Enhanced cooperative near-infrared quantum cutting in Pr<sup>3+</sup>-Yb<sup>3+</sup> co-doped phosphate glass

XU Bo; ZHANG Yue-pin; YANG Bin; XIA Hai-ping

doi:doi:10.1007/s11801-012-2294-6

光电子快报（英文版）, 2012, 8 (6): 453, Published Online: Jul. 12, 2017

Enhanced cooperative near-infrared quantum cutting in Pr³⁺-Yb³⁺ co-doped phosphate glass

论文大纲

XU Bo ZHANG Yue-pin ^*YANG Bin XIA Hai-ping

Author Affiliations

Key Laboratory of Photoelectronic Materials, Ningbo University, Ningbo 315211, China

Abstract

Pr³⁺ and Yb³⁺ co-doped phosphate glasses are prepared to study their optical properties. Excitation and emission spectra and decay curves are used to characterize their luminescence. We demonstrate that upon excitation of Pr³⁺ ion with one high energy photon at 470 nm, two near-infrared (NIR) photons are emitted at 950-1100 nm (Yb³⁺:²F^5/2 ->²F_7/2) through an efficient cooperative energy transfer (CET) from Pr³⁺ to Yb³⁺. The maximum energy transfer efficiency (ETE) and the corresponding quantum efficiency approach up to 90.17% and 190.17%, respectively. The glass materials might find potential application for improving the efficiency of silicon-based solar cells.

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XU Bo, ZHANG Yue-pin, YANG Bin, XIA Hai-ping. Enhanced cooperative near-infrared quantum cutting in Pr³⁺-Yb³⁺ co-doped phosphate glass[J]. 光电子快报（英文版）, 2012, 8(6): 453.

Enhanced cooperative near-infrared quantum cutting in Pr³⁺-Yb³⁺ co-doped phosphate glass

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