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Enhancing Photoluminescence Quantum Yield in OD Metal Halides by Introducing Water Molecules

机译：通过引入水分子，增强OD金属卤化物中的光致发光量子产量

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摘要

Enhancing photoluminescence quantum yield (PLQY) is one of the most important issues in photoluminescent materials. Herein, a molecule design strategy to improve the PLQY in 0D metal halides is proposed. Two new lead-free organic-inorganic metal halide hybrids with broadband orange emissions have been prepared with a PLQY increase of 57% from (C6N2H16)SbCl5(I) to (C6N2H16)SbCl5.H2O (II) by introducing H2O molecules. These two compounds have very similar inorganic frameworks, except that the incorporation of water molecules inIIincreases the distance between the [SbCl5] polyhedra. It is revealed that the increase of PLQY is mainly attributed to the generation of more local photoelectrons resulting from the additional water molecules. This work provides a new insight to improve the PLQY for 0D environmentally friendly organic-inorganic metal halide hybrids and is beneficial for further photoluminescent material exploration.
机译：增强光致发光量子产量（PLQY）是光致发光材料中最重要的问题之一。这里，提出了改进0d金属卤化物中PLQy的分子设计策略。通过引入H2O分子，通过引入H2O分子，制备具有宽带橙色排放的两种具有宽带橙色排放的新型无铅有机无机金属卤化物杂交物，从（C6N2H16）SBCL5（I）至（C6N2H16）SBCl5.H2O（II）。这两种化合物具有非常相似的无机框架，不同之处在于掺入水分子的掺入源于[Sbcl5]多面体之间的距离。据透露，Plqy的增加主要归因于由额外的水分子产生的更多局部光电子。这项工作提供了新的洞察力，可以改善0D环保有机无机金属卤化物杂种的PLQY，并有利于进一步的光致发光材料探索。

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  • 来源
    《Advanced Functional Materials》 |2020年第32期|2002468.1-2002468.6|共6页
  • 作者

    Song Gaomin; Li Mingze; Zhang Shengzi; Wang Naizheng; Gong Pifu; Xia Zhiguo; Lin Zheshuai;

  • 作者单位

    Chinese Acad Sci Tech Inst Phys & Chem Beijing 100190 Peoples R China|Univ Chinese Acad Sci Beijing 100190 Peoples R China;

    Univ Sci & Technol Beijing Sch Mat Sci & Engn Beijing Municipal Key Lab New Energy Mat & Techno Beijing 100083 Peoples R China;

    Chinese Acad Sci Tech Inst Phys & Chem Beijing 100190 Peoples R China|Univ Chinese Acad Sci Beijing 100190 Peoples R China;

    Chinese Acad Sci Tech Inst Phys & Chem Beijing 100190 Peoples R China|Univ Chinese Acad Sci Beijing 100190 Peoples R China;

    Chinese Acad Sci Tech Inst Phys & Chem Beijing 100190 Peoples R China;

    Univ Sci & Technol Beijing Sch Mat Sci & Engn Beijing Municipal Key Lab New Energy Mat & Techno Beijing 100083 Peoples R China|South China Univ Technol State Key Lab Luminescent Mat & Devices Guangzhou 510641 Guangdong Peoples R China|South China Univ Technol Inst Opt Commun Mat Guangzhou 510641 Guangdong Peoples R China;

    Chinese Acad Sci Tech Inst Phys & Chem Beijing 100190 Peoples R China|Univ Chinese Acad Sci Beijing 100190 Peoples R China|Univ Chinese Acad Sci Ctr Mat Sci & Optoelect Engn Beijing 100049 Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    antimony; photoluminescence quantum yield enhancement; 0D metal halide hybrids;

    机译：锑;光致发光量子产量增强;0d金属卤化物杂种;

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