Crystal growth of two-dimensional organic–inorganic hybrid perovskites and their application in photovoltaics

Zhang, Yuling; Wang, Ruyue; Tan, Zhan’ao

doi:10.1039/d3ta01496g

J. Mater. Chem. A

2023

DOI: 10.1039/d3ta01496g

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Crystal growth of two-dimensional organic–inorganic hybrid perovskites and their application in photovoltaics

Yuling Zhang

Ruyue Wang

Zhan’ao Tan

Abstract: The success of introducing diverse organic cations in three-dimensional (3D) organic-inorganic hybrid perovskites to form two-dimensional (2D) or quasi-2D perovskites, including Ruddlesden-Popper (R-P), Dion-Jacobson (D-J), alternating cations in the interlayer...

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2024

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Cited by 2 publications

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Defect Passivation Strategies in Two‐Dimensional Organic–Inorganic Hybrid Perovskites for Enhanced Photoelectric Performance

Liu,

Bi,

Yan

et al. 2024

Advanced Optical Materials

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The polycrystalline perovskite films treated with solutions inevitably are subjected to high‐density crystal defects, significantly affecting the performance and stability of perovskite‐based photodetectors. In this research, a reasonably designed organic small molecule using piperazine iodide (PI) as an additive is employed to modify the perovskite films. The results indicate that this designed molecule not only improves the crystallinity of the perovskite film but also effectively passivates defects by modifying the local electron density. Consequently, recombination of non‐radiation charges is inhibited, improving the optoelectronic performance and stability of the device. The modified flexible photoelectric device exhibits a responsivity of 3.07 mA W−1 under 405 nm laser illumination. Notably, it maintains a high responsivity even after 7000 bending cycles. Furthermore, generality of the strategy is verified by applying it to various types of two‐dimensional organic–inorganic hybrid perovskite. Additionally, another small molecular amine phthalimide (PTM) is selected as an additive to further verify the universality of this strategy, which reveals that it demonstrates the same passivation as PI. This strategy provides a novel idea for defect passivation of two‐dimensional organic–inorganic hybrid perovskite, signifying a practical application significance for developing flexible wearable devices with optimized performance, perovskite light‐emitting diodes, and solar cells.

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Defect Passivation Strategies in Two‐Dimensional Organic–Inorganic Hybrid Perovskites for Enhanced Photoelectric Performance

Liu,

Bi,

Yan

et al. 2024

Advanced Optical Materials

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show abstract

Preliminary exploration of the influence of N+/NH+ ions/groups bombardment at TiO2 ETLs on performance of MAPbI3 perovskite solar cells

Zhang,

Yao,

Wang

et al. 2024

Applied Surface Science

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Crystal growth of two-dimensional organic–inorganic hybrid perovskites and their application in photovoltaics

Abstract: The success of introducing diverse organic cations in three-dimensional (3D) organic-inorganic hybrid perovskites to form two-dimensional (2D) or quasi-2D perovskites, including Ruddlesden-Popper (R-P), Dion-Jacobson (D-J), alternating cations in the interlayer...

Cited by 2 publications

References 224 publications

Defect Passivation Strategies in Two‐Dimensional Organic–Inorganic Hybrid Perovskites for Enhanced Photoelectric Performance

Defect Passivation Strategies in Two‐Dimensional Organic–Inorganic Hybrid Perovskites for Enhanced Photoelectric Performance

Preliminary exploration of the influence of N+/NH+ ions/groups bombardment at TiO2 ETLs on performance of MAPbI3 perovskite solar cells

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