4.8 Article

Starburst Triarylamine Donor-Based Metal-Free Photosensitizers for Photocatalytic Hydrogen Production from Water

Journal

ORGANIC LETTERS
Volume 19, Issue 5, Pages 1048-1051

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/acs.orglett.7b00042

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Funding

  1. Hong Kong Baptist University [FRG2/15-16/074, FRG1/15-16/043]
  2. National Natural Science Foundation of China [21504074]
  3. Science, Technology and Innovation Committee of Shenzhen Municipality [JCYJ20160531193836532]

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Three metal-free molecular photosensitizers (S1-S3) featuring a starburst triarylamine donor moiety have been synthesized. They show attractive photocatalytic performance in visible light-driven H-2 production from water in their platinized TiO2 composites. A remarkable H-2 turnover number (TON) of 10 200 (48 h) was achieved in an S1-anchored system.

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