2025年2月3日 · The at. structure of CsPbBr3 nanocubes (NCs) was studied at the single-particle level via a HRTEM defocus-series anal. The technique entails acquiring lattice-resolved HRTEM images of individual NCs over progressive defocus values.

2024年10月14日 · Here we design and in-situ synthesize multi-site ZnS (Ag)-CsPbBr 3 heterostructures to modulate the bright and fast features of scintillators. We find external energy from ZnS (Ag) can...

2018年12月27日 · The atomic structure of CsPbBr 3 nanocubes (NCs) was studied at the single-particle level via a high-resolution transmission electron microscopy (HRTEM) defocus-series analysis. The technique entails acquiring lattice-resolved HRTEM images of individual NCs over progressive defocus values.

2019年7月18日 · Here, in situ high-resolution transmission electron microscopy (HRTEM) was used to directly investigate crystallography dynamics of a CsPbBr 3 perovskite at high temperature (up to 690 K). In high vacuum TEM conditions (∼10 −5 Pa), CsPbBr 3 nanocrystals possessed superb stability at temperatures below 690 K.

2022年7月31日 · 研究团队通过构建CsPbBr3单颗粒单晶光电子器件，揭示了CsPbBr3立方体单晶的(100)晶面和正四面体单晶的 (111) 晶面各项异性光电特性。 DFT理论计算表明，CsPbBr3钙钛矿单晶的 (100) 晶面和 (111) 晶面的表面电子能级和载流子传输方向各向异性差异是影响钙钛矿单晶 …

It enables the growth of thermodynamically unfavorable 2 ML CsPbBr3 products through kinetic control. This finding provides a novel approach for dimensional control of perovskite nanocrystals...

1 天前 · In this study, we successfully synthesized high-purity CsPbBr3 perovskite nanocrystals (NCs) and nanowires (NWs) using a hot-injection method within an amine-rich environment, followed by a detailed analysis of their structural and optical properties. ... (HRTEM) confirmed that the CsPbBr 3 nanostructures exhibit a pure orthorhombic phase ...

TEM, HRTEM, and Fourier transform images of typical carbon nanodots (a), (b), (c) (top row) and CsPbBr3 (d), (e), and (f) (middle row). Bottom row shows an HRTEM image of the CsPbBr3/CD...

Keeping this in mind, details of the phase–shape correlation of CsPbBr3 nanocrystals are interpreted with their atomic models and reported in this Viewpoint. These are further supported with high-resolution transmission electron microscopy (HRTEM) image analysis.

2017年7月1日 · 在这里，我们报告了 CsPbBr3 纳米立方体的 TEM 分析，其中我们结合了不同的技术，包括低温和原位 TEM 观察，以克服表征方面的挑战。 CsPbX3 纳米结构属于 AMX3（A = Cs、甲基铵、甲酰胺、M = Pb、Sn、X=Cl、Br、I）型钙钛矿材料，作为一种有前途的光电应用半导体，引起了多学科研究界的高度兴趣。 1]。 纳米结构的光学特性取决于它们的大小、形状、组成和原子结构 [2]。 通过配体介导合成产生的胶体 CsPbBr3 纳米微晶的形态、尺寸、形状和晶 …