What question did this study set out to answer?

This research aims to control non-centrosymmetry in the growth of chiral two-dimensional perovskite single crystals.

January 23, 2026Nano Letters

Symmetry Breaking in High-Speed Synthesized Chiral Two-Dimensional Perovskite Single Crystals Enabling Polarization-Sensitive Advanced Optoelectronics

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High-speed synthesis of chiral perovskite crystals enhances polarization sensitivity in optoelectronics, indicating new design pathways.

This research aims to control non-centrosymmetry in the growth of chiral two-dimensional perovskite single crystals.
Developed a high-pressure hydrothermal synthesis method for rapid crystal growth.
Utilized temperature-dependent X-ray diffraction to analyze phase transitions.
Performed first-principles calculations to investigate structural features and charge distributions.
Achieved rapid growth of chiral perovskite single crystals with high structural homogeneity.
Demonstrated a reversible phase transition from polar to centrosymmetric structures.
Established a high linear polarization ratio (LPR ≈ 0.97) in photodetectors, enabling advanced imaging functionalities.

Liu et al. (2026) studied this question.

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