Ligand Engineering Triggered Efficiency Tunable Emission in Zero-Dimensional Manganese Hybrids for White Light-Emitting Diodes
Zero-dimensional (0D) hybrid manganese halides have emerged as promising platforms for the white light-emitting diodes (<i>w</i>-LEDs) owing to their excellent optical properties. Necessary for researching on the structure-activity relationship of photoluminescence (PL), the novel mangan...
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MDPI AG
2022-09-01
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| Series: | Nanomaterials |
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| Online Access: | https://www.mdpi.com/2079-4991/12/18/3142 |
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| author | Qiqiong Ren Jian Zhang Yilin Mao Maxim S. Molokeev Guojun Zhou Xian-Ming Zhang |
| author_facet | Qiqiong Ren Jian Zhang Yilin Mao Maxim S. Molokeev Guojun Zhou Xian-Ming Zhang |
| author_sort | Qiqiong Ren |
| collection | DOAJ |
| description | Zero-dimensional (0D) hybrid manganese halides have emerged as promising platforms for the white light-emitting diodes (<i>w</i>-LEDs) owing to their excellent optical properties. Necessary for researching on the structure-activity relationship of photoluminescence (PL), the novel manganese bromides (C<sub>13</sub>H<sub>14</sub>N)<sub>2</sub>MnBr<sub>4</sub> and (C<sub>13</sub>H<sub>26</sub>N)<sub>2</sub>MnBr<sub>4</sub> are reported by screening two ligands with similar atomic arrangements but various steric configurations. It is found that (C<sub>13</sub>H<sub>14</sub>N)<sub>2</sub>MnBr<sub>4</sub> with planar configuration tends to promote a stronger electron-phonon coupling, crystal filed effect and concentration-quenching effect than (C<sub>13</sub>H<sub>26</sub>N)<sub>2</sub>MnBr<sub>4</sub> with chair configuration, resulting in the broadband emission (FWHM = 63 nm) to peak at 539 nm with a large Stokes shift (70 nm) and a relatively low photoluminescence quantum yield (PLQY) (46.23%), which makes for the potential application (LED-1, <i>R</i>a = 82.1) in solid-state lighting. In contrast, (C<sub>13</sub>H<sub>26</sub>N)<sub>2</sub>MnBr<sub>4</sub> exhibits a narrowband emission (FWHM = 44 nm) which peaked at 515 nm with a small Stokes shift (47 nm) and a high PLQY of 64.60%, and the as-fabricated white LED-2 reaches a wide colour gamut of 107.8% National Television Standards Committee (NTSC), thus highlighting the immeasurable application prospects in solid-state display. This work clarifies the significance of the spatial configuration of organic cations in hybrids perovskites and enriches the design ideas for function-oriented low-dimensional emitters. |
| first_indexed | 2024-03-09T22:58:55Z |
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| institution | Directory Open Access Journal |
| issn | 2079-4991 |
| language | English |
| last_indexed | 2024-03-09T22:58:55Z |
| publishDate | 2022-09-01 |
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| series | Nanomaterials |
| spelling | doaj.art-46be255ed3b249478a94fccccd7aa2762023-11-23T18:06:10ZengMDPI AGNanomaterials2079-49912022-09-011218314210.3390/nano12183142Ligand Engineering Triggered Efficiency Tunable Emission in Zero-Dimensional Manganese Hybrids for White Light-Emitting DiodesQiqiong Ren0Jian Zhang1Yilin Mao2Maxim S. Molokeev3Guojun Zhou4Xian-Ming Zhang5Key Laboratory of Magnetic Molecules and Magnetic Information Materials (Ministry of Education), School of Chemistry and Material Science, Shanxi Normal University, Taiyuan 030031, ChinaKey Laboratory of Magnetic Molecules and Magnetic Information Materials (Ministry of Education), School of Chemistry and Material Science, Shanxi Normal University, Taiyuan 030031, ChinaKey Laboratory of Magnetic Molecules and Magnetic Information Materials (Ministry of Education), School of Chemistry and Material Science, Shanxi Normal University, Taiyuan 030031, ChinaLaboratory of Crystal Physics, Kirensky Institute of Physics, Federal Research Center KSC SB RAS, 660036 Krasnoyarsk, RussiaKey Laboratory of Magnetic Molecules and Magnetic Information Materials (Ministry of Education), School of Chemistry and Material Science, Shanxi Normal University, Taiyuan 030031, ChinaKey Laboratory of Magnetic Molecules and Magnetic Information Materials (Ministry of Education), School of Chemistry and Material Science, Shanxi Normal University, Taiyuan 030031, ChinaZero-dimensional (0D) hybrid manganese halides have emerged as promising platforms for the white light-emitting diodes (<i>w</i>-LEDs) owing to their excellent optical properties. Necessary for researching on the structure-activity relationship of photoluminescence (PL), the novel manganese bromides (C<sub>13</sub>H<sub>14</sub>N)<sub>2</sub>MnBr<sub>4</sub> and (C<sub>13</sub>H<sub>26</sub>N)<sub>2</sub>MnBr<sub>4</sub> are reported by screening two ligands with similar atomic arrangements but various steric configurations. It is found that (C<sub>13</sub>H<sub>14</sub>N)<sub>2</sub>MnBr<sub>4</sub> with planar configuration tends to promote a stronger electron-phonon coupling, crystal filed effect and concentration-quenching effect than (C<sub>13</sub>H<sub>26</sub>N)<sub>2</sub>MnBr<sub>4</sub> with chair configuration, resulting in the broadband emission (FWHM = 63 nm) to peak at 539 nm with a large Stokes shift (70 nm) and a relatively low photoluminescence quantum yield (PLQY) (46.23%), which makes for the potential application (LED-1, <i>R</i>a = 82.1) in solid-state lighting. In contrast, (C<sub>13</sub>H<sub>26</sub>N)<sub>2</sub>MnBr<sub>4</sub> exhibits a narrowband emission (FWHM = 44 nm) which peaked at 515 nm with a small Stokes shift (47 nm) and a high PLQY of 64.60%, and the as-fabricated white LED-2 reaches a wide colour gamut of 107.8% National Television Standards Committee (NTSC), thus highlighting the immeasurable application prospects in solid-state display. This work clarifies the significance of the spatial configuration of organic cations in hybrids perovskites and enriches the design ideas for function-oriented low-dimensional emitters.https://www.mdpi.com/2079-4991/12/18/3142zero-dimensional manganese bromidessteric configurationstunable emissionwhite light-emitting diodes |
| spellingShingle | Qiqiong Ren Jian Zhang Yilin Mao Maxim S. Molokeev Guojun Zhou Xian-Ming Zhang Ligand Engineering Triggered Efficiency Tunable Emission in Zero-Dimensional Manganese Hybrids for White Light-Emitting Diodes Nanomaterials zero-dimensional manganese bromides steric configurations tunable emission white light-emitting diodes |
| title | Ligand Engineering Triggered Efficiency Tunable Emission in Zero-Dimensional Manganese Hybrids for White Light-Emitting Diodes |
| title_full | Ligand Engineering Triggered Efficiency Tunable Emission in Zero-Dimensional Manganese Hybrids for White Light-Emitting Diodes |
| title_fullStr | Ligand Engineering Triggered Efficiency Tunable Emission in Zero-Dimensional Manganese Hybrids for White Light-Emitting Diodes |
| title_full_unstemmed | Ligand Engineering Triggered Efficiency Tunable Emission in Zero-Dimensional Manganese Hybrids for White Light-Emitting Diodes |
| title_short | Ligand Engineering Triggered Efficiency Tunable Emission in Zero-Dimensional Manganese Hybrids for White Light-Emitting Diodes |
| title_sort | ligand engineering triggered efficiency tunable emission in zero dimensional manganese hybrids for white light emitting diodes |
| topic | zero-dimensional manganese bromides steric configurations tunable emission white light-emitting diodes |
| url | https://www.mdpi.com/2079-4991/12/18/3142 |
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