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首页> 外文期刊>Journal of Physics, D. Applied Physics: A Europhysics Journal >Study on the highly transmitted Ag-In2O3/glass nanocomposite material: fabrication, microstructure and nonlinear absorption effects
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Study on the highly transmitted Ag-In2O3/glass nanocomposite material: fabrication, microstructure and nonlinear absorption effects

机译：高透射率Ag-In2O3 /玻璃纳米复合材料的研究：制备，微观结构和非线性吸收效应

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We fabricated a highly transmitted Ag-In2O3/glass nanocomposite material through a sol-gel method plus a controlled gas. Microstructural analysis revealed that the Ag and In elements in the Ag-In2O3 nanostructure exist in two forms: crystalline Ag nanoparticles and non-crystalline In2O3. And the crystalline Ag nanoparticles show the small size, uniform distribution and good dispersion in the glass host, thus triggering the surface plasmon resonance (SPR) effect and the quantum confinement effect. Remarkably, the Ag-In2O3/glass nanocomposite material exhibits the high transmittance greater than 70% in almost the whole visible spectral range. Open-aperture Z-scan technique further showed a typical two-photon absorption effect in the Ag-In2O3/glass nanocomposite material, where the nonlinear absorption coefficient was determined to be similar to 1.1 x 10(-9) cm W-1, and interestingly, the normalized transmittance decreased with increasing input fluence. The present results blaze a new path to develop the metal/glass nanocomposite materials with high transmittance, significant nonlinear absorption effects and potential optical limiting behavior. In addition, the mechanism on the nonlinear absorption effects were also discussed in this paper, such as the SPR effect, the quantum confinement effect, the thermal effects, the nonlinear scattering effect and the resonant nonlinear effect.
机译：我们通过溶胶-凝胶法和受控气体制备了高透射率的Ag-In2O3 /玻璃纳米复合材料。微观结构分析表明，Ag-In2O3纳米结构中的Ag和In元素以两种形式存在：结晶Ag纳米颗粒和非晶In2O3。结晶态的Ag纳米粒子在玻璃基质中显示出较小的尺寸，均匀的分布和良好的分散性，从而触发了表面等离子体共振（SPR）效应和量子限制效应。值得注意的是，Ag-In2O3 /玻璃纳米复合材料在几乎整个可见光谱范围内都显示出大于70％的高透射率。开孔Z扫描技术进一步显示了在Ag-In2O3 /玻璃纳米复合材料中典型的双光子吸收效应，其中非线性吸收系数被确定为与1.1 x 10（-9）cm W-1相似，并且有趣的是，归一化透射率随输入注量的增加而降低。本研究结果为开发具有高透射率，显着的非线性吸收效应和潜在的光学限制行为的金属/玻璃纳米复合材料开辟了一条新途径。另外，还讨论了非线性吸收效应的机理，如SPR效应，量子约束效应，热效应，非线性散射效应和共振非线性效应。

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