Eu2O3-doped transparent glass-ceramics containing nanoscale crystals for tunable Blue-to-Red photoluminescence
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This study focuses on manufacturing transparent Y2O3-Al2O3-B2O3 (YAB) glass-ceramics with excellent Photoluminescence(PL) characteristics and controlling tunable PL properties from blue to red through Eu3+ doping. The YAB glass-ceramics wasmanufactured by nucleating at the maximum nucleation temperature (TI) of 784 ℃ and subsequently undergoing crystallinegrowth for 5 minutes to 4 hours at 900 ℃ to produce transparent glass ceramics. All processed samples exhibited Al4B2O9crystal phases, especially with a short 5 min heat treatment, resulting in Al4B2O9 crystal phases below 590 nm, leading tooptical transmittance levels similar to those of the parent glass. Moreover, PL analysis of Eu3+ ion-doped glass-ceramicsamples revealed emissions at 592, 613, and 701 nm under UV excitation, with the 613 nm light exhibiting the main peak,and its intensity increasing with the Eu3+ ion doping amount. Additionally, through Commission International de l’Eclairage(CIE) coordinate analysis, it was observed that as the Eu3+ ion doping amount increased, the overall emission shifted fromblue to red. This study demonstrates the successful fabrication of YAB glass-ceramics with transparency and superior PLcharacteristics, as well as effective control of luminescent properties through a 2-step processing method and Eu3+ ion doping.
Abstract
This study focuses on manufacturing transparent Y2O3-Al2O3-B2O3 (YAB) glass-ceramics with excellent Photoluminescence(PL) characteristics and controlling tunable PL properties from blue to red through Eu3+ doping. The YAB glass-ceramics wasmanufactured by nucleating at the maximum nucleation temperature (TI) of 784 ℃ and subsequently undergoing crystallinegrowth for 5 minutes to 4 hours at 900 ℃ to produce transparent glass ceramics. All processed samples exhibited Al4B2O9crystal phases, especially with a short 5 min heat treatment, resulting in Al4B2O9 crystal phases below 590 nm, leading tooptical transmittance levels similar to those of the parent glass. Moreover, PL analysis of Eu3+ ion-doped glass-ceramicsamples revealed emissions at 592, 613, and 701 nm under UV excitation, with the 613 nm light exhibiting the main peak,and its intensity increasing with the Eu3+ ion doping amount. Additionally, through Commission International de l’Eclairage(CIE) coordinate analysis, it was observed that as the Eu3+ ion doping amount increased, the overall emission shifted fromblue to red. This study demonstrates the successful fabrication of YAB glass-ceramics with transparency and superior PLcharacteristics, as well as effective control of luminescent properties through a 2-step processing method and Eu3+ ion doping.
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