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Production of H₂ at fast rates using a nickel electrocatalyst in water–acetonitrile solutions

Author:
Hoffert, Wesley A., Roberts, John A. S., Morris Bullock, R., Helm, Monte L.
Source:
Chemical communications 2013 v.49 no.71 pp. 7767-7769
ISSN:
1364-548X
Subject:
acetonitrile, catalysts, catalytic activity, chemical communication, chemical reactions, electrochemistry, hydrogen, nickel
Abstract:
We report a synthetic nickel complex containing proton relays, [Ni(Pᴾʰ₂NC⁶ᴴ⁴ᴼᴴ₂)₂](BF₄)₂ (Pᴾʰ₂NC⁶ᴴ⁴ᴼᴴ₂ = 1,5-bis(p-hydroxyphenyl)-3,7-diphenyl-1,5-diaza-3,7-diphosphacyclo-octane), that catalyzes the production of H₂ in aqueous acetonitrile with turnover frequencies of 750–170 000 s⁻¹ at experimentally determined overpotentials of 310–470 mV.
Agid:
6598913