Journal
APPLIED CATALYSIS B-ENVIRONMENTAL
Volume 174, Issue -, Pages 477-485Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apcatb.2015.03.035
Keywords
Porous; C6N9H3; Photocatalytic; NO removal; Visible light
Funding
- Research Grant Council, Hong Kong SAR Government [ECS 809813]
- Hong Kong Institute of Education [04022, REG-2, R3429]
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We reported the possible synthesis of a new porous graphene-like carbon nitride (C6N9H3) by simply adding hydrochloric acid in the precursor of block g-C3N4. The formation of the porous graphene-like C6N9H3 can be attributed to the change in the thermal condensation modal of the precursor and the acidic condition induced by Cl- and H+. The photocatalytic activity of the samples was evaluated by the removal of NO under visible light illumination. We found that the porous graphene-like C6N9H3 exhibited enhanced photocatalytic activity compared to the block g-C3N4. We also researched the removal mechanism and found that the removal of NO in our systems was due to the synergic effect of h(+) and O-center dot(2-). This study could shed light on the design of efficient photocatalysts and facilitate a deep understanding of the NO removal mechanism through photocatalytic technology. (C) 2015 Elsevier B.V. All rights reserved.
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