Photoinduced transition from quasi-2D Ruddlesden-Popper to 3D halide perovskites for optical writing multicolor and light-erasable images

Sergey S. Anoshkin; Ivan I. Shishkin; Daria I. Markina; Lev S. Logunov; Hilmi Volkan Demir; Andrey L. Rogach; Anatoly P. Pushkarev; Sergey V. Makarov

arXiv · 2309.06344

Photoinduced transition from quasi-2D Ruddlesden-Popper to 3D halide perovskites for optical writing multicolor and light-erasable images

Sergey S. Anoshkin·Ivan I. Shishkin·Daria I. Markina·Lev S. Logunov·Hilmi Volkan Demir·Andrey L. Rogach·Anatoly P. Pushkarev·Sergey V. Makarov

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Abstract

Development of advanced optical data storage, information encryption, and security labeling technologies requires low-cost materials exhibiting local, pronounced, and diverse modification of their structure-dependent optical properties under external excitation. Herein, for these purposes, we propose and develop a novel platform relying on layered lead halide Ruddlesden-Popper (quasi-2D) phases that undergo a light-induced transition towards bulk (3D) halide perovskite and employ this phenomenon for the direct optical writing of various multicolor patterns. This transition causes the weakening of quantum confinement, and hence the bandgap reduction in these photoluminescent thin films. To significantly extend the color gamut of evolving photoluminescence, we make use of mixed-halide compositions exhibiting photoinduced halide segregation. As a result, the emission wavelength of the resulting films can be widely tuned across the entire 450-600 nm range depending on the illumination conditions. We show that pulsed near-infrared femtosecond laser irradiation provides high-resolution direct writing, whereas continuous-wave ultraviolet exposure is suitable for fast recording on larger scales. The luminescent micro- and macro-scale images created on such quasi-2D perovskite films can be erased during the visualization process, by which the persistence of these images to UV light exposure can be controlled and increased further with the increasing number of octahedral layers used in the perovskite stacks. This makes the proposed writing/erasing perovskite-based platform suitable for the manufacturing of both inexpensive optical data storage devices and light-erasable security labels.

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Sergey S. Anoshkin, Ivan I. Shishkin, Daria I. Markina, Lev S. Logunov, Hilmi Volkan Demir, Andrey L. Rogach, Anatoly P. Pushkarev, Sergey V. Makarov. 2023-09-12. Photoinduced transition from quasi-2D Ruddlesden-Popper to 3D halide perovskites for optical writing multicolor and light-erasable images. https://arxiv.org/abs/2309.06344

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