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The photocatalytic performance of graphitic carbon nitride (g‐C3N4) is greatly hindered by weak absorption in the visible light region. In article number 1605148, Tierui Zhang and co‐workers report a new method to prepare nitrogen defective g‐C3Nx with a controlled bandgap, through alkaliassisted thermal polymerization using various precursors. The optimized nitrogen defects can narrow the bandgap...
A facile synthetic strategy for nitrogen‐deficient graphitic carbon nitride (g‐C3Nx) is established, involving a simple alkali‐assisted thermal polymerization of urea, melamine, or thiourea. In situ introduced nitrogen vacancies significantly redshift the absorption edge of g‐C3Nx, with the defect concentration depending on the alkali to nitrogen precursor ratio. The g‐C3Nx products show superior...
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