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Synthesis and model simulation of the hexagonal to circular transition of perovskite cesium lead halide nanosheets by rapidly changing the temperature

机译：通过快速改变温度的肝铅卤化铅卤化物纳米片循环过渡的合成与模型模拟

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摘要

Lead halide perovskites have emerged as promising optoelectronic materials due to their excellent efficiencies in photovoltaic and light-emitting applications. CsPbBr3 is a kind of all-inorganic perovskite that exhibits higher stability. Here, we report the synthesis of hexagonal and circular all-inorganic CsPbBr3 perovskite nanoplates by changing the reaction temperature. As time goes on, the different reaction temperatures play an important role in determining the shape and size. We use first-principles to explicate the formation of hexagonal nanoplates. Meanwhile, a model is built and the calculation of the properties is conducted. In brief, a method to directly and conveniently synthesize all-inorganic CsPbBr3 is proposed.
机译：由于光伏和发光应用的优异效率，铅卤化铅钙锌矿已成为有前途的光电材料。 CSPBBR3是一种具有更高稳定性的全无机钙钛矿。 在这里，我们通过改变反应温度来报告六边形和圆形全无机CSPBBR3钙钛矿的合成。 随着时间的推移，不同的反应温度在确定形状和尺寸方面发挥着重要作用。 我们使用初始原则来突出六边形纳米孔的形成。 同时，构建了模型，并进行了计算的计算。 简而言之，提出了一种直接和方便地合成全无机CSPBBR3的方法。

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  • 来源
    《RSC Advances》 |2020年第8期|共7页
  • 作者

    Lin Zhong-Hai; Gao Fei; Chen Hong; Lei Jia-Yi; Yang Zhi; Cai Jun-Wei; Wang Ping-Jian; Wang Ming-Qiang;

  • 作者单位

    Shandong Technol &

    Business Univ Key Lab Intelligent Informat Proc Univ Shandong Yantai 264005 Peoples R China;

    Shandong Technol &

    Business Univ Key Lab Intelligent Informat Proc Univ Shandong Yantai 264005 Peoples R China;

    Shandong Technol &

    Business Univ Key Lab Intelligent Informat Proc Univ Shandong Yantai 264005 Peoples R China;

    Shandong Technol &

    Business Univ Key Lab Intelligent Informat Proc Univ Shandong Yantai 264005 Peoples R China;

    Xi An Jiao Tong Univ ICDR Key Lab EMRL Educ Minist Xian 710049 Shaanxi Peoples R China;

    Shandong Technol &

    Business Univ Key Lab Intelligent Informat Proc Univ Shandong Yantai 264005 Peoples R China;

    Shandong Technol &

    Business Univ Key Lab Intelligent Informat Proc Univ Shandong Yantai 264005 Peoples R China;

    Xi An Jiao Tong Univ ICDR Key Lab EMRL Educ Minist Xian 710049 Shaanxi Peoples R China;

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  • 正文语种 eng
  • 中图分类 化学;
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