Structure and Optical Properties of Mechanochemically Obtained Nanocomposite CsPbBr3/h-BN

IF 0.7 4区 化学 Q4 CHEMISTRY, MULTIDISCIPLINARY Theoretical and Experimental Chemistry Pub Date : 2023-02-15 DOI:10.1007/s11237-023-09748-7
N. V. Konoshchuk, O. Yu. Posudievsky, O. P. Rozovik, V. G. Koshechko, V. D. Pokhodenko
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引用次数: 1

Abstract

For the first time, the possibility of a CsPbBr3/h-BN nanocomposite preparing by a mechanochemical treatment of a dry mixture of PbBr2 and a hexagonal boron nitride delaminated with cesium bromide has been demonstrated. X-ray diffraction and electron microscopy studies show that the use of this method leads to the formation of crystalline CsPbBr3 nanosheets. Unlike to the mechanochemically synthesized individual CsPbBr3, the CsPbBr3/h-BN nanocomposite is characterized by bright green luminescence. The nanocomposite has enhanced resistance to air moisture and sunlight due to the presence of a hydrophobic thermally conductive layers of boron nitride.

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机械化学法制备CsPbBr3/h-BN纳米复合材料的结构和光学性能
首次证明了将PbBr2和六方氮化硼与溴化铯分层的干燥混合物进行机械化学处理制备CsPbBr3/h-BN纳米复合材料的可能性。x射线衍射和电子显微镜研究表明,使用这种方法可以形成结晶的CsPbBr3纳米片。与机械化学合成的单个CsPbBr3不同,CsPbBr3/h-BN纳米复合材料具有亮绿色发光的特征。由于氮化硼疏水导热层的存在,纳米复合材料增强了对空气湿度和阳光的抵抗力。
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来源期刊
Theoretical and Experimental Chemistry
Theoretical and Experimental Chemistry CHEMISTRY, MULTIDISCIPLINARY-
CiteScore
1.60
自引率
10.00%
发文量
30
审稿时长
6-12 weeks
期刊介绍: Theoretical and Experimental Chemistry is a journal for the rapid publication of research communications and reviews on modern problems of physical chemistry such as: a) physicochemical bases, principles, and methods for creation of novel processes, compounds, and materials; b) physicochemical principles of chemical process control, influence of external physical forces on chemical reactions; c) physical nanochemistry, nanostructures and nanomaterials, functional nanomaterials, size-dependent properties of materials.
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