Figure 1. TEM images of PbSO₄–oleate capped (A) CsPbCl₃, (B) CsPbBr₃, and (C) CsPbI₃ nanocrystals. (D) Photograph of CsPbX₃ (X= Cl, Br, I) nanocrystals with varying compositions and thus emission covering the entire visible range. From refs 17 and 18. Copyright 2018 American Chemical Society. Figure 2. Tuning the band energies to achieve Type I and Type II heterostructures. From ref 13. Copyright 2019 American Chemical Society. Views expressed in this Energy Focus are those of the authors and not necessarily the views of the ACS. The authors declare no competing financial interest. This article has not yet been cited by other publications. Figure 1. TEM images of PbSO₄–oleate capped (A) CsPbCl₃, (B) CsPbBr₃, and (C) CsPbI₃ nanocrystals. (D) Photograph of CsPbX₃ (X= Cl, Br, I) nanocrystals with varying compositions and thus emission covering the entire visible range. From refs 17 and 18. Copyright 2018 American Chemical Society. Figure 2. Tuning the band energies to achieve Type I and Type II heterostructures. From ref 13. Copyright 2019 American Chemical Society.

中文翻译：

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钙钛矿纳米晶体异质结构设计中的挑战与机遇

图1. PbSO _4-油酸酯封端的（A）CsPbCl ₃，（B）CsPbBr ₃和（C）CsPbI ₃纳米晶体的TEM图像。（D）具有不同组成的CsPbX ₃（X = Cl，Br，I）纳米晶体的照片，因此发射覆盖整个可见范围。参考文献17和18。版权所有2018美国化学会。图2.调整能带以实现I型和II型异质结构。参考文献13。版权所有2019美国化学学会。本“能源焦点”中表达的观点是作者的观点，不一定是ACS的观点。作者宣称没有竞争性的经济利益。本文尚未被其他出版物引用。图1. PbSO _4的TEM图像-油酸酯封端的（A）CsPbCl ₃，（B）CsPbBr ₃和（C）CsPbI ₃纳米晶体。（D）具有不同组成的CsPbX ₃（X = Cl，Br，I）纳米晶体的照片，因此发射覆盖整个可见范围。参考文献17和18。版权所有2018美国化学学会。图2.调整能带以实现I型和II型异质结构。参考文献13。版权所有2019美国化学学会。