A Bisamide Ruthenium Polypyridyl Complex as a Robust and Efficient Photosensitizer for Hydrogen Production

作者：Schott Olivier; Pal Amlan K; Chartrand Daniel; Hanan Garry S

来源：Chemsuschem, 2017, 10(22): 4436-4441.

DOI：10.1002/cssc.201701543

<jats:title>Abstract</jats:title><jats:p>A photosensitizer based on a ruthenium complex of a bisamide‐polypyridyl ligand gives rise to a large improvement in photocatalytic stability, rate of activity, and efficiency in photocatalytic H<jats:sub>2</jats:sub> production compared to [Ru(bpy)<jats:sub>3</jats:sub>]<jats:sup>2+</jats:sup> (bpy=2,2′‐bpyridine). The bisamide ruthenium polypyridyl complex combined with a cobaltoxime‐based photocatalyst was found to be highly efficient under blue‐light (turnover number (TON)=7800) and green‐light irradiation (TON=7200) whereas [Ru(bpy)<jats:sub>3</jats:sub>]<jats:sup>2+</jats:sup> was significantly less effective with a TON of 2600 and 1100, respectively. The greatest improvement was under red‐light‐emitting diodes, with bisamide ruthenium polypyridyl complex and cobaltoxime exhibiting a TON of 4200 compared to [Ru(bpy)<jats:sub>3</jats:sub>]<jats:sup>2+</jats:sup> and cobaltoxime at a TON of only 71.</jats:p>

• 出版日期2017-11-23