Pure red visible emission via three-photon excitation of colloidal Na<sub>3</sub>ZrF<sub>7</sub>:Er nanoparticles using a telecom-band laser

Shuai Ye; Guangsheng Wang; Maozhen Xiong; Jun Song; Junle Qu; Weixin Xie

doi:doi:10.3788/COL201715.011601

Chinese Optics Letters, 2017, 15 (1): 011601, Published Online: Jul. 26, 2018

Pure red visible emission via three-photon excitation of colloidal Na₃ZrF₇:Er nanoparticles using a telecom-band laser

Shuai Ye ^1,2Guangsheng Wang ¹Maozhen Xiong ¹Jun Song ^1,*Junle Qu ¹Weixin Xie ²

Author Affiliations

¹ Key Lab of Optoelectronic Devices and Systems of Ministry of Education/Guangdong Province, College of Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China

² College of Information Engineering, Shenzhen University, Shenzhen 518060, China

Figures & Tables

Fig. 1. (a) XRD patterns of Er3+-doped Na3ZrF7 NPs with different Er3+ concentrations, and (b) typical TEM image of Na3ZrF7:Er3+5% NPs.

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Fig. 2. Spectra of Er3+-doped Na3ZrF7 NPs with different Er3+ concentrations excited by (a) 1480 and (b) 980 nm lasers. The insets are the photographs of the Na3ZrF7:5%Er3+ NPs dispersed in hexane.

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Fig. 3. Decay profiles of transitions of Er3+ ions under 1480 nm laser excitation: (a) S3/24→I15/24 at 540 nm and (b) F9/24→I15/24 at 655 nm.

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Fig. 4. Diagram of UC via energy transfer UC processes between two Er3+ ions under (a) 1480 and (b) 980 nm laser excitation.

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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.

Pure red visible emission via three-photon excitation of colloidal Na₃ZrF₇:Er nanoparticles using a telecom-band laser

Fig. 1. (a) XRD patterns of Er3+-doped Na3ZrF7 NPs with different Er3+ concentrations, and (b) typical TEM image of Na3ZrF7:Er3+5% NPs.

Fig. 2. Spectra of Er3+-doped Na3ZrF7 NPs with different Er3+ concentrations excited by (a) 1480 and (b) 980 nm lasers. The insets are the photographs of the Na3ZrF7:5%Er3+ NPs dispersed in hexane.

Fig. 3. Decay profiles of transitions of Er3+ ions under 1480 nm laser excitation: (a) S3/24→I15/24 at 540 nm and (b) F9/24→I15/24 at 655 nm.

Fig. 4. Diagram of UC via energy transfer UC processes between two Er3+ ions under (a) 1480 and (b) 980 nm laser excitation.

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Pure red visible emission via three-photon excitation of colloidal Na3ZrF7:Er nanoparticles using a telecom-band laser

Fig. 1. (a) XRD patterns of Er3+-doped Na3ZrF7 NPs with different Er3+ concentrations, and (b) typical TEM image of Na3ZrF7:Er3+5% NPs.

Fig. 2. Spectra of Er3+-doped Na3ZrF7 NPs with different Er3+ concentrations excited by (a) 1480 and (b) 980 nm lasers. The insets are the photographs of the Na3ZrF7:5%Er3+ NPs dispersed in hexane.

Fig. 3. Decay profiles of transitions of Er3+ ions under 1480 nm laser excitation: (a) S3/24→I15/24 at 540 nm and (b) F9/24→I15/24 at 655 nm.

Fig. 4. Diagram of UC via energy transfer UC processes between two Er3+ ions under (a) 1480 and (b) 980 nm laser excitation.

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Pure red visible emission via three-photon excitation of colloidal Na₃ZrF₇:Er nanoparticles using a telecom-band laser