Enhanced Amplified Spontaneous Emission from Optically Pumped Perovskite Light‐Emitting Diodes with Sodium Fluoride Additives
Metal halide perovskites represent a promising class of gain media for next‐generation nonepitaxial laser diodes. However, fully electrically pumped perovskite laser diodes have not been achieved yet. Herein, the use of sodium fluoride (NaF) is explored as an efficient additive in halide perovskite...
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| Format: | Article |
| Language: | English |
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Wiley-VCH
2025-08-01
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| Series: | Advanced Photonics Research |
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| Online Access: | https://doi.org/10.1002/adpr.202500025 |
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| author | Kanak Kanti Bhowmik Yongji Wu Xiaolei Zhao Travis Wanless Kwangdong Roh Stephen H. Foulger Lin Zhu Hai Xiao Lianfeng Zhao |
| author_facet | Kanak Kanti Bhowmik Yongji Wu Xiaolei Zhao Travis Wanless Kwangdong Roh Stephen H. Foulger Lin Zhu Hai Xiao Lianfeng Zhao |
| author_sort | Kanak Kanti Bhowmik |
| collection | DOAJ |
| description | Metal halide perovskites represent a promising class of gain media for next‐generation nonepitaxial laser diodes. However, fully electrically pumped perovskite laser diodes have not been achieved yet. Herein, the use of sodium fluoride (NaF) is explored as an efficient additive in halide perovskite films to improve their optical and light amplification properties. The incorporation of NaF in perovskites leads to a remarkable threefold increase in light‐emitting intensity. The threshold of amplified spontaneous emission (ASE) by optical pumping is reduced by more than 20%, from ≈13.5 to 10.4 μJ cm−2. Furthermore, the NaF‐modified perovskites exhibit stable ASE emission, even after exposure to 1.5 billion optical pulses, highlighting substantial improvements in the material's photostability. Finally, optically pumped ASE is observed from a full perovskite light‐emitting diode stack, including lossy metal electrodes. This work demonstrates significant progress toward the development of electrically pumped perovskite lasers. |
| format | Article |
| id | doaj-art-1aa8244ae6aa4b2a9d262c9134f4b371 |
| institution | Kabale University |
| issn | 2699-9293 |
| language | English |
| publishDate | 2025-08-01 |
| publisher | Wiley-VCH |
| record_format | Article |
| series | Advanced Photonics Research |
| spelling | doaj-art-1aa8244ae6aa4b2a9d262c9134f4b3712025-08-20T03:42:44ZengWiley-VCHAdvanced Photonics Research2699-92932025-08-0168n/an/a10.1002/adpr.202500025Enhanced Amplified Spontaneous Emission from Optically Pumped Perovskite Light‐Emitting Diodes with Sodium Fluoride AdditivesKanak Kanti Bhowmik0Yongji Wu1Xiaolei Zhao2Travis Wanless3Kwangdong Roh4Stephen H. Foulger5Lin Zhu6Hai Xiao7Lianfeng Zhao8Holcombe Department of Electrical and Computer Engineering Clemson University Clemson SC 29634 USAHolcombe Department of Electrical and Computer Engineering Clemson University Clemson SC 29634 USAHolcombe Department of Electrical and Computer Engineering Clemson University Clemson SC 29634 USADepartment of Materials Science and Engineering Clemson University Clemson SC 29634 USADepartment of Physics Ewha Womans University Seoul 03760 Republic of KoreaDepartment of Materials Science and Engineering Clemson University Clemson SC 29634 USAHolcombe Department of Electrical and Computer Engineering Clemson University Clemson SC 29634 USAHolcombe Department of Electrical and Computer Engineering Clemson University Clemson SC 29634 USAHolcombe Department of Electrical and Computer Engineering Clemson University Clemson SC 29634 USAMetal halide perovskites represent a promising class of gain media for next‐generation nonepitaxial laser diodes. However, fully electrically pumped perovskite laser diodes have not been achieved yet. Herein, the use of sodium fluoride (NaF) is explored as an efficient additive in halide perovskite films to improve their optical and light amplification properties. The incorporation of NaF in perovskites leads to a remarkable threefold increase in light‐emitting intensity. The threshold of amplified spontaneous emission (ASE) by optical pumping is reduced by more than 20%, from ≈13.5 to 10.4 μJ cm−2. Furthermore, the NaF‐modified perovskites exhibit stable ASE emission, even after exposure to 1.5 billion optical pulses, highlighting substantial improvements in the material's photostability. Finally, optically pumped ASE is observed from a full perovskite light‐emitting diode stack, including lossy metal electrodes. This work demonstrates significant progress toward the development of electrically pumped perovskite lasers.https://doi.org/10.1002/adpr.202500025amplified spontaneous emissionsdefect passivationslaser diodesmetal halide perovskitesperovskite light‐emitting diodes |
| spellingShingle | Kanak Kanti Bhowmik Yongji Wu Xiaolei Zhao Travis Wanless Kwangdong Roh Stephen H. Foulger Lin Zhu Hai Xiao Lianfeng Zhao Enhanced Amplified Spontaneous Emission from Optically Pumped Perovskite Light‐Emitting Diodes with Sodium Fluoride Additives Advanced Photonics Research amplified spontaneous emissions defect passivations laser diodes metal halide perovskites perovskite light‐emitting diodes |
| title | Enhanced Amplified Spontaneous Emission from Optically Pumped Perovskite Light‐Emitting Diodes with Sodium Fluoride Additives |
| title_full | Enhanced Amplified Spontaneous Emission from Optically Pumped Perovskite Light‐Emitting Diodes with Sodium Fluoride Additives |
| title_fullStr | Enhanced Amplified Spontaneous Emission from Optically Pumped Perovskite Light‐Emitting Diodes with Sodium Fluoride Additives |
| title_full_unstemmed | Enhanced Amplified Spontaneous Emission from Optically Pumped Perovskite Light‐Emitting Diodes with Sodium Fluoride Additives |
| title_short | Enhanced Amplified Spontaneous Emission from Optically Pumped Perovskite Light‐Emitting Diodes with Sodium Fluoride Additives |
| title_sort | enhanced amplified spontaneous emission from optically pumped perovskite light emitting diodes with sodium fluoride additives |
| topic | amplified spontaneous emissions defect passivations laser diodes metal halide perovskites perovskite light‐emitting diodes |
| url | https://doi.org/10.1002/adpr.202500025 |
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