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Junwei Yin,Zipeng Xing,Junyan Kuang,Zhenzi Li,Qi Zhu,Wei Zhou 한국공업화학회 2019 Journal of Industrial and Engineering Chemistry Vol.78 No.-
Surface engineering of Ag/Bi2MoO6 nanosheets/TiO2 nanobelts ternary heterostructures with dualoxygen vacancy defects are successfully synthesized though a hydrothermal-photodeposition methodcombined with high-temperature surface hydrogenation. Bi2MoO6 nanosheets are grown on surface ofTiO2 nanobelts to form heterojunctions, and Ag nanoparticles are decorated on their surfaces for surfaceplasmon resonance (SPR). After surface hydrogenation, oxygen vacancy not only appear on TiO2, but alsoon Bi2MoO6 to achieve dual oxygen vacancy defects for thefirst time. Under visible light irradiation, HAg-BMO/TiO2 shows excellent photodegradation of 93.7% for metribuzin, high photocatalytic H2evolution rate of 143.5 mmol h 1 g 1, and outstanding photoelectrochemical performance.
Zhenmin Liu,Junwei Wang,Mao-qing Kang,Ning Yin,Xin-kui Wang,Yisheng Tan,Yulei Zhu 한국공업화학회 2015 Journal of Industrial and Engineering Chemistry Vol.21 No.1
MgAl hydrotalcite synthesized via co-precipitation method from magnesium and aluminum nitrateswas calcined to produce Mg4AlO5.5 mixed oxides. The oxides were modified by introducing LiNO3 andapplied to the synthesis of glycerol carbonate from glycerol and dimethyl carbonate. The research resultsindicated that LiNO3/Mg4AlO5.5 was an efficient catalyst for the synthesis of glycerol carbonate. The fullconversion of glycerol and 96.28% yield of glycerol carbonate were obtained after reacting at 80 8C for1.5 h in the presence of LiNO3/Mg4AlO5.5. The structure and properties of the catalysts were studied bymeans of XRD, TGA, BET, CO2-TPD and Hammett indicator method. It was found that the basic strengthand the basicity of the catalysts were enhanced after addition of LiNO3. Over Mg4AlO5.5 oxides, LiNO3 waseasily converted to LiAlO2 which constituted new strong basic sites. Too high basic strength and basicityof catalysts may improve the conversion of glycerol at the cost of GC selectivity reduction.