Development of Highly Crystalline Donor–Acceptor-Type Random Polymers for High Performance Large-Area Organic Solar Cells

2017 ◽  
Vol 50 (19) ◽  
pp. 7567-7576 ◽  
Author(s):  
Jae Hoon Yun ◽  
Hyungju Ahn ◽  
Phillip Lee ◽  
Min Jae Ko ◽  
Hae Jung Son
Keyword(s):  
Solar Cells ◽  
Organic Solar Cells ◽  
High Performance ◽  
Large Area ◽  
Donor Acceptor

High-Performance Large-Area Organic Solar Cells Enabled by Sequential Bilayer Processing via Nonhalogenated Solvents

2018 ◽  
Vol 9 (1) ◽  
pp. 1802832 ◽  
Author(s):  
Sheng Dong ◽  
Kai Zhang ◽  
Boming Xie ◽  
Jingyang Xiao ◽  
Hin-Lap Yip ◽  
...  
Keyword(s):  
Solar Cells ◽  
Organic Solar Cells ◽  
High Performance ◽  
Large Area

scholarly journals All-small-molecule organic solar cells with over 14% efficiency by optimizing hierarchical morphologies

2019 ◽  
Vol 10 (1) ◽  
Author(s):  
Ruimin Zhou ◽  
Zhaoyan Jiang ◽  
Chen Yang ◽  
Jianwei Yu ◽  
Jirui Feng ◽  
...  
Keyword(s):  
Solar Cells ◽  
Small Molecule ◽  
Organic Solar Cells ◽  
High Performance ◽  
High Efficiency ◽  
Bulk Heterojunction ◽  
Photovoltaic Performance ◽  
Photovoltaic System ◽  
Active Layers ◽  
Donor Acceptor

AbstractThe high efficiency all-small-molecule organic solar cells (OSCs) normally require optimized morphology in their bulk heterojunction active layers. Herein, a small-molecule donor is designed and synthesized, and single-crystal structural analyses reveal its explicit molecular planarity and compact intermolecular packing. A promising narrow bandgap small-molecule with absorption edge of more than 930 nm along with our home-designed small molecule is selected as electron acceptors. To the best of our knowledge, the binary all-small-molecule OSCs achieve the highest efficiency of 14.34% by optimizing their hierarchical morphologies, in which the donor or acceptor rich domains with size up to ca. 70 nm, and the donor crystals of tens of nanometers, together with the donor-acceptor blending, are proved coexisting in the hierarchical large domain. All-small-molecule photovoltaic system shows its promising for high performance OSCs, and our study is likely to lead to insights in relations between bulk heterojunction structure and photovoltaic performance.

Printable SnO2 cathode interlayer with up to 500 nm thickness-tolerance for high-performance and large-area organic solar cells

2020 ◽  
Vol 63 (7) ◽  
pp. 957-965 ◽  
Author(s):  
Yiming Bai ◽  
Chunyan Zhao ◽  
Shuai Zhang ◽  
Shaoqing Zhang ◽  
Runnan Yu ◽  
...  
Keyword(s):  
Solar Cells ◽  
Organic Solar Cells ◽  
High Performance ◽  
Large Area ◽  
Thickness Tolerance ◽  
Cathode Interlayer

Efficiency Improvement of Organic Solar Cells Using 350 nm Surface Relief Grating by Holographic Lithography

2020 ◽  
Vol 12 (4) ◽  
pp. 484-489
Author(s):  
Minghui You ◽  
Jiayin Song ◽  
Zhaoxin Wang ◽  
Bei Wang ◽  
Jingsheng Liu
Keyword(s):  
Solar Cells ◽  
Organic Solar Cells ◽  
High Performance ◽  
Light Trapping ◽  
Grating Period ◽  
Fdtd Simulation ◽  
Large Area ◽  
Device Structure ◽  
Sem Images ◽  
Conversion Efficiencies

There was inefficient light absorption in the thin active layers due to optical losses in Organic Solar Cells (OSCs) with relatively large area. Therefore, it is a key issue to have a light trapping structure for highly efficient OSCs. For high performance devices fabrication, a smart grating was fabricated using holographic photolithography incorporated with wet etching technology. Scanning electron microscopy (SEM) images of fabrication were employed before/after spin-coating active layer. With the aid of optical finite difference time Domain (FDTD) simulation for optical effect, the optimized device structure ITO (1D grating)/PEDOT:PSS (40 nm)/PBDB-T:ITIC (100 nm)/PDINO (5 nm)/Al (100 nm) was obtained. The experimental results showed that when the grating period was 350 nm, depth 40 nm, the power conversion efficiencies (PCE) reached to 9.51%, an apparent increase from those of the typical P3HT:PC71BM structure. This work indicates that the diffraction gratings had a potential to realize more efficient organic photovoltaics, if suitable fabrication processing methods can be developed.

An acceptor–donor–acceptor type non-fullerene acceptor with an asymmetric backbone for high performance organic solar cells

2020 ◽  
Vol 8 (18) ◽  
pp. 6293-6298
Author(s):  
Cancan Jiao ◽  
Ziqi Guo ◽  
Binqiao Sun ◽  
Yuan-qiu-qiang Yi ◽  
Lingxian Meng ◽  
...  
Keyword(s):  
Solar Cells ◽  
Power Conversion Efficiency ◽  
Conversion Efficiency ◽  
Organic Solar Cells ◽  
High Performance ◽  
Power Conversion ◽  
Acceptor Molecule ◽  
Donor Acceptor

An acceptor molecule with an asymmetric backbone, CC10, has been designed, which achieved a power conversion efficiency of 11.78%.

scholarly journals Recent advances in high-performance organic solar cells enabled by acceptor–donor–acceptor–donor–acceptor (A–DA′D–A) type acceptors

2020 ◽  
Vol 4 (12) ◽  
pp. 3487-3504 ◽  
Author(s):  
Jiajun Zhao ◽  
Chao Yao ◽  
Muhammad Umair Ali ◽  
Jingsheng Miao ◽  
Hong Meng
Keyword(s):  
Molecular Structure ◽  
Solar Cells ◽  
Organic Solar Cells ◽  
High Performance ◽  
Photovoltaic Performance ◽  
Optoelectronic Properties ◽  
Recent Advances ◽  
Donor Acceptor

In this review, we focus on the recent advances in organic solar cells enabled by A–DA′D–A type acceptors and summarize the correlation between molecular structure, molecular packings, optoelectronic properties, and photovoltaic performance.

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