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Published on: November 29, 2016
Microstructure and photoluminescence studies of Sb-doped SnO2 zigzag nanobelts
1Center for Nano-Enable Energy Technology and Functional Nanodevices, Wuhan National Laboratory for Optoelectronics, School of Physics, College of Optoelectronic Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, China.
Abstract:
SnO2 zigzag nanobelts were successfully Sb-doped by a simple vapor deposition method. Field emission scanning electron microscope (FESEM), high resolution transmission electron microscope (HRTEM), and X-ray diffraction (XRD) were used to characterize these Sb-doped nanobelts. The Sb doping in SnO2 nanobelts was confirmed by Energy Dispersive X-ray spectrum (EDS) and X-ray photoelectron spectroscopy (XPS). It is found that there is no apparent lattice distance difference between the pure SnO2 and the 0.705 at% Sb doped SnO2 nanobelts. A slight blue-shift in the photoluminescence (PL) spectra was shown with the increase of Sb doping concentration and a reasonable explanation was given.
