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首页> 外文期刊>RSC Advances >Facile synthesis of aqueous-dispersed luminescent nanosheets from non-layered lanthanum hexaboride
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Facile synthesis of aqueous-dispersed luminescent nanosheets from non-layered lanthanum hexaboride

机译：从非层状镧六硼化镧的水分散亮纳米片的容易合成

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摘要

Two-dimensional nanosheets of non-layered materials have been considered as inaccessible through exfoliation techniques, due to their intrinsic three-dimensional lattice structure. Herein we report the successful synthesis of nanosheets from non-layered, lanthanum hexaboride through a facile, solution-assisted, surfactant-free, sonication. The morphological studies clearly show the presence of nanosheets having thickness of a few nanometers, and having lateral dimensions of several hundreds of nanometres. The as-fabricated nanosheets were found to be rich in hydroxyl groups, and hence exhibit excellent dispersion stability in water. The aqueous-dispersed nanosheets demonstrate excitation-wavelength dependent luminescence in the blue-cyan region, when excited with UV-light.
机译：由于其固有的三维晶格结构，通过剥离技术被认为是不可接近的非层叠材料的二维纳米片。在此，我们通过容易，溶液辅助，无表面活性剂，超声处理报告从非层叠，镧六硼烷基的纳米片的成功合成。形态学研究清楚地表明存在具有几纳米厚度的纳米片，并且具有几百纳米的横向尺寸。发现纳米片富含羟基，因此在水中表现出优异的分散稳定性。水溶液分散的纳米片在用紫外线激发时，在蓝色青色区域中表现出激发波长依赖性发光。

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