Deep-Blue Perovskite Single-Mode Lasing through Efficient Vapor-Assisted Chlorination

Joao M. Pina; Darshan H. Parmar; Golam Bappi; Chun Zhou; Hitarth Choubisa; Maral Vafaie; Amin M. Najarian; Koen Bertens; Laxmi Kishore Sagar; Yitong Dong; Yuan Gao; Sjoerd Hoogland; Makhsud I. Saidaminov; Edward H. Sargent

doi:10.1002/adma.202006697

Deep-Blue Perovskite Single-Mode Lasing through Efficient Vapor-Assisted Chlorination

Joao M. Pina, Darshan H. Parmar, Golam Bappi, Chun Zhou, Hitarth Choubisa, Maral Vafaie, Amin M. Najarian, Koen Bertens, Laxmi Kishore Sagar, Yitong Dong, Yuan Gao, Sjoerd Hoogland, Makhsud I. Saidaminov, Edward H. Sargent^*

^*Corresponding author for this work

Chemistry

Research output: Contribution to journal › Article › peer-review

46 Scopus citations

Abstract

Metal halide perovskites have emerged as promising candidates for solution-processed laser gain materials, with impressive performance in the green and red spectral regions. Despite exciting progress, deep-blue—an important wavelength for laser applications—remains underexplored; indeed, cavity integration and single-mode lasing from large-bandgap perovskites have yet to be achieved. Here, a vapor-assisted chlorination strategy that enables synthesis of low-dimensional CsPbCl₃ thin films exhibiting deep-blue emission is reported. Using this approach, high-quality perovskite thin films having a low surface roughness (RMS ≈ 1.3 nm) and efficient charge transfer properties are achieved. These enable us to document low-threshold amplified spontaneous emission. Levering the high quality of the gain medium, vertical-cavity surface-emitting lasers with a low lasing threshold of 6.5 µJ cm⁻² are fabricated. This report of deep-blue perovskite single-mode lasing showcases the prospect of increasing the range of deep-blue laser sources.

Original language	English (US)
Article number	2006697
Journal	Advanced Materials
Volume	33
Issue number	5
DOIs	https://doi.org/10.1002/adma.202006697
State	Published - Feb 4 2021

Funding

This work was supported financially by the R&D Center U.S. San Jose Laboratory, A Division of Sony Corporation of America (2018 Sony Research Award Program Ref. No. 2019‐0669). The authors acknowledge the members of the R&D Center in Japan, from Sony Corporation, for fruitful discussions. The authors thank Dr. Grant Walters for guidance in ellipsometry data analysis. This work was supported financially by the R&D Center U.S. San Jose Laboratory, A Division of Sony Corporation of America (2018 Sony Research Award Program Ref. No. 2019-0669). The authors acknowledge the members of the R&D Center in Japan, from Sony Corporation, for fruitful discussions. The authors thank Dr. Grant Walters for guidance in ellipsometry data analysis.

Keywords

deep-blue light emission
halide exchange
lasing
perovskites
vertical-cavity surfaceemitting lasers

ASJC Scopus subject areas

General Materials Science
Mechanics of Materials
Mechanical Engineering

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10.1002/adma.202006697

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title = "Deep-Blue Perovskite Single-Mode Lasing through Efficient Vapor-Assisted Chlorination",

abstract = "Metal halide perovskites have emerged as promising candidates for solution-processed laser gain materials, with impressive performance in the green and red spectral regions. Despite exciting progress, deep-blue—an important wavelength for laser applications—remains underexplored; indeed, cavity integration and single-mode lasing from large-bandgap perovskites have yet to be achieved. Here, a vapor-assisted chlorination strategy that enables synthesis of low-dimensional CsPbCl3 thin films exhibiting deep-blue emission is reported. Using this approach, high-quality perovskite thin films having a low surface roughness (RMS ≈ 1.3 nm) and efficient charge transfer properties are achieved. These enable us to document low-threshold amplified spontaneous emission. Levering the high quality of the gain medium, vertical-cavity surface-emitting lasers with a low lasing threshold of 6.5 µJ cm−2 are fabricated. This report of deep-blue perovskite single-mode lasing showcases the prospect of increasing the range of deep-blue laser sources.",

keywords = "deep-blue light emission, halide exchange, lasing, perovskites, vertical-cavity surfaceemitting lasers",

author = "Pina, \{Joao M.\} and Parmar, \{Darshan H.\} and Golam Bappi and Chun Zhou and Hitarth Choubisa and Maral Vafaie and Najarian, \{Amin M.\} and Koen Bertens and Sagar, \{Laxmi Kishore\} and Yitong Dong and Yuan Gao and Sjoerd Hoogland and Saidaminov, \{Makhsud I.\} and Sargent, \{Edward H.\}",

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AU - Parmar, Darshan H.

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AU - Zhou, Chun

AU - Choubisa, Hitarth

AU - Vafaie, Maral

AU - Najarian, Amin M.

AU - Bertens, Koen

AU - Sagar, Laxmi Kishore

AU - Dong, Yitong

AU - Gao, Yuan

AU - Hoogland, Sjoerd

AU - Saidaminov, Makhsud I.

AU - Sargent, Edward H.

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N2 - Metal halide perovskites have emerged as promising candidates for solution-processed laser gain materials, with impressive performance in the green and red spectral regions. Despite exciting progress, deep-blue—an important wavelength for laser applications—remains underexplored; indeed, cavity integration and single-mode lasing from large-bandgap perovskites have yet to be achieved. Here, a vapor-assisted chlorination strategy that enables synthesis of low-dimensional CsPbCl3 thin films exhibiting deep-blue emission is reported. Using this approach, high-quality perovskite thin films having a low surface roughness (RMS ≈ 1.3 nm) and efficient charge transfer properties are achieved. These enable us to document low-threshold amplified spontaneous emission. Levering the high quality of the gain medium, vertical-cavity surface-emitting lasers with a low lasing threshold of 6.5 µJ cm−2 are fabricated. This report of deep-blue perovskite single-mode lasing showcases the prospect of increasing the range of deep-blue laser sources.

AB - Metal halide perovskites have emerged as promising candidates for solution-processed laser gain materials, with impressive performance in the green and red spectral regions. Despite exciting progress, deep-blue—an important wavelength for laser applications—remains underexplored; indeed, cavity integration and single-mode lasing from large-bandgap perovskites have yet to be achieved. Here, a vapor-assisted chlorination strategy that enables synthesis of low-dimensional CsPbCl3 thin films exhibiting deep-blue emission is reported. Using this approach, high-quality perovskite thin films having a low surface roughness (RMS ≈ 1.3 nm) and efficient charge transfer properties are achieved. These enable us to document low-threshold amplified spontaneous emission. Levering the high quality of the gain medium, vertical-cavity surface-emitting lasers with a low lasing threshold of 6.5 µJ cm−2 are fabricated. This report of deep-blue perovskite single-mode lasing showcases the prospect of increasing the range of deep-blue laser sources.

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Deep-Blue Perovskite Single-Mode Lasing through Efficient Vapor-Assisted Chlorination

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