2/water interface to create a rigid protective barrier around the dispersed droplet. The MOF‐stabilized CO2 and water emulsion has exceptional stability compared to those emulsions stabilized by surfactants or other solids. Moreover, the CO2 and water emulsion stabilized by MOF is “tunable” due to the designable features of MOFs and adjustable character of CO2. Such a novel kind of emulsion composed of CO2, water, and MOF provides a facile route for constructing MOF superstructures with many advantages. The macroporous networks and hollow capsules of different kinds of MOFs have been successfully derived from CO2 and water emulsions. MOFing to get all emulsional about: Metal–organic frameworks (MOFs) are used as emulsifiers for emulsifying CO2 and water. The MOF‐stabilized CO2 and water emulsion has exceptional stability and is “tunable” as a result of varying the MOF and adjustable character of CO2. Releasing the gas from the emulsion provides a facile route for constructing novel MOF superstructures.
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.201602150