PS/TiO2 composite nanospheres were prepared in situ by seed emulsion polymerization,and the structure characterization was carried out by TEM、 UV-Vis、 FTIR、 DSC& TGA.The tribological behaviors of PS/TiO2 nanospher...PS/TiO2 composite nanospheres were prepared in situ by seed emulsion polymerization,and the structure characterization was carried out by TEM、 UV-Vis、 FTIR、 DSC& TGA.The tribological behaviors of PS/TiO2 nanospheres as additives in paraffin oil were evaluated on a four-ball machine.Experimental results indicate that the PS/TiO2 composite nanospheres have a good anti-wear performance.展开更多
Corrugated silicon nanocone(SiNC)arrays have been fabricated on a silicon wafer by two polystyrene-sphere-monolayer-masked etching steps in order to create high-performance antireflective coatings.The reflectance was ...Corrugated silicon nanocone(SiNC)arrays have been fabricated on a silicon wafer by two polystyrene-sphere-monolayer-masked etching steps in order to create high-performance antireflective coatings.The reflectance was reduced from above 35%to less than 0.7%in the range 400-1050 nm,and it remained below 0.5%at incidence angles up to 70°at 632.8 nm for both s-and p-polarized light.The fluorinated corrugated SiNC array surface exhibits superhydrophobic properties with a water contact angle of 164°.展开更多
文摘PS/TiO2 composite nanospheres were prepared in situ by seed emulsion polymerization,and the structure characterization was carried out by TEM、 UV-Vis、 FTIR、 DSC& TGA.The tribological behaviors of PS/TiO2 nanospheres as additives in paraffin oil were evaluated on a four-ball machine.Experimental results indicate that the PS/TiO2 composite nanospheres have a good anti-wear performance.
基金supported by the Key Laboratory of Preparation and Application of Environmentally Friendly Materials of the Ministry of Educationof ChinaDoctoral Scientific Research Project of Jilin Normal University,China~~
基金This work was supported by the National Natural Science Foundation of China(No.20373019)the Program for New Century Excellent Talents in University,and the National Basic Research Program(Nos.2007CB808003 and 2009CB939701).
文摘Corrugated silicon nanocone(SiNC)arrays have been fabricated on a silicon wafer by two polystyrene-sphere-monolayer-masked etching steps in order to create high-performance antireflective coatings.The reflectance was reduced from above 35%to less than 0.7%in the range 400-1050 nm,and it remained below 0.5%at incidence angles up to 70°at 632.8 nm for both s-and p-polarized light.The fluorinated corrugated SiNC array surface exhibits superhydrophobic properties with a water contact angle of 164°.