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http://hdl.handle.net/10397/87500
Title: | Pyrophosphate phosphor solid solution with high quantum efficiency and thermal stability for efficient LED lighting | Authors: | Zhong, Y Xia, M Chen, Z Gao, P Hintzen, HTB Wong, WY Wang, J Zhou, Z |
Issue Date: | 2020 | Source: | iScience, 2020, v. 23, no. 3, 100892 | Abstract: | Phosphors with high quantum efficiency and thermal stability are greatly desired for lighting industries. Based on the design strategy of solid solution, a series of deep-blue-emitting phosphors (Sr0.99-xBax)2P2O7:0.02Eu2+ (SBxPE x = 0–0.5) are developed. Upon excitation at 350 nm, the optimized SB0.3PE phosphor shows a relatively narrow full width at half maximum (FWHM = 32.7 nm) peaking at 420 nm, which matches well with the plant absorption in blue region. Moreover, this phosphor exhibits obvious enhancement of internal quantum efficiency (IQE) (from 74% to 100%) and thermal stability (from 88% to 108% of peak intensity and from 99% to 124% of integrated area intensity at 150°C) compared with the pristine one. The white LED devices using SB0.3PE as deep-blue-emitting component show good electronic properties, indicating that SB0.3PE is promising to be used in plant growth lighting, white LEDs, and other photoelectric applications. Inorganic Materials; Materials Application; Optical Materials | Keywords: | Inorganic materials Materials application Optical materials |
Publisher: | Cell Press | Journal: | iScience | EISSN: | 2589-0042 | DOI: | 10.1016/j.isci.2020.100892 | Rights: | © 2020 The Author(s). This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/) The following publication Zhong, Y., Xia, M., Chen, Z., Gao, P., Hintzen, H. B., Wong, W. Y., ... & Zhou, Z. (2020). Pyrophosphate phosphor solid solution with high quantum efficiency and thermal stability for efficient LED lighting. Iscience, 23(3), 100892, is available at https://doi.org/10.1016/j.isci.2020.100892 |
Appears in Collections: | Journal/Magazine Article |
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