4.7 Article

Efficient Near-Infrared Light-Driven Hydrogen Evolution Catalyzed by a Saddle-Distorted Porphyrin as a Photocatalyst

Journal

ACS APPLIED ENERGY MATERIALS
Volume 3, Issue 4, Pages 3193-3197

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/acsaem.0c00206

Keywords

near-infrared (NIR) light; diprotonated saddle-distorted porphyrin; H-2 evolution reactions (HERs); quantum yield; photoinduced electron transfer; photocatalysis

Funding

  1. Japan Society of Promotion of Science (JSPS, MEXT) of Japan [17H03027]
  2. CREST (JST) [JPMJCR16P1]

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Development of a near-infrared (NIR) light-induced hydrogen (H-2) evolution system is indispensable for constructing a sustainable society wherein the utilization of solar energy is maximized. Here, we report NIR light-driven H-2 evolution catalyzed by a combination of a diprotonated saddle-distorted porphyrin as a photosensitizer and platinum nanoparticles as a H-2 -evolving catalyst. The quantum yield at 710 nm was determined to be 17%, which is the highest value among photocatalytic H-2-evolution systems ever reported.

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