Journal
ADVANCED SCIENCE
Volume 6, Issue 1, Pages -Publisher
WILEY
DOI: 10.1002/advs.201801403
Keywords
alkene deuterations; crystalline KPCN; deuterated chemicals; hydrogen evolution; photocatalysis
Categories
Funding
- National Nature Science Foundation of China [51502174, 21761142011, 21401190]
- Shenzhen Peacock Plan [827-000113, KQJSCX20170727100802505, KQTD2016053112042971]
- Singapore National Research Foundation [NRF2017NRF-NSFC001-007]
- Educational Commission of Guangdong Province [2016KCXTD006, 2016KSTCX126]
- Shenzhen Innovation Program [JCYJ 20170818142642395]
- Guangdong Special Support Program
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In addition to the significance of photocatalytic hydrogen evolution, the utilization of the in situ generated H/D (deuterium) active species from water splitting for artificial photosynthesis of high value-added chemicals is very attractive and promising. Herein, photocatalytic water splitting technology is utilized to generate D-active species (i.e., D-ad) that can be stabilized on anchored 2nd metal catalyst and are readily for tandem controllable deuterations of carbon-carbon multibonds to produce high value-added D-labeled chemicals/pharmaceuticals. A highly crystalline K cations intercalated polymeric carbon nitride (KPCN), rationally designed, and fabricated by a solid-template induced growth, is served as an ultraefficient photocatalyst, which shows a greater than 18-fold enhancement in the photocatalytic hydrogen evolution over the bulk PCN. The photocatalytic in situ generated D-species by superior KPCN are utilized for selective deuteration of a variety of alkenes and alkynes by anchored 2nd catalyst, Pd nanoparticles, to produce the corresponding D-labeled chemicals and pharmaceuticals with high yields and D-incorporation. This work highlights the great potential of developing photocatalytic water splitting technology for artificial photosynthesis of value-added chemicals instead of H-2 evolution.
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