Ultraviolet upconversion luminescence of Gd3+ and Eu3+ in nano-structured glass ceramics |
| |
| Authors: | Hang Lin Daqin Chen Yunlong Yu Anping Yang Rui Zhang Yuansheng Wang |
| |
| Affiliation: | 1. College of Physics and Optoelectronics, Taiyuan University of Technology, Taiyuan, 030024, China;2. Key Lab of Advanced Transducers and Intelligent Control System of Ministry of Education, Taiyuan University of Technology, Taiyuan, 030024, China;3. Beijing Synchrotron Radiation Facilities, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, 100039, China;4. Department of Experimental Physics, Ural Federal University, Ekaterinburg, 620002, Russia;1. Institute of Chemistry, University of Silesia, 9 Szkolna Street, 40-007 Katowice, Poland;1. Department of Physics, Banaras Hindu University, Varanasi, 221005, India;2. Department of Physics, Indian Institute of Technology (Banaras Hindu University), Varanasi, 221005, India;1. State Key Laboratory of Silicate Materials for Architectures, Wuhan University of Technology, 122? Luoshi Road, Hongshan, Wuhan 430070, Hubei, China;2. Center for Information Materials, Department of Materials Science and Engineering/Division of Advanced Nuclear Engineering (DANE), Pohang University of Science and Technology (POSTECH), San 31, Hyojia-dong, Pohang, Gyeongbuk 790-784, South Korea |
| |
| Abstract: | Ultraviolet multiphoton upconversion emissions of Eu3+ (5H3–7, 5G2–6, 5L6 → 7F0) and Gd3+ (6IJ, 6PJ → 8S7/2) are studied in the Eu3+ (or Gd3+) doped SiO2–Al2O3–NaF–YF3 precursor glasses and glass ceramics containing β-YF3 nanocrystals, under continuous-wavelength 976 nm laser pumping. It is experimentally demonstrated that energy transfer from Yb3+ to Tm3+, then further to Eu3+ or Gd3+ is responsible for the upconversion process. Compared to those in the precursor glasses, the upconversion emission intensities in the glass ceramics are greatly enhanced, owing to the participation of rare earth ions into the low-phonon-energy environment of β-YF3 nanocrystals. Hopefully, the studied glass ceramics may find potential applications in the field of ultraviolet solid-state lasers. |
| |
| Keywords: | |
| 本文献已被 ScienceDirect 等数据库收录！ |
|
