Acidic ionic liquid/water solution as both medium and proton source for electrocatalytic H2 evolution by [Ni(P2N2) 2]2+ complexes

Proceedings of the National Academy of Sciences of the United States of America

Volumn 109, Issue 39, 2012, Pages 15634-15639

  Pool, Douglas H ^a   Stewart, Michael P ^a   O'Hagan, Molly ^a   Shaw, Wendy J ^a   Roberts, John A S ^a   Bullock, R Morris ^a   DuBois, Daniel L ^a  

^a PACIFIC NORTHWEST NATIONAL LABORATORY   (United States)

Author keywords

Electrocatalysis; Homogeneous; Hydrogenase; Proton relay; Renewable energy

Indexed keywords

ACETONITRILE; AMIDE; CYCLOOCTANE DERIVATIVE; HYDROGEN; IONIC LIQUID; PROTON; WATER;

ACIDITY; AQUEOUS SOLUTION; ARTICLE; CATALYSIS; CHEMICAL ANALYSIS; CHEMICAL COMPOSITION; COMPLEX FORMATION; CYCLIC POTENTIOMETRY; ELECTROCHEMISTRY; HYDROPHOBICITY; NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY; PRIORITY JOURNAL; REDUCTION; SYNTHESIS;

CATALYSIS; ELECTROCHEMISTRY; FERROUS COMPOUNDS; NICKEL; PROTONS; WATER;

EID: 84866874244     PISSN: 00278424     EISSN: 10916490     Source Type: Journal    
DOI: 10.1073/pnas.1120208109     Document Type: Article

References (30)

1. Frey M (2002) Hydrogenases: Hydrogen-activating enzymes. Chembiochem 3:153-160.
2. Fontecilla-Camps JC, Volbeda A, Cavazza C, Nicolet Y (2007) Structure/function relationships of [NiFe]- and [FeFe]-hydrogenases. Chem Rev 107:4273-4303. (Pubitemid 350041745)
3. Fontecave M, Artero V (2011) Bioinspired catalysis at the crossroads between biology and chemistry: A remarkable example of an electrocatalytic materialmimicking hydrogenases. C R Chim 14:362-371.
4. 2 production and oxidation. Chem Soc Rev 38:62-72.
5. 2 ase. Inorg Chem 48:2-4.
6. Barton BE, Olsen MT, Rauchfuss TB (2008) Aza- and oxadithiolates are probable proton relays in functional models for the [FeFe]-hydrogenases. J Am Chem Soc 130:16834-16835.
7. DuBois DL, Bullock RM (2011) Molecular electrocatalysts for the oxidation of hydrogen and the production of hydrogen - the role of pendant amines as proton relays. Eur J Inorg Chem 2011:1017-1027.
8. 2 production: Dependence on acid strength and isomer distribution. ACS Catal 1:777-785.
9. 2 production: Effect of substituents, acids, and water on catalytic rates. J Am Chem Soc 133:5861-5872.
10. 2 = 1, 5-(di(4-(thiophene-3-yl)phenyl)-3, 7-diphenyl-1, 5-diaza-3, 7-diphosphacyclooctane). J Organomet Chem 694:2858-2865.
11. Wilson AD, et al. (2006) Hydrogen oxidation and production using nickel-based molecular catalysts with positioned proton relays. J Am Chem Soc 128:358-366. (Pubitemid 43100886)
12. Dupuis M, Chen S, Raugei S, DuBois DL, Bullock RM (2011) Comment on "new insights in the electrocatalytic proton reduction and hydrogen oxidation by bioinspired catalysts: A DFT investigation.". J Phys Chem A 115:4861-4865.
13. O'Hagan M, et al. (2011) Moving protons with pendant amines: Proton mobility in a nickel catalyst for oxidation of hydrogen. J Am Chem Soc 133:14301-14312.
14. 2 production. Science 333:863-866.
15. Huang J-F, et al. (2006) Brønsted acidic room temperature ionic liquids derived from N, N-dimethylformamide and similar protophilic amides. Green Chem 8:599-602. (Pubitemid 43993083)
16. Wopschall RH, Shain I (1967) Effects of adsorption of electroactive species in stationary electrode polarography. Anal Chem 39:1514-1527.
17. Felton GAN, Glass RS, Lichtenberger DL, Evans DH (2006) Iron-only hydrogenase mimics. Thermodynamic aspects of the use of electrochemistry to evaluate catalytic efficiency for hydrogen generation. Inorg Chem 45:9181-9184.
18. Barton BE, Rauchfuss TB (2010) Hydride-containing models for the active site of the nickel-iron hydrogenases. J Am Chem Soc 132:14877-14885.
19. Bard AJ, Faulkner LR (2001) Electrochemical Methods: Fundamentals and Applications (Wiley, New York), 2nd Ed.
20. Nicholson RS, Shain I (1964) Theory of stationary electrode polarography. Single scan and cyclic methods applied to reversible, irreversible, and kinetic systems. Anal Chem 36:706-723.
21. Saveant JM, Vianello E (1965) Potential-sweep chronoamperometry: Kinetic currents for first-order chemical reaction parallel to electron-transfer process (catalytic currents). Electrochim Acta 10:905-920.
22. Bautista-Martinez JA, et al. (2009) Hydrogen redox in protic ionic liquids and a direct measurement of proton thermodynamics. J Phys Chem C Nanomater Interfaces 113:12586-12593.
23. Susan MABH, Noda A, Mitsushima S, Watanabe M (2003) Brønsted acid-base ionic liquids and their use as new materials for anhydrous proton conductors. Chem Commun 8:938-939. (Pubitemid 36469638)
24. Xu W, Angell CA (2003) Solvent-free electrolytes with aqueous solution-like conductivities. Science 302:422-425. (Pubitemid 37296262)
25. MacFarlane DR, et al. (2007) Ionic liquids in electrochemical devices and processes: Managing interfacial electrochemistry. Acc Chem Res 40:1165-1173.
26. Loget G, Padilha JC, Martini EA, de Souza MO, de Souza RF (2009) Efficiency and stability of transition metal electrocatalysts for the hydrogen evolution reaction using ionic liquids as electrolytes. Int J Hydrogen Energy 34:84-90.
27. Greaves TL, Drummond CJ (2008) Ionic liquids as amphiphile self-assembly media. Chem Soc Rev 37:1709-1726.
28. 19F heteronuclear overhauser spectroscopy (HOESY) NMR methods in inorganic and organometallic chemistry: Something old and something new. Chem Rev 105:2977-2998.
29. Price WS (1998) Pulsed-field gradient nuclear magnetic resonance as a tool for studying translational diffusion: Part II. Experimental aspects. Concepts Magn Reson 10:197-237.
30. Miedaner A, Haltiwanger RC, DuBois DL (1991) Relationship between the bite size of diphosphine ligands and tetrahedral distortions of "square-planar" nickel(II) complexes: Stabilization of nickel(I) and palladium(I) complexes using diphosphine ligands with large bites. Inorg Chem 30:417-427.