Electro‐ and Photocatalytic Generation of H 2  Using a Distinctive Co II  “PN 3 P” Pincer Supported Complex with Water or Saturated Saline as a Hydrogen Source | Zendy

Rao Gyandshwar Kumar | Zendy; Pell Wendy | Zendy; Gabidullin Bulat | Zendy; Korobkov Ilia | Zendy; Richeson Darrin | Zendy

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Electro‐ and Photocatalytic Generation of H 2 Using a Distinctive Co II “PN 3 P” Pincer Supported Complex with Water or Saturated Saline as a Hydrogen Source

Author(s) -

Rao Gyandshwar Kumar,

Pell Wendy,

Gabidullin Bulat,

Korobkov Ilia,

Richeson Darrin

Publication year - 2017

Publication title -

chemistry – a european journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.687

H-Index - 242

eISSN - 1521-3765

pISSN - 0947-6539

DOI - 10.1002/chem.201704882

Subject(s) - aqueous solution , acetonitrile , pincer ligand , chemistry , pincer movement , catalysis , hydrogen , pyridine , photocatalysis , inorganic chemistry , electrochemistry , ligand (biochemistry) , hydrogen production , faraday efficiency , medicinal chemistry , photochemistry , electrode , organic chemistry , receptor , biochemistry

Efficient electrocatalytic production of H 2 from mixed water/acetonitrile solutions was achieved using three new Co II complexes supported by the neutral pincer ligand bis(diphenylphosphino)‐2,6‐di(methylamino)pyridine (“PN 3 P”). At −1.9 V vs. Fc/Fc + , these catalysts showed 96 % Faradaic efficiency with added water or saturated aqueous saline at rates of up to 316 L(mol cat) −1 (cm 2 ) −1 h −1 using a glassy carbon working electrode. The complex [Co(κ 3 ‐2,6‐{Ph 2 PNMe} 2 (NC 5 H 3 )Br 2 ] ( 1 ) was also able to photocatalytically reduce water to hydrogen in the presence of a Ru(bpy) 3 2+ photosensitizer and a reductant.

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