Solvothermal synthesis and study of nonlinear optical properties of nanocrystalline thallium doped bismuth telluride
作者： Muralikrishna Molli , Sowmendran Parola , L.A. Avinash Chunduri , Saikiran Aditha , V Sai Muthukumar
DOI: 10.1016/J.JSSC.2011.11.051
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摘要: Nanocrystalline Bismuth telluride and thallium (4 mol %) doped were synthesized through hydrothermal method. The as-prepared products characterized using Powder X-ray Diffraction, High Resolution Transmission Electron Microscopy, Energy Dispersive X-Ray Spectroscopy, UV-Visible spectroscopy Fourier Transform Infrared Spectroscopy. XRD results revealed the crystalline nature of obtained phases. HRTEM showed particle-like morphology products. decrease in absorption coefficient due to doping was observed FTIR spectra. intensity dependent nonlinear optical properties nanocrystalline bismuth studied Z-scan technique open-aperture configuration. with enhanced response compared pristine hence could be used as a potential candidate for power limiting applications. - Graphical Abstract: Nonlinear transmission (Z-scan) curves ({Delta}) ({open_square}). Thallium telluride. Inset: TEM micrograph nanocrystallites. Highlights: Black-Right-Pointing-Pointer Synthesis Bi{sub 2}Te{sub 3} solvothermal Reduced found from IR spectroscopy. Open-aperture nonlinearmore » studies. Two photon based model theoretical fitting data. Enhanced applications.« less
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