Low-Bandgap Alternating Fluorene Copolymer/Methanofullerene Heterojunctions in Efficient Near-Infrared Polymer Solar Cells

2006 ◽  
Vol 18 (16) ◽  
pp. 2169-2173 ◽  
Author(s):  
F. Zhang ◽  
W. Mammo ◽  
L. M. Andersson ◽  
S. Admassie ◽  
M. R. Andersson ◽  
...  
Keyword(s):  
Solar Cells ◽  
Near Infrared ◽  
Polymer Solar Cells ◽  
Low Bandgap

Highly efficient near-infrared and semitransparent polymer solar cells based on an ultra-narrow bandgap nonfullerene acceptor

2019 ◽  
Vol 7 (8) ◽  
pp. 3745-3751 ◽  
Author(s):  
Juan Chen ◽  
Guangda Li ◽  
Qinglian Zhu ◽  
Xia Guo ◽  
Qunping Fan ◽  
...  
Keyword(s):  
Solar Cells ◽  
Near Infrared ◽  
Polymer Solar Cells ◽  
Practical Applications ◽  
Low Bandgap ◽  
Highly Efficient ◽  
Narrow Bandgap ◽  
Nonfullerene Acceptor

Non-fullerene polymer solar cells based on a low bandgap polymer PTB7-Th and an ultra-narrow bandgap acceptor ACS8 exhibited an optimal PCE of 13.2%, indicating that the blend of PTB7-Th/ACS8 has potential for the practical applications of PSCs.

Insertion of double bond π-bridges of A–D–A acceptors for high performance near-infrared polymer solar cells

2017 ◽  
Vol 5 (43) ◽  
pp. 22588-22597 ◽  
Author(s):  
Xiaojun Li ◽  
Tinghai Yan ◽  
Haijun Bin ◽  
Guangchao Han ◽  
Lingwei Xue ◽  
...  
Keyword(s):  
Solar Cells ◽  
Double Bond ◽  
High Performance ◽  
Near Infrared ◽  
Polymer Solar Cells ◽  
Photovoltaic Performance ◽  
Broad Absorption ◽  
Low Bandgap ◽  
Donor And Acceptor

A low bandgap n-OS molecule SJ-IC was synthesized by inserting double bond π-bridges between the donor and acceptor units of IDT-IC, and SJ-IC as an acceptor shows broad absorption and improved photovoltaic performance when using a broad bandgap polymer J61 as a donor.

A near-infrared non-fullerene electron acceptor for high performance polymer solar cells

2017 ◽  
Vol 10 (7) ◽  
pp. 1610-1620 ◽  
Author(s):  
Yongxi Li ◽  
Lian Zhong ◽  
Bhoj Gautam ◽  
Hai-Jun Bin ◽  
Jiu-Dong Lin ◽  
...  
Keyword(s):  
Solar Cells ◽  
Electron Acceptor ◽  
Organic Photovoltaics ◽  
High Performance ◽  
Near Infrared ◽  
Polymer Solar Cells ◽  
Semiconductor Materials ◽  
Low Bandgap ◽  
High Performance Polymer ◽  
Interesting Family

Low-bandgap polymers/molecules are an interesting family of semiconductor materials, and have enabled many recent exciting breakthroughs in the field of organic electronics, especially for organic photovoltaics (OPVs).

Approaches to low-bandgap polymer solar cells: Using polymer charge-transfer complexes and fullerene metallocomplexes

2008 ◽  
Vol 80 (10) ◽  
pp. 2151-2161 ◽  
Author(s):  
Sergey A. Zapunidy ◽  
Dmitry S. Martyanov ◽  
Elena M. Nechvolodova ◽  
Marina V. Tsikalova ◽  
Yuri N. Novikov ◽  
...  
Keyword(s):  
Solar Cells ◽  
Charge Transfer ◽  
Near Infrared ◽  
Polymer Solar Cells ◽  
Cost Effective ◽  
Visible Spectral Range ◽  
Charge Transfer Complexes ◽  
High Electron ◽  
Low Bandgap ◽  
Bandgap Materials

Polymer solar cells have shown high potential to convert solar energy into electricity in a cost-effective way. One of the basic reasons limiting the polymer solar cell efficiency is insufficient absorption of the solar radiation by the active layer that limits the photocurrent. To increase the photocurrent, one needs low-bandgap materials with strong absorption below 2 eV. In this work, we study two types of low-bandgap materials: ground-state charge-transfer complexes (CTCs) of a conjugated polymer, MEH-PPV (poly[2-methoxy-5-(2'-ethyl-hexyloxy)-1,4-phenylenevinylene]), and an exohedral metallocomplex of fullerene, (η2-C60)IrH(CO)[(+)DIOP] (IrC60). We demonstrate that the CTC formed between MEH-PPV and conjugated molecules with high electron affinity, namely, 2,4,7-trinitrofluorenone (TNF) and 1,5-dinitroantraquinone (DNAQ), can have strong optical absorption extending down to the near infrared. We have observed that the photoexcited CTC can generate free charges. We also report on optical studies of IrC60 as a possible acceptor for polymer/fullerene solar cells. IrC60 strongly absorbs in the visible spectral range, in particular in the red part, and therefore has a potential for increasing the photocurrent as compared with polymer/methanofullerene solar cells. Our studies of MEH-PPV/IrC60 blended films show that long-lived charges are efficiently generated at MEH-PPV upon photoexcitation of the blend.

Constructing a Strongly Absorbing Low-Bandgap Polymer Acceptor for High-Performance All-Polymer Solar Cells

2017 ◽  
Vol 129 (43) ◽  
pp. 13688-13692 ◽  
Author(s):  
Zhi-Guo Zhang ◽  
Yankang Yang ◽  
Jia Yao ◽  
Lingwei Xue ◽  
Shanshan Chen ◽  
...  
Keyword(s):  
Solar Cells ◽  
High Performance ◽  
Polymer Solar Cells ◽  
Low Bandgap ◽  
Polymer Acceptor

Constructing a Strongly Absorbing Low-Bandgap Polymer Acceptor for High-Performance All-Polymer Solar Cells

2017 ◽  
Vol 56 (43) ◽  
pp. 13503-13507 ◽  
Author(s):  
Zhi-Guo Zhang ◽  
Yankang Yang ◽  
Jia Yao ◽  
Lingwei Xue ◽  
Shanshan Chen ◽  
...  
Keyword(s):  
Solar Cells ◽  
High Performance ◽  
Polymer Solar Cells ◽  
Low Bandgap ◽  
Polymer Acceptor
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