The facile synthesis of graphitic carbon nitride from amino acid and urea for photocatalytic H2 production

The facile synthesis of graphitic carbon nitride from amino acid and urea for photocatalytic H2... We report on the facile synthesis of g-C3N4 based polymers by co-condensing urea with glycine for photocatalytic hydrogen evolution. The as-prepared photocatalysts were then characterized by powder X-ray diffraction, Fourier transform infrared spectroscopy, UV–Vis diffuse reflectance spectroscopy, photoluminescence emission spectrometry, electron paramagnetic resonance spectrometry and transmission electron microscopy. Compared with pristine g-C3N4, obtained from direct pyrolysis of urea, the CNU-G5 photocatalyst showed largely enhanced photocatalytic H2 activities about 75 μmol h−1, which is 5 times higher than of the pristine CNU. The enhanced activities are ascribed to the larger specific area surface, strengthened optical absorption and improved electron transport ability. Our work opens up a new pathway for the synthesis graphitic carbon nitride photocatalysts with glycine modification to enhance photocatalytic activities. Research on Chemical Intermediates Springer Journals

The facile synthesis of graphitic carbon nitride from amino acid and urea for photocatalytic H2 production

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Springer Netherlands
Copyright © 2017 by Springer Science+Business Media B.V.
Chemistry; Catalysis; Physical Chemistry; Inorganic Chemistry
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