Hybrid inorganic-organic tandem solar cells for broad absorption of the solar spectrum

被引:19
作者
Speirs, M. J. [1 ]
Groeneveld, B. G. H. M. [1 ]
Protesescu, L. [2 ,3 ]
Piliego, C. [1 ]
Kovalenko, M. V. [2 ,3 ]
Loi, M. A. [1 ]
机构
[1] Univ Groningen, Zernike Inst Adv Mat, NL-9747 AG Groningen, Netherlands
[2] ETH, Dept Chem & Appl Biosci, CH-8093 Zurich, Switzerland
[3] EMPA Swiss Fed Labs Mat Sci & Technol, CH-8600 Dubendorf, Switzerland
关键词
EFFICIENCY; PBS; PHOTOCURRENT; FILMS;
D O I
10.1039/c4cp00846d
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
We report the first hybrid tandem solar cell with solution processable active layers using colloidal PbS quantum dots (QDs) as the front subcell in combination with a polymer-fullerene rear subcell. Al/WO3 is introduced as an interlayer, yielding an open circuit voltage (V-OC) equal to about 92% of the sum of the V-OC of the subcells. The device exhibits a power conversion efficiency of 1.8%. Optical simulations of various tandem configurations show that combining PbS QDs with small-bandgap polymers is a promising strategy to obtain tandem solar cells with a very broad absorption range and a high short circuit current.
引用
收藏
页码:7672 / 7676
页数:5
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