Efficient up-conversion Yb3+, Er3+ co-doped Na5Lu9F32 single crystal for photovoltaic application under solar cell spectrum excitation

Xiong Zhou; Hui Wang; Haiping Xia; Hongwei Song; Xu Chen; Jianxu Hu; Baojiu Chen

doi:10.3788/COL201917.091601

Journals >Chinese Optics Letters >Volume 17 >Issue 9 >Page 091601 > Article

Chinese Optics Letters
Vol. 17, Issue 9, 091601 (2019)

Efficient up-conversion Yb³⁺, Er³⁺ co-doped Na₅Lu₉F₃₂ single crystal for photovoltaic application under solar cell spectrum excitation

Xiong Zhou¹, Hui Wang¹, Haiping Xia^1、*, Hongwei Song^2、**, Xu Chen², Jianxu Hu¹, and Baojiu Chen³

Author Affiliations

¹Key Laboratory of Photo-Electronic Materials, Ningbo University, Ningbo 315211, China

²State Key Laboratory on Integrated Optoelectronics, College of Electronic Science and Engineering and College of Physics, Jilin University, Changchun 130012, China

³Department of Physics, Dalian Maritime University, Dalian 116026, China

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DOI: 10.3788/COL201917.091601 Cite this Article Set citation alerts

Xiong Zhou, Hui Wang, Haiping Xia, Hongwei Song, Xu Chen, Jianxu Hu, Baojiu Chen. Efficient up-conversion Yb³⁺, Er³⁺ co-doped Na₅Lu₉F₃₂ single crystal for photovoltaic application under solar cell spectrum excitation[J]. Chinese Optics Letters, 2019, 17(9): 091601 Copy Citation Text

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Fig. 1. Model of modified perovskite solar cell.

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XRD patterns of Er3+/Yb3+ co-doped Na5Lu9F32 single crystal. Insert is the photo of polished Er3+/Yb3+ co-doped Na5Lu9F32 single crystal.

Fig. 2. XRD patterns of

E r^{3 +} / {Yb}^{3 +}

co-doped

{Na}_{5} {Lu}_{9} F_{32}

single crystal. Insert is the photo of polished

{Er}^{3 +} / {Yb}^{3 +}

co-doped

{Na}_{5} {Lu}_{9} F_{32}

single crystal.

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Fig. 3. (a) VIS-NIR absorption spectrum of

{Er}^{3 +} / {Yb}^{3 +}

co-doped

{Na}_{5} {Lu}_{9} F_{32}

single crystals. (b) Transmittance spectrum of

{Er}^{3 +} / {Yb}^{3 +}

co-doped

{Na}_{5} {Lu}_{9} F_{32}

single crystal.

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Fig. 4. (a) VIS UC emission spectra of the

{Na}_{5} {Lu}_{9} F_{32} : {Yb}^{3 +}

{Er}^{3 +}

single crystal under 980 nm laser excitation. (b) Energy transfer mechanism for

{Na}_{5} {Lu}_{9} F_{32} : {Yb}^{3 +}

{Er}^{3 +}

under 980 nm excitation.

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Fig. 5. (a) VIS UC emission spectra of the

{Na}_{5} {Lu}_{9} F_{32} : {Yb}^{3 +}

{Er}^{3 +}

single crystal under 1514 nm laser excitation. (b) Energy transfer mechanism of

{Na}_{5} {Lu}_{9} F_{32} : {Yb}^{3 +}

{Er}^{3 +}

under 1514 nm excitation.

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Fig. 6. PLE spectrum (blue) and PL spectrum (gray) of

{Er}^{3 +} / {Yb}^{3 +}

co-doped

{Na}_{5} {Lu}_{9} F_{32}

single crystals. AM 1.5 G solar spectrum (red) and spectral response of PSC (green) are the backgrounds.

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Fig. 7. J–V curves of the PSCs under simulated solar illumination.

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Devices	$J_{s c} (mA \cdot {cm}^{- 2})$	V_oc (V)	Fill Factor (FF)	$η$ (%)	Increase (%)
Reference PCE (no crystal)	21.29	1.02	67.63	14.69	–
${Na}_{5} {Lu}_{9} F_{32} : 1 % {Er}^{3 +}$ , $8 % {Yb}^{3 +}$	22.92	1.03	71.84	16.96	15.45
${Na}_{5} {Lu}_{9} F_{32} : 0.5 % {Er}^{3 +}$ , $8 % {Yb}^{3 +}$	23.58	1.03	70.32	16.97	15.50