Rational design and synthesis of narrow-band emitting Eu(II)-based hybrid halides via alkyl thermal cleavage
Abstract Organic-inorganic hybrid metal halides have emerged as pivotal luminescent materials for versatile photonic applications. Nevertheless, prevailing chemical design and synthetic strategies of hybrid luminescent halides are constrained by limited compositional engineering and suboptimal phase...
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Nature Portfolio
2025-08-01
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| Series: | Nature Communications |
| Online Access: | https://doi.org/10.1038/s41467-025-62748-0 |
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| author | Liang Li Jiance Jin Kai Han Yuzhen Wang Zhiguo Xia |
| author_facet | Liang Li Jiance Jin Kai Han Yuzhen Wang Zhiguo Xia |
| author_sort | Liang Li |
| collection | DOAJ |
| description | Abstract Organic-inorganic hybrid metal halides have emerged as pivotal luminescent materials for versatile photonic applications. Nevertheless, prevailing chemical design and synthetic strategies of hybrid luminescent halides are constrained by limited compositional engineering and suboptimal phase crystallization. Herein, we propose a universal alkyl thermal cleavage route to design and grow Eu(II)-based hybrid halide crystals. By modulating the alkyl chain length of 25 organic cations, all the as-synthesized halides achieve narrow-band emission with full-width-at-half-maximum (34–52 nm) and tunable colors in the region of blue-cyan-green owing to the highly efficient 5d-4f transition of Eu(II). We further clarify that the tunable emissions are dependent on the combined effect of configuration, average radius, and distortion index of the Eu-X (X = Cl, Br, I) polyhedra. This work provides fundamental insights into the design principle of narrow-band emitting Eu(II)-based hybrid halides and expands the family of hybrid halides as next-generation luminescence materials for emerging photonic applications. |
| format | Article |
| id | doaj-art-3ed360bed93f47c8b7e690e9c61c93c7 |
| institution | Kabale University |
| issn | 2041-1723 |
| language | English |
| publishDate | 2025-08-01 |
| publisher | Nature Portfolio |
| record_format | Article |
| series | Nature Communications |
| spelling | doaj-art-3ed360bed93f47c8b7e690e9c61c93c72025-08-20T03:46:28ZengNature PortfolioNature Communications2041-17232025-08-0116111010.1038/s41467-025-62748-0Rational design and synthesis of narrow-band emitting Eu(II)-based hybrid halides via alkyl thermal cleavageLiang Li0Jiance Jin1Kai Han2Yuzhen Wang3Zhiguo Xia4State Key Laboratory of Luminescent Materials and Devices, Guangdong Provincial Key Laboratory of Fiber Laser Materials and Applied Techniques, Guangdong Engineering Technology Research and Development Centre of Special Optical Fiber Materials and Devices, School of Physics and Optoelectronics, South China University of Technology, South China University of TechnologySchool of Materials Science and Engineering, South China University of Technology, GuangzhouState Key Laboratory of Luminescent Materials and Devices, Guangdong Provincial Key Laboratory of Fiber Laser Materials and Applied Techniques, Guangdong Engineering Technology Research and Development Centre of Special Optical Fiber Materials and Devices, School of Physics and Optoelectronics, South China University of Technology, South China University of TechnologyState Key Laboratory of Luminescent Materials and Devices, Guangdong Provincial Key Laboratory of Fiber Laser Materials and Applied Techniques, Guangdong Engineering Technology Research and Development Centre of Special Optical Fiber Materials and Devices, School of Physics and Optoelectronics, South China University of Technology, South China University of TechnologyState Key Laboratory of Luminescent Materials and Devices, Guangdong Provincial Key Laboratory of Fiber Laser Materials and Applied Techniques, Guangdong Engineering Technology Research and Development Centre of Special Optical Fiber Materials and Devices, School of Physics and Optoelectronics, South China University of Technology, South China University of TechnologyAbstract Organic-inorganic hybrid metal halides have emerged as pivotal luminescent materials for versatile photonic applications. Nevertheless, prevailing chemical design and synthetic strategies of hybrid luminescent halides are constrained by limited compositional engineering and suboptimal phase crystallization. Herein, we propose a universal alkyl thermal cleavage route to design and grow Eu(II)-based hybrid halide crystals. By modulating the alkyl chain length of 25 organic cations, all the as-synthesized halides achieve narrow-band emission with full-width-at-half-maximum (34–52 nm) and tunable colors in the region of blue-cyan-green owing to the highly efficient 5d-4f transition of Eu(II). We further clarify that the tunable emissions are dependent on the combined effect of configuration, average radius, and distortion index of the Eu-X (X = Cl, Br, I) polyhedra. This work provides fundamental insights into the design principle of narrow-band emitting Eu(II)-based hybrid halides and expands the family of hybrid halides as next-generation luminescence materials for emerging photonic applications.https://doi.org/10.1038/s41467-025-62748-0 |
| spellingShingle | Liang Li Jiance Jin Kai Han Yuzhen Wang Zhiguo Xia Rational design and synthesis of narrow-band emitting Eu(II)-based hybrid halides via alkyl thermal cleavage Nature Communications |
| title | Rational design and synthesis of narrow-band emitting Eu(II)-based hybrid halides via alkyl thermal cleavage |
| title_full | Rational design and synthesis of narrow-band emitting Eu(II)-based hybrid halides via alkyl thermal cleavage |
| title_fullStr | Rational design and synthesis of narrow-band emitting Eu(II)-based hybrid halides via alkyl thermal cleavage |
| title_full_unstemmed | Rational design and synthesis of narrow-band emitting Eu(II)-based hybrid halides via alkyl thermal cleavage |
| title_short | Rational design and synthesis of narrow-band emitting Eu(II)-based hybrid halides via alkyl thermal cleavage |
| title_sort | rational design and synthesis of narrow band emitting eu ii based hybrid halides via alkyl thermal cleavage |
| url | https://doi.org/10.1038/s41467-025-62748-0 |
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