Photocatalytic Reforming of Methanol Over Poly Heptazine Imide: Interlayer Stacking Modification Induced Rapid Charge Transfer - Details

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Abstract：

As　a　crystalline　allotrope　of　carbon　nitrides,　poly　(heptazine　imide)　(PHI)　exhibits　great　potential　for　photocatalytic　reforming　of　biomass-derived　alcohols.　However,　its　activity　is　greatly　constrained　due　to　insufficient　charge　migration　and　severe　non-radiative　recombination.　To　address　this　issue,　PHI　with　high　interlayer　stacking　orderliness　is　fabricated　through　a　facile　ion　exchange　strategy.　Characterizations　reveal　that　rational　modification　of　the　interlayer　stacking　mode　of　PHI　could　efficiently　suppress　non-radiative　recombination　and　improve　charge　transfer　efficiency.　Accordingly,　the　optimal　sample　exhibits　high　photocatalytic　reforming　activity　for　H2　evolution,　which　is　up　to　2.16　mmol·g−1·h−1,　and　with　a　quantum　efficiency　reaches　26.7%　at　400 nm.　©　2025　Wiley-VCH　GmbH.

Keyword：

Biomass conversion Hydrogen production Interlayer stacking modes Nonradiative recombination Poly heptazine imide

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[ 1 ] [Sun Q.]Institution State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350116, China
[ 2 ] [Cheng X.]Institution State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350116, China
[ 3 ] [Qie M.]Institution State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350116, China
[ 4 ] [Pan Z.]Institution State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350116, China
[ 5 ] [Li G.]College of Environmental and Chemical Engineering, Zhaoqing University, Zhaoqing, 526061, China
[ 6 ] [Zhang X.]Institution State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350116, China
[ 7 ] [Wang S.]Institution State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350116, China
[ 8 ] [Zhang G.]Institution State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350116, China

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ChemCatChem

ISSN： 1867-3880

Year： 2025

3 . 8 0 0

JCR@2023

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