Journal
CHEMCATCHEM
Volume 7, Issue 18, Pages 2826-2830Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cctc.201500343
Keywords
caffeine; carbon nitride; films; photocatalysis; supramolecular chemistry
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An alternative method for the structure tuning of carbon nitride materials by using a supramolecular approach in combination with caffeine as lining-agent is described. The self-assembly of the precursor complex consisting of melamine and cyanuric acid can be controlled by this doping molecule in terms of morphology, electronic, and photophysical properties. Caffeine is proposed to insert as an edge-molecule eventually leading to hollow tube-like carbon nitride structures with improved efficiency of charge formation. Compared to the bulk carbon nitride, the caffeine-doped analogue possesses a higher photocatalytic activity for the degradation of rhodamineB dye. Furthermore, this approach is also shown to be suitable for the modification of carbon nitride electrodes.
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