scholarly journals High‐Efficiency Organic Solar Cells with Wide Toleration of Active Layer Thickness

Solar RRL ◽  
2020 ◽  
Vol 4 (10) ◽  
pp. 2000476
Author(s):  
Kangkang Weng ◽  
Linglong Ye ◽  
Chao Li ◽  
Zichao Shen ◽  
Jinqiu Xu ◽  
...  
Keyword(s):  
Solar Cells ◽  
Layer Thickness ◽  
Active Layer ◽  
Organic Solar Cells ◽  
High Efficiency ◽  
Active Layer Thickness

Vertically Optimized Phase Separation with Improved Exciton Diffusion Enables High-Efficiency Organic Solar Cells with Thick Active Layers

2021 ◽  
Author(s):  
Yanming Sun ◽  
Yunhao Cai ◽  
Qian Li ◽  
Guanyu Lu ◽  
Hwa Sook Ryu ◽  
...  
Keyword(s):  
Solar Cells ◽  
Phase Separation ◽  
Active Layer ◽  
Organic Solar Cells ◽  
High Efficiency ◽  
Diffusion Length ◽  
Active Layer Thickness ◽  
Exciton Diffusion ◽  
Exciton Diffusion Length ◽  
Active Layers

Abstract The development of high-performance organic solar cells (OSCs) with thick active layers is of crucial importance for the roll-to-roll printing of large-area solar panels. Unfortunately, increasing the active layer thickness usually results in a significant reduction in efficiency. Herein, we fabricated efficient thick-film OSCs with an active layer consisting of one polymer donor and two non-fullerene acceptors. The two acceptors were found to possess enlarged exciton diffusion length in the mixed phase, which is beneficial to exciton generation and dissociation. Additionally, layer by layer approach was employed to optimize the vertical phase separation. Benefiting from the synergetic effects of enlarged exciton diffusion length and graded vertical phase separation, a record high efficiency of 17.31% (certified value of 16.9%) was obtained for the 300 nm-thick OSC, with an unprecedented short-circuit current density of 28.36 mA cm−2, and a high fill factor of 73.0%. Moreover, the device with an active layer thickness of 500 nm also shows a record efficiency of 15.21%. This work provides new insights into the fabrication of high-efficiency OSCs with thick active layers.

Active layer thickness effect on the recombination process of PCDTBT:PC71BM organic solar cells

2013 ◽  
Vol 14 (1) ◽  
pp. 74-79 ◽  
Author(s):  
Gon Namkoong ◽  
Jaemin Kong ◽  
Matthew Samson ◽  
In-Wook Hwang ◽  
Kwanghee Lee
Keyword(s):  
Solar Cells ◽  
Layer Thickness ◽  
Active Layer ◽  
Organic Solar Cells ◽  
Recombination Process ◽  
Thickness Effect ◽  
Active Layer Thickness

Large active layer thickness toleration of high-efficiency small molecule solar cells

2015 ◽  
Vol 3 (44) ◽  
pp. 22274-22279 ◽  
Author(s):  
Qian Zhang ◽  
Bin Kan ◽  
Xiangjian Wan ◽  
Hua Zhang ◽  
Feng Liu ◽  
...  
Keyword(s):  
Solar Cells ◽  
Layer Thickness ◽  
Active Layer ◽  
Small Molecule ◽  
High Efficiency ◽  
Power Conversion ◽  
Photovoltaic Performance ◽  
Thickness Dependence ◽  
Active Layer Thickness ◽  
Conversion Efficiencies

The thickness dependence of the photovoltaic performance for devices based on the small molecule DR3TSBDT:PC71BM was systematically investigated and the power conversion efficiencies are found to be relatively insensitive to the thickness.

scholarly journals Charge carrier transport and contact selectivity limit the operation of PTB7-based organic solar cells of varying active layer thickness

2013 ◽  
Vol 1 (39) ◽  
pp. 12345 ◽  
Author(s):  
Antonio Guerrero ◽  
Núria F. Montcada ◽  
Jon Ajuria ◽  
Ikerne Etxebarria ◽  
Roberto Pacios ◽  
...  
Keyword(s):  
Solar Cells ◽  
Charge Carrier ◽  
Layer Thickness ◽  
Active Layer ◽  
Organic Solar Cells ◽  
Carrier Transport ◽  
Active Layer Thickness ◽  
Charge Carrier Transport

High Performance Thick‐Film Nonfullerene Organic Solar Cells with Efficiency over 10% and Active Layer Thickness of 600 nm

2019 ◽  
Vol 9 (45) ◽  
pp. 1902688 ◽  
Author(s):  
Yamin Zhang ◽  
Huanran Feng ◽  
Lingxian Meng ◽  
Yanbo Wang ◽  
Meijia Chang ◽  
...  
Keyword(s):  
Solar Cells ◽  
Thick Film ◽  
Layer Thickness ◽  
Active Layer ◽  
Organic Solar Cells ◽  
High Performance ◽  
Active Layer Thickness

Simulative Parametric Study on Heterojunction Thin Film Solar Cells Incorporating Interfacial Nanoclusters Layer

2019 ◽  
Vol 6 (1-2) ◽  
pp. 23-28 ◽  
Author(s):  
Megha Grover ◽  
Monika Nehra ◽  
Deepak Kedia
Keyword(s):  
Solar Cells ◽  
Solar Cell ◽  
Layer Thickness ◽  
Active Layer ◽  
Interfacial Layer ◽  
High Efficiency ◽  
Copper Phthalocyanine ◽  
Cell Performance ◽  
Active Layer Thickness ◽  
Solar Cell Performance

Abstract Organic solar cells deal with small organic molecules for absorption of light at low cost and high efficiency. In this paper, we have analyzed the photovoltaic (PV) characteristics of double heterojunction solar cell that consists of copper phthalocyanine (CuPc) and 3,4,9,10-perylenetetracarboxylic bis-benzimidazole (PTCBI) thin films. Here, CuPc and PTCBI layers are combined by an interfacial layer consisting of nanoscale dots. Different plasmonic materials (i. e. Ag, Au, and graphene) are selected as alternative nanoscale dot layer to examine their effect on solar cell performance. Further, the solar cell performance is also examined via variation in active layer thickness. The choice of interfacial layer material and variation in active layer thickness offer grounds for future efficient PV cells.

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