High catalytic rates for hydrogen production using nickel electrocatalysts with seven-membered cyclic diphosphine ligands containing one pendant amine

MP Stewart, MH Ho, S Wiese… - Journal of the …, 2013 - ACS Publications
A series of Ni-based electrocatalysts,[Ni (7PPh2NC6H4X) 2](BF4) 2, featuring seven-
membered cyclic diphosphine ligands incorporating a single amine base, 1-para-X-phenyl …

Hydrogen production using nickel electrocatalysts with pendant amines: ligand effects on rates and overpotentials

S Wiese, UJ Kilgore, MH Ho, S Raugei, DL DuBois… - ACS …, 2013 - ACS Publications
A Ni-based electrocatalyst for H2 production,[Ni (8PPh2NC6H4Br) 2](BF4) 2, featuring eight-
membered cyclic diphosphine ligands incorporating a single amine base, 1-para …

[Ni(PPh2NC6H4X2)2]2+ Complexes as Electrocatalysts for H2 Production: Effect of Substituents, Acids, and Water on Catalytic Rates

UJ Kilgore, JAS Roberts, DH Pool… - Journal of the …, 2011 - ACS Publications
A series of mononuclear nickel (II) bis (diphosphine) complexes [Ni (PPh2NC6H4X2)
2](BF4) 2 (PPh2NC6H4X2= 1, 5-di (para-X-phenyl)-3, 7-diphenyl-1, 5-diaza-3, 7 …

Hydrogen oxidation and production using nickel-based molecular catalysts with positioned proton relays

AD Wilson, RH Newell, MJ McNevin… - Journal of the …, 2006 - ACS Publications
Highly efficient electrocatalysts for both hydrogen evolution and hydrogen oxidation have
been designed, synthesized, and characterized. The catalysts in their resting states are air …

pH-Dependent reduction potentials and proton-coupled electron transfer mechanisms in hydrogen-producing nickel molecular electrocatalysts

S Horvath, LE Fernandez, AM Appel… - Inorganic …, 2013 - ACS Publications
The nickel-based P2PhN2Bn electrocatalysts comprised of a nickel atom and two 1, 5-
dibenzyl-3, 7-diphenyl-1, 5-diaza-3, 7-diphosphacyclooctane ligands catalyze H2 …

Comparison of Cobalt and Nickel Complexes with Sterically Demanding Cyclic Diphosphine Ligands: Electrocatalytic H2 Production by [Co (P t Bu2NPh2)(CH3CN) 3] …

ES Wiedner, JY Yang, WG Dougherty… - …, 2010 - ACS Publications
The cyclic diphosphine ligands P t Bu2NPh2 and P t Bu2NBz2 have been synthesized and
used to prepare new complexes of Co (II) and Ni (II) with the formula [M (P t …

[Ni(PPh2NBn2)2(CH3CN)]2+ as an Electrocatalyst for H2 Production: Dependence on Acid Strength and Isomer Distribution

AM Appel, DH Pool, M O'Hagan, WJ Shaw… - ACS …, 2011 - ACS Publications
[Ni (PPh2NBn2) 2 (CH3CN)] 2+(where PPh2NBn2 is 1, 5-dibenzyl-3, 7-diphenyl-1, 5-diaza-
3, 7-diphosphacyclooctane), has been studied as an electrocatalyst for the production of …

[Ni(PMe2NPh2)2](BF4)2 as an Electrocatalyst for H2 Production

S Wiese, UJ Kilgore, DL DuBois, RM Bullock - ACS Catalysis, 2012 - ACS Publications
A nickel (II) bis (diphosphine) complex,[Ni (PMe2NPh2) 2](BF4) 2 (PMe2NPh2= 1, 5-
diphenyl-3, 7-dimethyl-1, 5-diaza-3, 7-diphosphacyclooctane), has been synthesized and …

Hydrogen production using cobalt-based molecular catalysts containing a proton relay in the second coordination sphere

GM Jacobsen, JY Yang, B Twamley… - Energy & …, 2008 - pubs.rsc.org
The cobalt analogue of a highly active nickel electrocatalyst for hydrogen production has
been synthesized and characterized as [Co (PPh2NPh2) 2 (CH3CN)](BF4) 2. In the …

Potential-Dependent Electrocatalytic Pathways: Controlling Reactivity with pKa for Mechanistic Investigation of a Nickel-Based Hydrogen Evolution Catalyst

ES Rountree, JL Dempsey - Journal of the American Chemical …, 2015 - ACS Publications
A detailed mechanistic analysis is presented for the hydrogen evolution catalyst [Ni
(P2PhN2Ph) 2 (CH2CN)][BF4] 2 in acetonitrile (P2PhN2Ph= 1, 3, 5, 7-tetraphenyl-1, 5-diaza …