Temperature Characteristics and Splitting of PL Spectra of Er3+∶Yb3+∶Tm3+ Co-Doped Borosilicate Glasses

Chem. J. Chinese Universities ›› 2009, Vol. 30 ›› Issue (6): 1189.

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Temperature Characteristics and Splitting of PL Spectra of Er³⁺∶Yb³⁺∶Tm³⁺ Co-Doped Borosilicate Glasses

ZHANG Li, LI Cheng-Ren*, MING Cheng-Guo, WANG Bao-Cheng, XU Wei

College of Physics and Electronic Technology, Liaoning Normal University, Dalian 116029, China

Received:2008-10-06 Online:2009-06-10 Published:2009-06-10
Contact: LI Cheng-Ren, E-mail: lshdg@sina.com.cn
Supported by:
国家自然科学基金(批准号: 10804015)和辽宁省科技厅项目(批准号: 20062137)资助.

Abstract

Abstract:

Er³⁺∶Yb³⁺∶Tm³⁺ co-doped borosilicate glasses were prepared by high-temperature scorching under solid phase. The temperature characteristics of the photoluminescence spectra were measured in the range of 300—573 K under pumping by a 978 nm semiconductor laser, and spectra splitting of green and red up-conversion emissions at room temperature were discussed. The mechanisms of the energy transfer among Er³⁺, Yb³⁺ and Tm³⁺ions were analyzed. The results show that photoluminescence intensities of the samples at 480, 517, 534 and 657 nm descend monotonously with the increasing temperature, almost disappear at 490 K. However, the photoluminescence intensity of the near infrared at about 900 nm stronger and stronger when sample temperature increases, and peak wavelength shift to the short-wavelength direction. The photoluminescence spectra take on marked splitting at room temperature, but the splitting become weaker at high temperature.

Key words: Er³⁺∶Yb^3+∶Tm³⁺ co-doped borosilicate glass, Up-conversion photoluminescence, Temperature characteristic, Spectra splitting

TrendMD:

ZHANG Li, LI Cheng-Ren*, MING Cheng-Guo, WANG Bao-Cheng, XU Wei. Temperature Characteristics and Splitting of PL Spectra of Er³⁺∶Yb³⁺∶Tm³⁺ Co-Doped Borosilicate Glasses[J]. Chem. J. Chinese Universities, 2009, 30(6): 1189.

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Temperature Characteristics and Splitting of PL Spectra of Er³⁺∶Yb³⁺∶Tm³⁺ Co-Doped Borosilicate Glasses

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