Issue 29, 2023

Amplified spontaneous emission from waveguides based on hybrid quasi-2D perovskites of Dion–Jacobson and Ruddlesden–Popper phases

Abstract

Quasi-two-dimensional perovskites have emerged as a new class of high-performance materials for photoluminescence applications owing to their unique quantum-well structure. Both Dion–Jacobson (DJ) and Ruddlesden–Popper (RP) phase perovskites are attracting considerable attention owing to their obvious improvement in light-emitting diodes, solar cells, and photocatalytic devices. Meanwhile, quasi-two-dimensional perovskites have also shown outstanding performance in laser applications. Because the long-chain organic spacer cations between the lead halide perovskite layers tend to influence the dimensionality, phase distribution, and morphology of quasi-2D perovskite films, it is important to have a comprehensive understanding of the population inversion in quasi-2D perovskites. Herein, we prepared quasi-2D perovskite films with different Dion–Jacobson ratios and compared their morphology, optical characterization, and amplified spontaneous emission (ASE) performance. The results showed that the perovskite films with RP/DJ-mixed quasi-2D materials not only retained the excellent optical properties of the quasi-2D materials but also presented an improved crystallization quality and surface morphology. The ASE threshold of the hybrid perovskite film decreased from 52.2 to 30.1 μJ cm−2, while the gain coefficient was enhanced from 379 to 785 cm−1. Our work demonstrates that RP/DJ quasi-2D perovskite films can be a kind of promising waveguide material for ASE. Normally, DJ perovskite materials show good carrier transport, which is beneficial to the realization of electric pumping lasers based on perovskite materials.

Graphical abstract: Amplified spontaneous emission from waveguides based on hybrid quasi-2D perovskites of Dion–Jacobson and Ruddlesden–Popper phases

Supplementary files

Article information

Article type
Paper
Submitted
22 Apr 2023
Accepted
24 Jun 2023
First published
26 Jun 2023

J. Mater. Chem. C, 2023,11, 10043-10050

Amplified spontaneous emission from waveguides based on hybrid quasi-2D perovskites of Dion–Jacobson and Ruddlesden–Popper phases

Y. Tang, J. Guo, B. Liu, L. Qin, Z. Deng, Y. Hu, F. Teng, Z. Lou and Y. Hou, J. Mater. Chem. C, 2023, 11, 10043 DOI: 10.1039/D3TC01425H

To request permission to reproduce material from this article, please go to the Copyright Clearance Center request page.

If you are an author contributing to an RSC publication, you do not need to request permission provided correct acknowledgement is given.

If you are the author of this article, you do not need to request permission to reproduce figures and diagrams provided correct acknowledgement is given. If you want to reproduce the whole article in a third-party publication (excluding your thesis/dissertation for which permission is not required) please go to the Copyright Clearance Center request page.

Read more about how to correctly acknowledge RSC content.

Social activity

Spotlight

Advertisements