The Analysis of Dual-Junction Tandem Solar Cells Enhanced by Surface Dispensed Quantum Dots

被引：13
作者：
Hsu, Shun-Chieh [1 ]
Huang, Yu-Ming [1 ]
Kao, Yu-Cheng [2 ]
Kuo, Hao-Chung [3 ]
Horng, Ray-Hua [2 ,4 ]
Lin, Chien-Chung [1 ]
机构：
[1] Natl Chiao Tung Univ, Inst Photon Syst, Tainan 71150, Taiwan
[2] Natl Chung Hsing Univ, Grad Inst Precis Engn, Taichung 40227, Taiwan
[3] Natl Chiao Tung Univ, Inst Electroopt Engn, Hsinchu 30010, Taiwan
[4] Natl Chiao Tang Univ, Inst Elect, Hsinchu 30010, Taiwan
来源：
IEEE PHOTONICS JOURNAL | 2018年 / 10卷 / 05期
关键词：
Dual junction tandem solar cell; quantum dots; solar cells; GaAs; luminescent downshift effect; CONVERSION EFFICIENCY; LUMINESCENT MATERIAL; ENCAPSULATION LAYER; SPECTRAL RESPONSE; PERFORMANCE; CONCENTRATORS; ABSORPTION;
D O I：
10.1109/JPHOT.2018.2865538
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The luminescent down-shifting (LDS) effect of a colloidal quantum dot layer on a dual junction solar cell is explored and analyzed. A 5.47% enhancement of power conversion efficiency is recorded when green quantum dots are dispersed on device surface. The surface reflectance spectra before and after the quantum dot dispenses are necessary to decouple the different mechanisms between antireflective and LDS effects. A further deduction of formulation on the dual-junction device with antireflection and LDS effect is presented and as high as 44.6% of short-circuit current increase in the green quantum dot case can be attributed to the LDS effect according to our calculation.
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页数：11
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