Synthesis of one-dimensional calcium silicate nanowires as effective broadband optical limiters

Li Wei; Zheng Chan; Guo Qiaohang; Chen Wenzhe

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Synthesis of one-dimensional calcium silicate nanowires as effective broadband optical limiters

机译：用一维硅酸钙纳米线合成有效宽带光学限制器

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Synthesis of inorganic nanostructures with novel morphologies has attracted increasing attention from chemistry and materials science researchers. Calcium silicate nanowires (CaSiO3 NWs) were successfully prepared using a water-ethanol mixture solution system via hydrothermal synthesis. The resulting CaSiO3 NWs were uniform, with widths averaging 10-20 nm and lengths up to several micrometers. The synthesized silicate NWs were highly crystalline and mainly constituted of SiO4 tetrahedra. The nanosecond optical limiting (OL) effects were characterized using an open-aperture (OA) Z-scan technique with 4 ns laser pulses at 532 and 1064 nm. These CaSiO3 NWs exhibited excellent OL performance, superior to that of carbon nanotubes, which are a benchmark optical limiter. Input-fluence-dependent scattering measurements suggested that nonlinear scattering played an important role in the observed OL behavior in the CaSiO3 NWs at 532 and 1064 nm. This study provides new insights into the silicate nanowires, which will help in the design and preparation of ID materials with improved nonlinear optical properties. (C) 2018 Optical Society of America

机译：具有新形态学的无机纳米结构的合成引起了化学和材料科学研究人员的越来越多的关注。使用水 - 乙醇混合溶液体系通过水热合成成功制备硅酸钙纳米线（CasiO3 NWS）。得到的CasiO3 NWS是均匀的，宽度平均10-20nm，长达几微米。合成的硅酸盐NW是高度结晶的，主要由SiO 4四腹部构成。使用具有4NS激光脉冲的开口孔径（OA）Z扫描技术，在532和1064nm处表征纳秒光学限制（OL）效果。这些CASIO3 NWS表现出优异的OL性能，优于碳纳米管的性能，这是基准光学限制器。输入流量依赖性散射测量表明，非线性散射在532和1064nm处的CasiO3 NWS中观察到的OL行为中起重要作用。本研究为硅酸盐纳米线提供了新的洞察力，这将有助于设计和制备具有改进的非线性光学性质的ID材料。（c）2018年光学学会

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《Applied optics》 |2018年第30期|共6页
作者
Li Wei; Zheng Chan; Guo Qiaohang; Chen Wenzhe;
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Fujian Univ Technol Sch Mat Sci &

Engn 3 Xueyuan Rd Fuzhou 350108 Fujian Peoples R China;

Fujian Univ Technol Sch Mat Sci &

Engn 3 Xueyuan Rd Fuzhou 350108 Fujian Peoples R China;

Fujian Univ Technol Sch Mat Sci &

Engn 3 Xueyuan Rd Fuzhou 350108 Fujian Peoples R China;

Fujian Univ Technol Sch Mat Sci &

Engn 3 Xueyuan Rd Fuzhou 350108 Fujian Peoples R China;

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Synthesis of one-dimensional calcium silicate nanowires as effective broadband optical limiters

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