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Title: Surface Immobilization of Molecular Electrocatalysts for Energy Conversion

Journal Article · · Chemistry - A European Journal

Electrocatalysts are critically important for a secure energy future, as they facilitate the conversion between electrical energy and chemical energy. Molecular catalysts offer precise control of their structure, and the ability to modify the substituents to understand structure-reactivity relationships that are more difficult to achieve with heterogeneous catalysts. Molecular electrocatalysts can be immobilized on surfaces by covalent bonds or through non-covalent interactions. Advantages of surface immobilization include the need for less catalyst, avoidance of bimolecular decomposition pathways, and easier determination of catalyst lifetime. Copper-catalyzed click reactions are often used to form covalent bonds to surfaces, and pi-pi stacking of pyrene substituents appended to the ligand of a molecular complex is a frequently used method to achieve non-covalent surface immobilization. This mini-review highlights surface confinement of molecular electrocatalysts for reduction of O2, oxidation of H2O, production of H2, and reduction of CO2.

Research Organization:
Energy Frontier Research Centers (EFRC) (United States). Center for Molecular Electrocatalysis (CME); Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
AC05-76RL01830
OSTI ID:
1388883
Alternate ID(s):
OSTI ID: 1843409
Report Number(s):
PNNL-SA-121541
Journal Information:
Chemistry - A European Journal, Vol. 23, Issue 32; Related Information: CME partners with Pacific Northwest National Laboratory (lead); University of Illinois, Urbana-Champaign; Pennsylvania State University; University of Washington; University of Wyoming; ISSN 0947-6539
Publisher:
ChemPubSoc EuropeCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 137 works
Citation information provided by
Web of Science

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Noncovalent Immobilization of Molecular Electrocatalysts for Chemical Synthesis: Efficient Electrochemical Alcohol Oxidation with a Pyrene-TEMPO Conjugate journal June 2017
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Immobilization of Molecular Catalysts for Enhanced Redox Catalysis journal February 2018
Bioinspired Transition‐Metal Complexes as Electrocatalysts for the Oxygen Reduction Reaction journal December 2018
Fighting Deactivation: Classical and Emerging Strategies for Efficient Stabilization of Molecular Electrocatalysts journal January 2020
Electrocatalytic Metal-Organic Frameworks for Energy Applications journal November 2017
Iridium Complexes with Proton-Responsive Azole-Type Ligands as Effective Catalysts for CO 2 Hydrogenation journal November 2017
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A mononuclear iron carbonyl complex [Fe(μ-bdt)(CO) 2 (PTA) 2 ] with bulky phosphine ligands: a model for the [FeFe] hydrogenase enzyme active site with an inverted redox potential journal January 2017
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Recent advances in the nanoengineering of electrocatalysts for CO 2 reduction journal January 2018
Iron Porphyrins Embedded into a Supramolecular Porous Organic Cage for Electrochemical CO 2 Reduction in Water journal July 2018
Robust electrografted interfaces on metal oxides for electrocatalysis – an in situ spectroelectrochemical study journal January 2018
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