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Related Concept Videos

Determination of Crystal Structures01:29

Determination of Crystal Structures

In the late 1800s, the revelation that light extended beyond visible wavelengths led to the discovery of X-rays by Wilhelm Roentgen. Recognized as high-energy electromagnetic radiation with short wavelengths, X-rays prompted exploration into their interaction with crystals. Max von Laue proposed in 1912 that the periodic arrangement of atoms, ions, or molecules in crystals would cause them to diffract X-rays, a hypothesis confirmed through experiments with copper sulfate and zinc sulfide...

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Related Experiment Video

Updated: May 25, 2026

Low Pressure Vapor-assisted Solution Process for Tunable Band Gap Pinhole-free Methylammonium Lead Halide Perovskite Films
08:12

Low Pressure Vapor-assisted Solution Process for Tunable Band Gap Pinhole-free Methylammonium Lead Halide Perovskite Films

Published on: September 8, 2017

A Dynamic Diffusion-Controlled Antisolvent Method for Preparing High-Quality Halide Perovskite Single Crystals toward

Kun Yang1,2, Daniu Han1,2, Wangwei Ru1,2

  • 1Department of Nuclear Science and Technology, Nanjing University of Aeronautics and Astronautics (NUAA), Nanjing 211106, China.

ACS Applied Materials & Interfaces
|May 23, 2026
PubMed
Summary

Researchers developed a new method for growing large halide perovskite single crystals for radiation detection. This technique improves crystal quality, leading to highly sensitive and stable X-ray detectors.

Keywords:
CsPbBr3 single crystalX-ray detectionantisolvent methodγ-ray stability

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Facile Synthesis of Colloidal Lead Halide Perovskite Nanoplatelets via Ligand-Assisted Reprecipitation
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Facile Synthesis of Colloidal Lead Halide Perovskite Nanoplatelets via Ligand-Assisted Reprecipitation

Published on: October 1, 2019

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Last Updated: May 25, 2026

Low Pressure Vapor-assisted Solution Process for Tunable Band Gap Pinhole-free Methylammonium Lead Halide Perovskite Films
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Recombination Dynamics in Thin-film Photovoltaic Materials via Time-resolved Microwave Conductivity
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Facile Synthesis of Colloidal Lead Halide Perovskite Nanoplatelets via Ligand-Assisted Reprecipitation
04:14

Facile Synthesis of Colloidal Lead Halide Perovskite Nanoplatelets via Ligand-Assisted Reprecipitation

Published on: October 1, 2019

Area of Science:

  • Materials Science
  • Crystallography
  • Solid-State Physics

Background:

  • Scalable synthesis of high-quality halide perovskite single crystals is crucial for advanced radiation detection.
  • Current methods face challenges in producing high-quality single crystals.

Purpose of the Study:

  • To develop a novel method for controlled crystallization of halide perovskites.
  • To enable the synthesis of millimeter-scale single crystals with improved properties for radiation detection.

Main Methods:

  • A dynamic diffusion-controlled antisolvent method was employed to modulate interfacial methanol diffusion.
  • This approach controlled nucleation and facilitated crystal growth.

Main Results:

  • Millimeter-scale cesium lead bromide (CsPbBr3) single crystals with ultralow trap density and high orientation (texture coefficient ∼99.9%) were synthesized.
  • X-ray detectors fabricated from these crystals demonstrated ultrasensitive response (1.09 × 106 μC Gy-1 cm-2) and robust gamma-ray stability (>104 Gy).
  • The method proved broadly applicable to methylammonium lead bromide (MAPbBr3) and formamidinium lead bromide (FAPbBr3) systems.

Conclusions:

  • The dynamic diffusion-controlled antisolvent method offers a universal strategy for perovskite single crystal growth.
  • This work provides mechanistic insights into interface engineering for solvent-antisolvent systems.
  • The findings open new avenues for perovskite-based optoelectronics and radiation detection technologies.