Journal
RSC ADVANCES
Volume 6, Issue 73, Pages 69045-69051Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c6ra11851h
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Funding
- National Natural Science Foundation of China [21173073, 21273064, 21503074, 21571055]
- Natural Science Fund for Creative Research Groups of Hubei Province [2014CFA015]
- Natural Science Fund of Hubei Province [2015CFB232]
- Key Project of the Education Department of Hubei Province [D20141004]
- Sci-tech Support Project of the Science and Technology Department of Hubei Province [2014BAA098]
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Highly mesoporous carbon nitrides (CN) are synthesized through a simple polymerization reaction, including ethylenediamine (EDA), organic chlorides, with nano SiO2 as a hard-template. The degree of polymerization of the as-synthesized CN can easily be controlled by varying the organic chlorides. The CN derived from chloroform exhibits a low degree of polymerization, along with a high specific surface area of 315.9 m(2) g(-1) and pore volume of 0.87 cm(3) g(-1), in which the mesopore volume proportion reaches as high as 90.9%. Owing to the rich N groups (15.6 wt%), this basic network with open channels renders homogeneously dispersed Pd coordinated in the mesoporous carbonaceous framework and creates a highly active and stable Pd/CN catalyst for the selective hydrodeoxygenation of vanillin at low pressure (<1 MPa) and temperature (<70 degrees C). The best TOF reaches 295.4 h(-1), and the Pd/CN catalyst can be used at least 6 times without obvious loss of its catalytic performance.
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