TY - JOUR
T1 - Photochemical H2 evolution from water catalyzed by a dichloro(diphenylbipyridine)platinum(ii) derivative tethered to multiple viologen acceptors
AU - Kitamoto, Kyoji
AU - Sakai, Ken
N1 - Funding Information:
This work was supported by a Grant-in-Aid for Scientific Research (B) (No. 24350029) and a Grant-in-Aid for Scientific Research on Innovative Areas ‘Artificial Photosynthesis’ (No. 2406, 24107004) from the Ministry of Education, Culture, Sports, Science, and Technology (MEXT) of Japan. This was also supported by the International Institute for Carbon Neutral Energy Research (WPI-I2CNER), sponsored by the World Premier International Research Center Initiative (WPI), MEXT, Japan. K. K. acknowledges the Research Fellowships of the Japan Society for the Promotion of Science for Young Scientist. We thank Prof. Keiji Tanaka and Mr Yudai Ogata (Department of Applied Chemistry, Kyushu University) for the kind assistance with the picosecond TA measurements.
Publisher Copyright:
© The Royal Society of Chemistry.
PY - 2016/1/25
Y1 - 2016/1/25
N2 - A new single-component photocatalyst for the reduction of water to H2, a dichloro(dpbpy)platinum(ii) derivative (dpbpy = 4,4′-diphenyl-2,2′-bipyridine) tethered to four pendant viologen acceptors (1), is shown to exhibit twice higher photocatalytic efficiency than the previously reported dichloro(bpy)-platinum(ii) analog (2; bpy = 2,2′-bipyridine), consistent with the higher absorptivity of 1 at the metal-to-ligand charge transfer (1MLCT) band due to the larger π-conjugation in dpbpy relative to bpy.
AB - A new single-component photocatalyst for the reduction of water to H2, a dichloro(dpbpy)platinum(ii) derivative (dpbpy = 4,4′-diphenyl-2,2′-bipyridine) tethered to four pendant viologen acceptors (1), is shown to exhibit twice higher photocatalytic efficiency than the previously reported dichloro(bpy)-platinum(ii) analog (2; bpy = 2,2′-bipyridine), consistent with the higher absorptivity of 1 at the metal-to-ligand charge transfer (1MLCT) band due to the larger π-conjugation in dpbpy relative to bpy.
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U2 - 10.1039/c5cc08044d
DO - 10.1039/c5cc08044d
M3 - Article
C2 - 26616191
AN - SCOPUS:84954424717
SN - 1359-7345
VL - 52
SP - 1385
EP - 1388
JO - Chemical Communications
JF - Chemical Communications
IS - 7
ER -