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Exciton Dynamics in Layered Halide Perovskite Light‐Emitting Diodes

Journal Article · · Advanced Materials
 [1];  [2];  [3];  [1];  [1];  [3]
  1. Davidson School of Chemical Engineering Purdue University West Lafayette IN 47907 USA
  2. Davidson School of Chemical Engineering Purdue University West Lafayette IN 47907 USA, Department of Chemical Engineering Kumoh National Institute of Technology 61 Daehak‐ro Gumi 39177 Republic of Korea
  3. Davidson School of Chemical Engineering Purdue University West Lafayette IN 47907 USA, Department of Chemistry Purdue University West Lafayette IN 47907 USA
Abstract

Layered halide perovskites have garnered significant interest due to their exceptional optoelectronic properties and great promises in light‐emitting applications. Achieving high‐performance perovskite light‐emitting diodes (PeLEDs) requires a deep understanding of exciton dynamics in these materials. This review begins with a fundamental overview of the structural and photophysical properties of layered halide perovskites, then delves into the importance of dimensionality control and cascade energy transfer in quasi‐2D PeLEDs. In the second half of the review, more complex exciton dynamics, such as multiexciton processes and triplet exciton dynamics, from the perspective of LEDs are explored. Through this comprehensive review, an in‐depth understanding of the critical aspects of exciton dynamics in layered halide perovskites and their impacts on future research and technological advancements for layered halide PeLEDs is provided.

Sponsoring Organization:
USDOE
Grant/Contract Number:
SC0022082
OSTI ID:
2478190
Journal Information:
Advanced Materials, Journal Name: Advanced Materials; ISSN 0935-9648
Publisher:
Wiley Blackwell (John Wiley & Sons)Copyright Statement
Country of Publication:
Germany
Language:
English

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