Electrocatalytic proton reduction by an air-stable nickel(ii)-thiolato PNN pincer complex

2018 ◽  
Vol 47 (25) ◽  
pp. 8483-8488 ◽  
Author(s):  
Chew Pheng Yap ◽  
Yuan Yi Chong ◽  
Tsz Sian Chwee ◽  
Wai Yip Fan
Keyword(s):  
Proton Reduction ◽  
Pincer Complex

ElectroProton reduction catalysed by an air-stable nickel pincer complex.

Effect of Lewis Basic Amine Site on Proton Reduction Activity of NNN‐Co Pincer Complex

2021 ◽  
Author(s):  
Seungjin Song ◽  
Jaewhan Cho ◽  
Hyeonjeong Jo ◽  
Junseong Lee ◽  
Jun‐Ho Choi ◽  
...  
Keyword(s):  
Proton Reduction ◽  
Reduction Activity ◽  
Pincer Complex ◽  
Basic Amine

An NADH-Inspired Redox Mediator Strategy to Promote Second-Sphere Electron and Proton Transfer for Cooperative Electrochemical CO2 Reduction Catalyzed by Iron Porphyrin

2020 ◽  
Author(s):  
Peter T. Smith ◽  
Sophia Weng ◽  
Christopher Chang
Keyword(s):  
Proton Transfer ◽  
Co2 Reduction ◽  
Iron Porphyrin ◽  
Redox Mediators ◽  
Reservoir Properties ◽  
Proton Reduction ◽  
Electrochemical Co2 Reduction ◽  
Starting Point ◽  
Rate Improvement ◽  
Molecular Catalysts

We present a bioinspired strategy for enhancing electrochemical carbon dioxide reduction catalysis by cooperative use of base-metal molecular catalysts with intermolecular second-sphere redox mediators that facilitate both electron and proton transfer. Functional synthetic mimics of the biological redox cofactor NADH, which are electrochemically stable and are capable of mediating both electron and proton transfer, can enhance the activity of an iron porphyrin catalyst for electrochemical reduction of CO<sub>2</sub> to CO, achieving a 13-fold rate improvement without altering the intrinsic high selectivity of this catalyst platform for CO<sub>2</sub> versus proton reduction. Evaluation of a systematic series of NADH analogs and redox-inactive control additives with varying proton and electron reservoir properties reveals that both electron and proton transfer contribute to the observed catalytic enhancements. This work establishes that second-sphere dual control of electron and proton inventories is a viable design strategy for developing more effective electrocatalysts for CO<sub>2</sub> reduction, providing a starting point for broader applications of this approach to other multi-electron, multi-proton transformations.

Carbocyclic Pincer Carbene Complexes of Ruthenium: Syntheses and Reversible Hydrogenation

2021 ◽  
Author(s):  
Nicholas Wiedmaier ◽  
Hartmut Schubert ◽  
Hermann A Mayer ◽  
Lars Wesemann
Keyword(s):  
Carbene Complexes ◽  
Carbene Complex ◽  
Pincer Complex

The ruthenium carbene pincer complex 2 was synthesized treating the benzo annulated cycloheptatriene bisphosphine 1 with RuCl3. Addition of three equivalents of hydrogen to the carbocyclic carbene complex 2 was...

Highly Efficient Catalytic Two-Electron Two-Proton Reduction of Dioxygen to Hydrogen Peroxide with a Cobalt Corrole Complex

ACS Catalysis ◽  
2021 ◽  
pp. 3073-3083
Author(s):  
Atanu Rana ◽  
Yong-Min Lee ◽  
Xialiang Li ◽  
Rui Cao ◽  
Shunichi Fukuzumi ◽  
...  
Keyword(s):  
Hydrogen Peroxide ◽  
Proton Reduction ◽  
Highly Efficient

Opening catalytic sites in the copper-triazoles framework via defect chemistry for switching on the proton reduction

2021 ◽  
pp. 119941
Author(s):  
Zhao-Di Wang ◽  
Ying Zang ◽  
Zhi-Juan Liu ◽  
Peng Peng ◽  
Rui Wang ◽  
...  
Keyword(s):  
Defect Chemistry ◽  
Proton Reduction ◽  
Catalytic Sites

Csp3−H Activation without Chelation Assistance in an Iridium Pincer Complex Forming Cyclometallated Products

2017 ◽  
Vol 23 (8) ◽  
pp. 1748-1751 ◽  
Author(s):  
David A. Ahlstrand ◽  
Alexey V. Polukeev ◽  
Rocío Marcos ◽  
Mårten S. G. Ahlquist ◽  
Ola F. Wendt
Keyword(s):  
Pincer Complex

Oxidatively Stable Nanoporous Silicon Photocathodes with Enhanced Onset Voltage for Photoelectrochemical Proton Reduction

Nano Letters ◽  
2015 ◽  
Vol 15 (4) ◽  
pp. 2517-2525 ◽  
Author(s):  
Y. Zhao ◽  
N. C. Anderson ◽  
K. Zhu ◽  
J. A. Aguiar ◽  
J. A. Seabold ◽  
...  
Keyword(s):  
Proton Reduction ◽  
Nanoporous Silicon ◽  
Onset Voltage
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