silicon solar cells
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2022 ◽  
Vol 236 ◽  
pp. 111534
Author(s):  
Andreas Fell ◽  
Johannes Greulich ◽  
Frank Feldmann ◽  
Christoph Messmer ◽  
Jonas Schön ◽  
...  

Materials ◽  
2022 ◽  
Vol 15 (2) ◽  
pp. 452
Author(s):  
Wen-Jeng Ho ◽  
Jheng-Jie Liu ◽  
Bo-Xun Ke

Luminescent down-shifting (LDS) spectral conversion is a feasible approach to enhancing the short-wavelength response of single junction solar cells. This paper presents the optical and electrical characteristics of LDS spectral conversion layers containing a single species or two species of Eu-doped phosphors applied to the front surface of silicon solar cells via spin-on coating. The chemical composition, surface morphology, and fluorescence emission of the LDS layers were respectively characterized using energy-dispersive X-ray analysis, optical imaging, and photoluminescence measurements. We also examined the LDS effects of various phosphors on silicon solar cells in terms of optical reflectance and external quantum efficiency. Finally, we examined the LDS effects of the phosphors on photovoltaic performance by measuring photovoltaic current density–voltage characteristics using an air-mass 1.5 global solar simulator. Compared to the control cell, the application of a single phosphor enhanced efficiency by 17.39% (from 11.14% to 13.07%), whereas the application of two different phosphors enhanced efficiency by 31.63% (from 11.14% to 14.66%).


Silicon ◽  
2022 ◽  
Author(s):  
S. Sreejith ◽  
J. Ajayan ◽  
Sreedhar Kollem ◽  
B. Sivasankari

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