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Title: Entropy-Driven Mechanochemical Synthesis of Polymetallic Zeolitic Imidazolate Frameworks for CO 2 Fixation

Abstract

High-entropy materials refer to a kind of materials in which five or more metal species were incorporated deliberately into a single lattice with random occupancy. Up to now, such a concept has been only restricted to hard materials, such as high-entropy alloys and ceramics. Herein we report the synthesis of hybrid high-entropy materials, polymetallic zeolitic imidazolate framework (also named as high-entropy zeolitic imidazolate framework, HE-ZIF), via entropy-driven room-temperature mechanochemistry. HE-ZIF contains five metals including Zn II, Co II, Cd II, Ni II, and Cu II which are dispersed in the ZIF structure randomly. Moreover, HE-ZIF shows enhanced catalytic conversion of CO 2 into carbonate compared with ZIF-8 presumably a result of the synergistic effect of the five metal ions as Lewis acid in epoxide activation.

Authors:
 [1];  [2]; ORCiD logo [3];  [3];  [4]; ORCiD logo [3]
  1. Ningbo Univ. (China); Univ. of Tennessee, Knoxville, TN (United States)
  2. Univ. of Tennessee, Knoxville, TN (United States)
  3. Univ. of Tennessee, Knoxville, TN (United States); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  4. Ningbo Univ. (China)
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
OSTI Identifier:
1546506
Alternate Identifier(s):
OSTI ID: 1498180
Grant/Contract Number:  
AC05-00OR22725
Resource Type:
Accepted Manuscript
Journal Name:
Angewandte Chemie (International Edition)
Additional Journal Information:
Journal Name: Angewandte Chemie (International Edition); Journal Volume: 58; Journal Issue: 15; Journal ID: ISSN 1433-7851
Publisher:
Wiley
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY

Citation Formats

Xu, Wei, Chen, Hao, Jie, Kecheng, Yang, Zhenzhen, Li, Tingting, and Dai, Sheng. Entropy-Driven Mechanochemical Synthesis of Polymetallic Zeolitic Imidazolate Frameworks for CO2 Fixation. United States: N. p., 2019. Web. doi:10.1002/anie.201900787.
Xu, Wei, Chen, Hao, Jie, Kecheng, Yang, Zhenzhen, Li, Tingting, & Dai, Sheng. Entropy-Driven Mechanochemical Synthesis of Polymetallic Zeolitic Imidazolate Frameworks for CO2 Fixation. United States. doi:10.1002/anie.201900787.
Xu, Wei, Chen, Hao, Jie, Kecheng, Yang, Zhenzhen, Li, Tingting, and Dai, Sheng. Mon . "Entropy-Driven Mechanochemical Synthesis of Polymetallic Zeolitic Imidazolate Frameworks for CO2 Fixation". United States. doi:10.1002/anie.201900787.
@article{osti_1546506,
title = {Entropy-Driven Mechanochemical Synthesis of Polymetallic Zeolitic Imidazolate Frameworks for CO2 Fixation},
author = {Xu, Wei and Chen, Hao and Jie, Kecheng and Yang, Zhenzhen and Li, Tingting and Dai, Sheng},
abstractNote = {High-entropy materials refer to a kind of materials in which five or more metal species were incorporated deliberately into a single lattice with random occupancy. Up to now, such a concept has been only restricted to hard materials, such as high-entropy alloys and ceramics. Herein we report the synthesis of hybrid high-entropy materials, polymetallic zeolitic imidazolate framework (also named as high-entropy zeolitic imidazolate framework, HE-ZIF), via entropy-driven room-temperature mechanochemistry. HE-ZIF contains five metals including ZnII, CoII, CdII, NiII, and CuII which are dispersed in the ZIF structure randomly. Moreover, HE-ZIF shows enhanced catalytic conversion of CO2 into carbonate compared with ZIF-8 presumably a result of the synergistic effect of the five metal ions as Lewis acid in epoxide activation.},
doi = {10.1002/anie.201900787},
journal = {Angewandte Chemie (International Edition)},
number = 15,
volume = 58,
place = {United States},
year = {2019},
month = {2}
}

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Works referenced in this record:

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