scholarly journals Molecular engineering of benzothienoisoindigo copolymers allowing highly preferential face-on orientations

2015 ◽  
Vol 3 (43) ◽  
pp. 21578-21585 ◽  
Author(s):  
Marina Ide ◽  
Akinori Saeki ◽  
Yoshiko Koizumi ◽  
Tomoyuki Koganezawa ◽  
Shu Seki
Keyword(s):  
Conjugated Polymers ◽  
Power Conversion Efficiency ◽  
Conversion Efficiency ◽  
Organic Photovoltaics ◽  
High Power ◽  
Power Conversion ◽  
Molecular Engineering ◽  
High Power Conversion Efficiency

Orientation of conjugated polymers is increasingly important in organic photovoltaics (OPV) to achieve high power conversion efficiency (PCE).

Translating local binding energy to a device effective one

2020 ◽  
Vol 4 (2) ◽  
pp. 760-771 ◽  
Author(s):  
Dan Liraz ◽  
Pei Cheng ◽  
Yang Yang ◽  
Nir Tessler
Keyword(s):  
Binding Energy ◽  
Power Conversion Efficiency ◽  
Conversion Efficiency ◽  
Organic Photovoltaics ◽  
High Power ◽  
Power Conversion ◽  
High Power Conversion Efficiency ◽  
Local Binding

While nonfullerene acceptors based organic photovoltaics reaching high power conversion efficiency, their binding energy is 150–500 meV. Here there is a model considering disorder and entropy that able to quantitatively explain this controversy.

scholarly journals π-Conjugated polymers and molecules enabling small photon energy loss simultaneously with high efficiency in organic photovoltaics

2020 ◽  
Vol 8 (39) ◽  
pp. 20213-20237
Author(s):  
Masahiko Saito ◽  
Hideo Ohkita ◽  
Itaru Osaka
Keyword(s):  
Energy Loss ◽  
Conjugated Polymers ◽  
Power Conversion Efficiency ◽  
Photon Energy ◽  
Organic Photovoltaics ◽  
High Power ◽  
Recent Progress ◽  
High Efficiency ◽  
Power Conversion ◽  
High Power Conversion Efficiency

In this review, we summarize recent progress in the development of π-conjugated polymers and molecules for organic photovoltaics that enable small photon energy loss and high power conversion efficiency at the same time.

Organic cathode interfacial materials for non-fullerene organic solar cells

2021 ◽  
Author(s):  
Minkyu Kyeong ◽  
Jinho Lee ◽  
Matyas Daboczi ◽  
Katherine Stewart ◽  
Huifeng Yao ◽  
...  
Keyword(s):  
Thermal Stability ◽  
Solar Cells ◽  
Power Conversion Efficiency ◽  
Conversion Efficiency ◽  
High Power ◽  
Organic Solar Cells ◽  
Power Conversion ◽  
High Power Conversion Efficiency ◽  
Amine Groups

Functionalized polyethyleneimines that are compatible with non-fullerene acceptors have been developed by protecting the reactive amine groups, leading to non-fullerene solar cells with high power conversion efficiency and enhanced thermal stability.

Engineering Polymer Solar Cells: Advancement in Active Layer Thickness and Morphology

2021 ◽  
Author(s):  
Ritesh Kant Gupta ◽  
Rabindranath Garai ◽  
Maimur Hossain ◽  
Mohammad Adil Afroz ◽  
Dibashmoni Kalita ◽  
...  
Keyword(s):  
Solar Cells ◽  
Power Conversion Efficiency ◽  
Layer Thickness ◽  
Active Layer ◽  
Conversion Efficiency ◽  
High Power ◽  
Polymer Solar Cells ◽  
Power Conversion ◽  
Active Layer Thickness ◽  
High Power Conversion Efficiency

Achieving high power conversion efficiency (PCE) polymer solar cells (PSCs) has been very challenging and the ultimate goal for their commercialization. Precise investigation of the active layer morphology and newer...

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