Tandem Dye-Sensitized Solar Cells Based on TCO-less Back Contact Bottom Electrodes

被引：5
作者：
Baranwal, Ajay K. [1 ]
Fujikawa, Naotaka [1 ]
Nishimura, Terumi [1 ]
Ogomi, Yuhei [1 ]
Pandey, Shyam S. [1 ]
Ma, Tingli [1 ]
Hayase, Shuzi [1 ]
机构：
[1] Kyushu Inst Technol, Grad Sch Life Sci & Syst Engn, Div Green Elect, 2-4 Hibikino, Kitakyushu, Fukuoka 8080196, Japan
来源：
INDIA-JAPAN EXPERT GROUP MEETING ON BIOMOLECULAR ELECTRONICS & ORGANIC NANOTECHNOLOGY FOR ENVIRONMENT PRESERVATION (IJEGMBE 2015) | 2016年 / 704卷
关键词：
TIO2;
D O I：
10.1088/1742-6596/704/1/012003
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：
Mechanically stacked and series connected tandem dye sensitized solar cells (TDSSCs) are fabricated in novel architectures. The architecture consist of TCO tandem DSSCs stacked with TCO-less back contact DSSCs as bottom electrodes (TCO-less tandem DSSCs). Resulting TCO-less tandem DSSCs architecture finds its usefulness in efficient photon harvesting due to improved light transmission and enhanced photons reaching to the bottom electrodes. The fabricated tandem performance was verified with visible light harvesting model dyes D131 and N719 as a proof of concept and provided the photoconversion efficiency (PCE) of 6.06 % under simulated condition. Introduction of panchromatic photon harvesting by utilizing near infrared light absorbing Si-phthalocyanine dye in combination with the modified tandem DSSC architecture led to enhancement in the PCE up to 7.19 %.
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页数：8
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