Ultrathin Ruddlesden–Popper Perovskite Heterojunction for Sensitive Photodetection

Fu, Qundong; Wang, Xiaolei; Liu, Fucai; Yu, Dong; Liu, Zirui; Zheng, Shoujun; Chaturvedi, Apoorva; Zhou, Jiadong; Hu, Peng; Zhu, Zhuqing; Fang, Bo; Long, Yi; Liu, Zheng

doi:10.1002/smll.201902890

Cited by 61 publications

(54 citation statements)

References 38 publications

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“…The exfoliated 2D layered perovskite (BA) 2 (MA) n −1 Pb n I 3 n +1 flakes/MoS 2 hybrid PDs exhibit superior performance with ≈6 orders of magnitude enhancement of R (10 4 A W −1 ) and 2 orders of magnitude enhancement of D * (4 × 10 10 Jones) in comparison with pure perovskite counterparts, which demonstrates the facile charge transfer between the two 2D materials. [ 284 ] Li's group [ 279 ] reported graphene/2D perovskite (PEA) 2 SnI 4 /MoS 2 /graphene heterojunction PDs as shown in Figure 10e. By using few‐layer graphene flakes as electrical contacts, which can form good contacts with both MoS 2 and Au electrodes, the performance of the heterostructures can be further improved.…”

Section: Low‐dimensional Mhp Pdsmentioning

confidence: 99%

Low‐Dimensional Metal Halide Perovskite Photodetectors

et al. 2020

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Metal halide perovskites (MHPs) have been a hot research topic due to their facile synthesis, excellent optical and optoelectronic properties, and record‐breaking efficiency of corresponding optoelectronic devices. Nowadays, the development of miniaturized high‐performance photodetectors (PDs) has been fueling the demand for novel photoactive materials, among which low‐dimensional MHPs have attracted burgeoning research interest. In this report, the synthesis, properties, photodetection performance, and stability of low‐dimensional MHPs, including 0D, 1D, 2D layered and nonlayered nanostructures, as well as their heterostructures are reviewed. Recent advances in the synthesis approaches of low‐dimensional MHPs are summarized and the key concepts for understanding the optical and optoelectronic properties related to the PD applications of low‐dimensional MHPs are introduced. More importantly, recent progress in novel PDs based on low‐dimensional MHPs is presented, and strategies for improving the performance and stability of perovskite PDs are highlighted. By discussing recent advances, strategies, and existing challenges, this progress report provides perspectives on low‐dimensional MHP‐based PDs in the future.

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Section: Low‐dimensional Mhp Pdsmentioning

confidence: 99%

Low‐Dimensional Metal Halide Perovskite Photodetectors

et al. 2020

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“…In this review, we focus on the photophysics of recently emerged van der Waals heterostructures consisting of 2DPs and mono and fewlayer TMDs. [23][24][25] Joining these two classes of materials can potentially reduce their drawbacks and enhance their advantages, providing an exceptional flexibility in the heterostructure design. However, to date the understanding of basic photophysics of these structures is far from being complete.…”

Section: Introductionmentioning

confidence: 99%

Two Dimensional Perovskites/Transition Metal Dichalcogenides Heterostructures: Puzzles and Challenges

Baranowski

Surrente

Płochocka

2021

Israel Journal of Chemistry

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Two-dimensional (2D) layered materials have been in the spotlight of scientists' interest for more than a decade. The inherently weak interaction between the layers in 2D crystals allows stacking different materials and building heterostructures with novel functional properties. Here, we review the most recent advances on heterostructures composed of transition metal dichalcogenides and 2D perovskites. We show that combining these materials yields a rich and unique platform for the investigation of energy and charge transfer mechanisms, as well as band alignment engineering. We summarize the current understanding of the fascinating photophysics of these heterostructures, emphasizing the open questions related to their fundamental properties. We conclude by highlighting how this platform offers an unprecedented number of tuning knobs to control their optoelectronic properties and some potentially interesting directions to explore in the near future. Keywords: Layered materials • transition metal dichalcogenides • two-dimensional lead-halide perovskites • van der Waals heterostructures • transition metal dichalcogenide/2D perovskite heterostructures • charge transfer • energy transfer [a

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“…reported that the utilization of a Ruddlesden‐Popper perovskite (BA) 2 (MA) 2 Pb 3 I 10 /MoS 2 heterostructure for photodetector leads to a photogating effect that greatly enhances the performance. [ 98 ] Due to suppressed dark current, the resulting device exhibits ≈6 orders of magnitude enhancement in responsivity (up to 10 4 A W −1 ) and 2 orders of magnitude enhancement in detectivity (4 × 10 10 Jones). Unfortunately, the stability of the heterojunction photodetector was not presented in this work.…”

Section: Metal Halide Perovskite/2d Materials Heterostructures For Phomentioning

confidence: 99%

Metal Halide Perovskite/2D Material Heterostructures: Syntheses and Applications

et al. 2021

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The past decade has witnessed the great success achieved by metal halide perovskites (MHPs) in photovoltaic and related fields. However, challenges still remain in further improving their performance, as well as, settling the stability issue for future commercialization. Recently, MHP/2D material heterostructures that combining MHPs with the low‐cost and solution‐processable 2D materials have demonstrated unprecedented improvement in both performance and stability due to the distinctive features at hetero‐interface. The diverse fabrication techniques of MHPs and 2D materials allow them to be assembled as heterostructures with different configurations in a variety of ways. Moreover, the large families of MHPs and 2D materials provide the opportunity for the rational design and modification on compositions and functionalities of MHP/2D materials heterostructures. Herein, a comprehensive review of MHP/2D material heterostructures from syntheses to applications is presented. First, various fabrication techniques for MHP/2D material heterostructures are introduced by classifying them into solid‐state methods and solution‐processed methods. Then the applications of MHP/2D heterostructures in various fields including photodetectors, solar cells, and photocatalysis are summarized in detail. Finally, current challenges for the development of MHP/2D material heterostructures are highlighted, and future opportunities for the advancements in this research field are also provided.

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Ultrathin Ruddlesden–Popper Perovskite Heterojunction for Sensitive Photodetection

Cited by 61 publications

References 38 publications

Low‐Dimensional Metal Halide Perovskite Photodetectors

Low‐Dimensional Metal Halide Perovskite Photodetectors

Two Dimensional Perovskites/Transition Metal Dichalcogenides Heterostructures: Puzzles and Challenges

Metal Halide Perovskite/2D Material Heterostructures: Syntheses and Applications

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