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The acid-base vapors/light double responsive dye-infiltrated SiO2 inverse opal photonic crystals (PCs) were fabricated by sacrificial template method and a subsequent infiltration of spiropyran derivative dye molecules. The fluorescence of ring-open dye molecules infiltrated in PCs can be switched on/off based on different fluorescence properties of spiropyran dye under stimuli of acid-base vapors...
A large amount of Ni2Si nanowires sheathed with amorphous silicon oxide has been generated from Ni substrates, for the first time, by thermal chemical vapor deposition using SiH4 gas at 500 °C. The Ni2Si nanowires obtained possess substantial amounts of branches (about 2-μm length) grown on the main stems (about -–30 80nm diameter and -–10 20μm length). High-resolution transmission electron microscopy...
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