Designing Ultra‐Narrow‐Band Red Phosphor via Oxygen Vacancy Engineering for Transparent Display Application
Abstract Narrow‐band red phosphors have been crucial in enabling energy‐efficient and wide color gamut display technologies. Developing novel red phosphors with narrower FWHM and suitable positions is still an urgent demand. Herein, a nanorod‐shaped Nb2O5:Pr3+ phosphor, featuring a single ultra‐narr...
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| Format: | Article |
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Wiley
2025-04-01
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| Series: | Advanced Science |
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| Online Access: | https://doi.org/10.1002/advs.202416761 |
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| author | Wei Wang Yi Wei Hang Yang Jinxuan Sun Fuyan Su Hanrui Liao Hua Zou Mingrui Li Guogang Li |
| author_facet | Wei Wang Yi Wei Hang Yang Jinxuan Sun Fuyan Su Hanrui Liao Hua Zou Mingrui Li Guogang Li |
| author_sort | Wei Wang |
| collection | DOAJ |
| description | Abstract Narrow‐band red phosphors have been crucial in enabling energy‐efficient and wide color gamut display technologies. Developing novel red phosphors with narrower FWHM and suitable positions is still an urgent demand. Herein, a nanorod‐shaped Nb2O5:Pr3+ phosphor, featuring a single ultra‐narrow‐band red emission at 612 nm with FWHM of only 19 nm, is reported. The single narrow‐band is associated with oxygen vacancies, which can influence the electron–hole recombination energy. Besides, the intensity of PL spectra presents anti‐thermal properties and achieves an unexpected 12.5‐fold enhancement from 80 to 280 K. Detailed structural analyses, optical measurements, and DFT calculation are used to investigate abnormal photophysical processes. It canbe found that VO1 has the lowest Eform of 0.70 eV and the electron localization area around the Pr atom enlarges and presents the biggest distortion as VO1 appears. The energy transfer from oxygen vacancies to the luminescent center accounts for the large enhancement. At last, the fabricated transparent display screen presents a transparency of 50% and high color purity (98%), and the LED device shows a large color gamut. These findings advance the understanding of the relationship between luminescent properties and oxygen vacancies, inspiring more design of narrow‐band red phoshors for display applications. |
| format | Article |
| id | doaj-art-822eb349a63c49ea9fc8bfe8e6010722 |
| institution | OA Journals |
| issn | 2198-3844 |
| language | English |
| publishDate | 2025-04-01 |
| publisher | Wiley |
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| series | Advanced Science |
| spelling | doaj-art-822eb349a63c49ea9fc8bfe8e60107222025-08-20T02:16:22ZengWileyAdvanced Science2198-38442025-04-011214n/an/a10.1002/advs.202416761Designing Ultra‐Narrow‐Band Red Phosphor via Oxygen Vacancy Engineering for Transparent Display ApplicationWei Wang0Yi Wei1Hang Yang2Jinxuan Sun3Fuyan Su4Hanrui Liao5Hua Zou6Mingrui Li7Guogang Li8College of Physics and Optoelectronic Engineering Hainan University 58 Renmin Avenue Haikou 570228 P. R. ChinaFaculty of Materials Science and Chemistry China University of Geosciences 388 Lumo Road Wuhan 430074 P. R. ChinaFaculty of Materials Science and Chemistry China University of Geosciences 388 Lumo Road Wuhan 430074 P. R. ChinaFaculty of Materials Science and Chemistry China University of Geosciences 388 Lumo Road Wuhan 430074 P. R. ChinaCollege of Physics and Optoelectronic Engineering Hainan University 58 Renmin Avenue Haikou 570228 P. R. ChinaFaculty of Materials Science and Chemistry China University of Geosciences 388 Lumo Road Wuhan 430074 P. R. ChinaCollege of Physics and Optoelectronic Engineering Hainan University 58 Renmin Avenue Haikou 570228 P. R. ChinaDepartment of Chemistry Southern University of Science and Technology Shenzhen Guangdong 518055 P. R. ChinaFaculty of Materials Science and Chemistry China University of Geosciences 388 Lumo Road Wuhan 430074 P. R. ChinaAbstract Narrow‐band red phosphors have been crucial in enabling energy‐efficient and wide color gamut display technologies. Developing novel red phosphors with narrower FWHM and suitable positions is still an urgent demand. Herein, a nanorod‐shaped Nb2O5:Pr3+ phosphor, featuring a single ultra‐narrow‐band red emission at 612 nm with FWHM of only 19 nm, is reported. The single narrow‐band is associated with oxygen vacancies, which can influence the electron–hole recombination energy. Besides, the intensity of PL spectra presents anti‐thermal properties and achieves an unexpected 12.5‐fold enhancement from 80 to 280 K. Detailed structural analyses, optical measurements, and DFT calculation are used to investigate abnormal photophysical processes. It canbe found that VO1 has the lowest Eform of 0.70 eV and the electron localization area around the Pr atom enlarges and presents the biggest distortion as VO1 appears. The energy transfer from oxygen vacancies to the luminescent center accounts for the large enhancement. At last, the fabricated transparent display screen presents a transparency of 50% and high color purity (98%), and the LED device shows a large color gamut. These findings advance the understanding of the relationship between luminescent properties and oxygen vacancies, inspiring more design of narrow‐band red phoshors for display applications.https://doi.org/10.1002/advs.202416761anti‐thermal quenchingoxygen vacancyred emissiontransparent displayultra‐narrow‐band |
| spellingShingle | Wei Wang Yi Wei Hang Yang Jinxuan Sun Fuyan Su Hanrui Liao Hua Zou Mingrui Li Guogang Li Designing Ultra‐Narrow‐Band Red Phosphor via Oxygen Vacancy Engineering for Transparent Display Application Advanced Science anti‐thermal quenching oxygen vacancy red emission transparent display ultra‐narrow‐band |
| title | Designing Ultra‐Narrow‐Band Red Phosphor via Oxygen Vacancy Engineering for Transparent Display Application |
| title_full | Designing Ultra‐Narrow‐Band Red Phosphor via Oxygen Vacancy Engineering for Transparent Display Application |
| title_fullStr | Designing Ultra‐Narrow‐Band Red Phosphor via Oxygen Vacancy Engineering for Transparent Display Application |
| title_full_unstemmed | Designing Ultra‐Narrow‐Band Red Phosphor via Oxygen Vacancy Engineering for Transparent Display Application |
| title_short | Designing Ultra‐Narrow‐Band Red Phosphor via Oxygen Vacancy Engineering for Transparent Display Application |
| title_sort | designing ultra narrow band red phosphor via oxygen vacancy engineering for transparent display application |
| topic | anti‐thermal quenching oxygen vacancy red emission transparent display ultra‐narrow‐band |
| url | https://doi.org/10.1002/advs.202416761 |
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