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Title: Entropy-Driven Mechanochemical Synthesis of Polymetallic Zeolitic Imidazolate Frameworks for CO2 Fixation

Journal Article · · Angewandte Chemie (International Edition)
 [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)
+ Show Author Affiliations

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.

Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
Grant/Contract Number:
AC05-00OR22725
OSTI ID:
1546506
Journal Information:
Angewandte Chemie (International Edition), Journal Name: Angewandte Chemie (International Edition) Journal Issue: 15 Vol. 58; ISSN 1433-7851
Publisher:
WileyCopyright Statement
Country of Publication:
United States
Language:
English

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Cited By (10)

Mechanochemical synthesis of pillar[5]quinone derived multi-microporous organic polymers for radioactive organic iodide capture and storage. journalarticle January 2020
Pressure-induced tuning of lattice distortion in a high-entropy oxide journal September 2019
A rose bengal-functionalized porous organic polymer for carboxylative cyclization of propargyl alcohols with CO 2 journal January 2019
Synthesis, structure and magnetic properties of a novel high-nuclearity oxo-carboxylate [Zn x Co 13–x (μ 4 -O) 4 (O 2 CPh) 18 ] cluster journal January 2019
Coexistence of Cu( ii ) and Cu( i ) in Cu ion-doped zeolitic imidazolate frameworks (ZIF-8) for the dehydrogenative coupling of silanes with alcohols journal January 2019
A series of dysprosium-based hydrogen-bonded organic frameworks (Dy–HOFs): thermally triggered off → on conversion of a single-ion magnet journal January 2019
Mechanochemistry-assisted encapsulation of metal nanoparticles in MOF matrices via a sacrificial strategy journal January 2019
Ambient fast, large-scale synthesis of entropy-stabilized metal–organic framework nanosheets for electrocatalytic oxygen evolution journal January 2019
Solvent-free mechanochemical route for the construction of ionic liquid and mixed-metal MOF composites for synergistic CO 2 fixation journal January 2020
Pressure-induced tuning of lattice distortion in a high-entropy oxide text January 2019

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