Shuai Ye, Guangsheng Wang, Maozhen Xiong, Jun Song, Junle Qu, Weixin Xie. Pure red visible emission via three-photon excitation of colloidal Na3ZrF7:Er nanoparticles using a telecom-band laser[J]. Chinese Optics Letters, 2017, 15(1): 011601
- Chinese Optics Letters
- Vol. 15, Issue 1, 011601 (2017)
Fig. 1. (a) XRD patterns of Er 3 + Na 3 ZrF 7 Er 3 + Na 3 ZrF 7 : Er 3 + 5 %
Fig. 2. Spectra of Er 3 + Na 3 ZrF 7 Er 3 + Na 3 ZrF 7 : 5 % Er 3 +
Fig. 3. Decay profiles of transitions of Er 3 + S 3 / 2 4 → I 15 / 2 4 F 9 / 2 4 → I 15 / 2 4
Fig. 4. Diagram of UC via energy transfer UC processes between two Er 3 +
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