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Silicon nanotubes （SiNTs） are novel one-dimensional nanomaterials, which have potential applications in nano- photoelectric devices, sensors and field-emission devices. The self-assembled silicon nanotubes have clear structures without metal catalysts. The structures are confirmed by TEM and HRTEM, and the UV-vis absorption spectra with an absorption peak near 685nm and PL spectra with widened strong emission near 436nm are measured by UV-vis spectrometer and spectroftuorophotometer. 相似文献
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