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Rational design of infrared nonlinear optical chalcogenides by chemical substitution

机译：用化学取代的红外非线性光学硫芥子生成的理性设计

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摘要

Infrared nonlinear optical (IR-NLO) materials are crucial for obtaining the solid-state lasers in the spectral range of 2-20 mu m, which have a broad range of applications, such as signal communication, microscopy, and data processing. Yet, the considerable challenge is how to obtain a strictly structural non-centrosymmetric (NCS) space group, which is the paramount precondition for the IR-NLO materials. Thus, over the past decades, continuous efforts have been made to obtain the crystals with NCS space groups by adopting various synthesis approaches, discovering numerous state-of-the-art IR-NLO materials, especially inorganic chalcogenides. Among them, the chemical substitution strategy has proven to be a general and effective method based on known structural prototypes, which can maintain or recombine the crystal structures by a simple element replacement. In this review, 17 representative types (including 6 crystal systems, 27 NCS space groups and about 600 inorganic chalcogenides) ranging from zero-dimensional (0D) molecular to the three-dimensional (3D) framework, and then to mixed-dimensional (MD) structures obtained by the chemical substitution strategy are selected and discussed. The interrelationship of "chemical composition-NCS structure-NLO property" for the 17 representative types is studied and summarized systematically. In addition, the two kinds of structural transformations based on the chemical substitution strategy, including centrosymmetric (CS) to NCS and NCS to NCS, are also described. Finally, we conclude and give the future prospects of this research area. (C) 2019 Elsevier B.V. All rights reserved.
机译：红外非线性光学（IR-NLO）材料对于获得2-20μm的光谱范围内的固态激光器是至关重要的，其具有广泛的应用，例如信号通信，显微镜和数据处理。然而，相当大的挑战是如何获得严格的结构非CentroSmmetric（NCS）空间组，这是IR-NLO材料的最重要的前提条件。因此，在过去几十年中，已经通过采用各种合成方法来获得具有NCS空间基团的晶体，发现许多最先进的IR-NLO材料，尤其是无机硫属元素化物。其中，化学替代策略已被证明是一种基于已知结构原型的一般和有效的方法，可以通过简单的元件更换来维持或重新组合晶体结构。在本次综述中，17种代表性类型（包括6种晶体系统，27个NCS空间组和大约600种无机硫属核苷酸）从零维（0d）分子到三维（3D）框架，然后与混合维（MD选择并讨论通过化学取代策略获得的结构。在系统地研究并总结了17种代表性类型的“化学成分-NCS结构-NLO性质”的相互关系。此外，还描述了基于化学取代策略的两种结构转变，包括亚氨基微量（CS）和NCS至NCS。最后，我们得出结论并给出了这一研究领域的未来前景。 （c）2019 Elsevier B.v.保留所有权利。

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  • 来源
    《Coordination chemistry reviews》 |2020年第3期|213150.1-213150.24|共24页
  • 作者

    Lin Hua; Wei Wen-Bo; Chen Hong; Wu Xin-Tao; Zhu Qi-Long;

  • 作者单位

    Chinese Acad Sci Fujian Inst Res Struct Matter State Key Lab Struct Chem Fuzhou 350002 Peoples R China;

    Chinese Acad Sci Fujian Inst Res Struct Matter State Key Lab Struct Chem Fuzhou 350002 Peoples R China|Univ Chinese Acad Sci Beijing 100049 Peoples R China;

    Chinese Acad Sci Fujian Inst Res Struct Matter State Key Lab Struct Chem Fuzhou 350002 Peoples R China;

    Chinese Acad Sci Fujian Inst Res Struct Matter State Key Lab Struct Chem Fuzhou 350002 Peoples R China;

    Chinese Acad Sci Fujian Inst Res Struct Matter State Key Lab Struct Chem Fuzhou 350002 Peoples R China;

  • 收录信息 美国《科学引文索引》(SCI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Chalcogenides; Infrared; Nonlinear optics; Solid-state reaction; Chemical substitution;

    机译：硫属化物;红外线;非线性光学;固态反应;化学替代;

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