Photocatalytic Synthesis of Phenol by Direct Hydroxylation of Benzene by a Modified Nanoporous Silica (LUS-1) under Sunlight

催化学报 , 2012, 33(8): 1347-1353. doi: 10.1016/S1872-2067(11)60422-1

Photocatalytic Synthesis of Phenol by Direct Hydroxylation of Benzene by a Modified Nanoporous Silica (LUS-1) under Sunlight

^1, , ^2, , ^3, , ^4, , ^5,

1.School of Chemistry, College of Science, University of Tehran, Tehran, Iran

2.School of Chemistry, College of Science, University of Tehran, Tehran, Iran

3.Department of Chemistry, Faculty of Science, Alzahra University, Tehran, Iran

4.School of Chemistry, College of Science, University of Tehran, Tehran, Iran

5.School of Chemistry, College of Science, University of Tehran, Tehran, Iran

基金项目: University of Tehran

Photocatalytic Synthesis of Phenol by Direct Hydroxylation of Benzene by a Modified Nanoporous Silica (LUS-1) under Sunlight

Ghasem SHIRAVAND ^1, , Alireza BADIEI ^2, , Ghodsi Mohammadi ZIARANI ^3, , Morteza JAFARABADI ^4, , Majid HAMZEHLOO ^5,

1.School of Chemistry, College of Science, University of Tehran, Tehran, Iran

2.School of Chemistry, College of Science, University of Tehran, Tehran, Iran

3.Department of Chemistry, Faculty of Science, Alzahra University, Tehran, Iran

4.School of Chemistry, College of Science, University of Tehran, Tehran, Iran

5.School of Chemistry, College of Science, University of Tehran, Tehran, Iran

Keywords： mesoporous silica

Fe-g-C3N4-LUS-1was prepared by the thermal decomposition of dicyandiamide inside the pores of LUS-1under an inert atmosphere.It was used as a photocatalyst for the hydroxylation of benzene to phenol in sunlight.The catalysts were characterized by Fourier transform infrared spectroscopy,N2 adsorption-desorption,X-ray diffraction,and scanning electron microscopy.In Fe-g-C3N4-LUS-1,a single layer of graphitic carbon nitride (g-C3N4) was formed on the surface of LUS-1.The photocatalytic activity of the iron containing g-C3N4based catalysts was investigated,and the catalytic activity was remarkably enhanced when the reaction condition was changed from dark to sunlight.The best result was obtained with 20％Fe-g-C3N4-LUS-1 in sunlight.

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Photocatalytic Synthesis of Phenol by Direct Hydroxylation of Benzene by a Modified Nanoporous Silica (LUS-1) under Sunlight

Photocatalytic Synthesis of Phenol by Direct Hydroxylation of Benzene by a Modified Nanoporous Silica (LUS-1) under Sunlight

参考文献