Simulation of charge Carrier mobility unbalance in organic solar cells

被引:28
作者
Gagliardi, Alessio [1 ]
Wang, Shengda [1 ]
Albes, Tim [1 ]
机构
[1] Tech Univ Munich, Arcisstr 21, D-80333 Munich, Germany
关键词
Solar cells; Drift-diffusion; Charge mobility unbalance; Organic semiconductors; HETEROJUNCTION; TRANSPORT; RECOMBINATION; EFFICIENCY;
D O I
10.1016/j.orgel.2018.05.006
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Organic solar cells are an interesting and promising photovoltaic technology which has faced a strong development in the last decade. Still, there is plenty of room for device improvement. Many different parameters, not always easy to control, determine the final power conversion efficiency. In this work we analyze the impact of unbalance charge carrier mobilities. It is known that a different charge mobility for electrons and holes determines a reduction in performance. We have developed a numerical model that includes the 3D morphology of the blend in the simulator. With this model we are able to observe the charge and current density distribution across the blend at different working points. We have investigated the effect of charge unbalance to solar cell performance.
引用
收藏
页码:171 / 176
页数:6
相关论文
共 60 条
[1]   Influence of permittivity and energetic disorder on the spatial charge carrier distribution and recombination in organic bulk-heterojunctions [J].
Albes, Tim ;
Gagliardi, Alessio .
PHYSICAL CHEMISTRY CHEMICAL PHYSICS, 2017, 19 (31) :20974-20983
[2]   Investigation of the Blend Morphology in Bulk-Heterojunction Organic Solar Cells [J].
Albes, Tim ;
Lugli, Paolo ;
Gagliardi, Alessio .
IEEE TRANSACTIONS ON NANOTECHNOLOGY, 2016, 15 (02) :281-288
[3]  
[Anonymous], 2010, Polygon Mesh Processing, DOI DOI 10.1201/B10688
[4]   Solid-state dye-sensitized mesoporous TiO2 solar cells with high photon-to-electron conversion efficiencies [J].
Bach, U ;
Lupo, D ;
Comte, P ;
Moser, JE ;
Weissörtel, F ;
Salbeck, J ;
Spreitzer, H ;
Grätzel, M .
NATURE, 1998, 395 (6702) :583-585
[5]   CHARGE TRANSPORT IN DISORDERED ORGANIC PHOTOCONDUCTORS - A MONTE-CARLO SIMULATION STUDY [J].
BASSLER, H .
PHYSICA STATUS SOLIDI B-BASIC RESEARCH, 1993, 175 (01) :15-56
[6]   Predicting structure and property relations in polymeric photovoltaic devices [J].
Buxton, Gavin A. ;
Clarke, Nigel .
PHYSICAL REVIEW B, 2006, 74 (08)
[7]   Computer simulation of polymer solar cells [J].
Buxton, Gavin A. ;
Clarke, Nigel .
MODELLING AND SIMULATION IN MATERIALS SCIENCE AND ENGINEERING, 2007, 15 (02) :13-26
[8]   Polymer-fullerene bulk heterojunction solar cells [J].
Deibel, Carsten ;
Dyakonov, Vladimir .
REPORTS ON PROGRESS IN PHYSICS, 2010, 73 (09)
[9]   Origin of the Efficient Polaron-Pair Dissociation in Polymer-Fullerene Blends [J].
Deibel, Carsten ;
Strobel, Thomas ;
Dyakonov, Vladimir .
PHYSICAL REVIEW LETTERS, 2009, 103 (03)
[10]   Polymer-Fullerene Bulk-Heterojunction Solar Cells [J].
Dennler, Gilles ;
Scharber, Markus C. ;
Brabec, Christoph J. .
ADVANCED MATERIALS, 2009, 21 (13) :1323-1338